WO2024219874A1 - 배터리모듈 및 이를 포함하는 배터리팩 - Google Patents
배터리모듈 및 이를 포함하는 배터리팩 Download PDFInfo
- Publication number
- WO2024219874A1 WO2024219874A1 PCT/KR2024/005292 KR2024005292W WO2024219874A1 WO 2024219874 A1 WO2024219874 A1 WO 2024219874A1 KR 2024005292 W KR2024005292 W KR 2024005292W WO 2024219874 A1 WO2024219874 A1 WO 2024219874A1
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- Prior art keywords
- terminal
- cell
- battery
- case
- cell case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery module and a battery pack including the same, and more particularly, to a battery module for preventing chain fire and a battery pack for preventing chain fire.
- Figure 1 schematically illustrates a conventional battery module (10), and Figure 2 schematically illustrates a conventional battery pack (50).
- a conventional battery module (10) includes a cell case (20), at least one battery cell (30, 30A), and a cell cover (40). At least one battery cell (30) is accommodated in the cell case (20), and after a plurality of battery cells (30, 30A) are accommodated in the cell case (20), a cell cover (40) is coupled to the cell case (20).
- the above battery cell (30, 30A) includes a positive and negative electrode collector, a separator, an active material, an electrolyte, etc., and can be repeatedly charged and discharged through an electrochemical reaction.
- the battery module (10) includes a plurality of battery cells (30), and when one battery cell (30A) catches fire, flames may spread to the periphery of the ignited battery cell (30A), causing a chain reaction of fires between adjacent battery cells (30).
- a cover gap (G1) exists between the cell cover (40) and the end of the battery cell (30).
- a cell gap (G2) exists between adjacent battery cells (30) in the internal space of the battery module (10).
- the flame emitted from the ignited battery cell (30A) may be transmitted in the longitudinal direction (L) of the battery cell (30A) through the cover gap (G1) and in the lateral direction (F, array direction) of the battery cell (30A) through the cell gap (G2), thereby causing a chain reaction. Accordingly, in order to prevent a chain reaction of the battery cell (30), a technology for filling the cover gap (G1) and the cell gap (G2) is required.
- the battery pack (50) is assembled so that a plurality of battery modules (10) are electrically connected, and the pack case (51) is for protecting the plurality of battery modules (10).
- the plurality of battery modules (10) may have a structure in which they are stacked in the longitudinal direction (L) of the battery cells.
- the purpose of the present invention is to provide a battery module and a battery pack including the same capable of preventing chain ignition of battery cells by blocking flame transmission when an adjacent battery cell ignites through a protective member provided to cover a negative terminal of the battery cell.
- the present invention aims to provide a battery module and a battery pack including the same, which can prevent chain ignition of battery cells by blocking flame transmission when adjacent battery cells ignite, as the battery cells are partitioned by potting portions in the internal space of the battery module.
- the present invention aims to provide a battery module and a battery pack including the same capable of preventing leakage of potting resin when injecting the potting resin into the battery module.
- the present invention aims to provide a battery module and a battery pack including the same, which can block flame transmission between adjacent battery modules and reduce a gap between adjacent battery modules in a battery pack in which a plurality of battery modules are arranged along the longitudinal direction of battery cells.
- a battery module includes a plurality of battery cells including a first terminal having a vent portion and a second terminal disposed apart from the first terminal, an insertion port opened to allow the plurality of battery cells to be inserted, a bottom portion on which the plurality of battery cells are seated, and a cell case having a plurality of first terminal holes provided in the bottom portion, a first sealing member disposed between the second terminal of the battery cell and the first terminal hole in a state in which the battery cell is seated in the bottom portion of the cell case such that the second terminal of the battery cell is exposed through the first terminal hole, and a potting member provided in an internal space of the cell case to surround the plurality of battery cells.
- the first sealing member is bonded along the circumferential direction of the first terminal hole and is provided to expose at least a portion of the second terminal to the outside of the first terminal hole, and the first sealing member can seal a space between the internal space of the cell case and the first terminal hole.
- the first sealing member may have a ring shape with an inner diameter larger than the diameter of the first terminal hole.
- the first sealing member may include a double-sided tape.
- the battery module may include a cell cover having a plurality of first terminal holes and a plurality of second terminal holes arranged to face each other, and at least one resin injection hole that is arranged to be fluidly movable with the internal space of the cell case, and is mounted in the insertion port of the cell case.
- the potting portion can be formed by hardening potting resin injected into the internal space of the cell case through the resin injection hole.
- the cell cover may have an air hole that is fluidly connected to the internal space of the cell case.
- the air hole may be positioned apart from the resin injection hole, and the size of the air hole may be formed differently from the size of the resin injection hole. For example, the size of the air hole may be formed smaller than the size of the resin injection hole.
- the cell case may have a plurality of insertion protrusions protruding toward the inner space on the insertion port side, and the cell cover may have a plurality of insertion holes into which each of the insertion protrusions is inserted.
- the cell case may include at least one case pillar protruding from the bottom of the cell case toward the insertion port
- the cell cover may include at least one cover pillar extending toward the bottom of the cell case and connected to the case pillar.
- cover pillar and the case pillar may be arranged to be fitted together.
- the battery module may include a second sealing member disposed between the cover pillar and the case pillar.
- the plurality of battery cells may include at least one first battery cell arranged within the cell case such that the second terminal is exposed through the first terminal hole and the first terminal is exposed through the second terminal hole, and at least one second battery cell arranged within the cell case such that the first terminal is exposed through the first terminal hole and the second terminal is exposed through the second terminal hole.
- first and second battery cells may be arranged such that the first terminal and the second terminal are positioned in opposite directions along the length of the battery cells.
- the battery module may include a first bus bar electrically connected to a first terminal of a first battery cell through a second terminal hole and located outside the cell case, a second bus bar electrically connected to a second terminal of a second battery cell through the second terminal hole and located outside the cell case, a third bus bar electrically connected to the second terminal of the first battery cell through the first terminal hole and located outside the cell case, and a fourth bus bar electrically connected to the first terminal of the second battery cell through the first terminal hole and located outside the cell case.
- the first sealing member may be provided in plural pieces.
- the first battery cell may be arranged in the cell case such that the second terminal of the first battery cell is exposed through the first terminal hole
- the second battery cell may be arranged in the cell case such that the first terminal of the second battery cell is exposed through the first terminal hole.
- the first sealing member arranged between the second terminal of the first battery cell and the first terminal hole may be provided to be bonded along the circumferential direction of the first terminal hole and to expose at least a portion of the second terminal to the outside of the first terminal hole.
- the first sealing member arranged between the first terminal of the second battery cell and the first terminal hole may be provided to be bonded along the circumferential direction of the first terminal hole and to expose at least a portion of the first terminal to the outside of the first terminal hole.
- each first sealing member can seal a space between the internal space of the cell case and the first terminal hole.
- the battery module and the battery pack including the same have the following effects.
- the battery cells are partitioned by the potting portion in the internal space of the battery module, flame transmission can be blocked when an adjacent battery cell ignites, thereby preventing chain ignition of the battery cells.
- leakage of the potting resin can be prevented, and in particular, leakage of the potting resin toward the insertion port side of the cell case and the bottom side of the cell case can be prevented.
- Figure 1 schematically illustrates a conventional battery module.
- Figure 2 schematically illustrates a conventional battery pack.
- FIG. 3 is an exploded perspective view of a battery module according to one embodiment of the present invention.
- Figure 4 is a cross-sectional view of the cell case illustrated in Figure 3.
- Figure 5 is an exploded perspective view of the cell case, battery cell, and cell cover illustrated in Figure 3.
- Figure 6 is a perspective view of a battery module in which the components illustrated in Figure 5 are combined.
- Figure 7 is a perspective view of the battery module with the first to fourth bus bars separated.
- Figure 8 is a perspective view of a battery module with the second protective member attached.
- Figure 9 is a cross-sectional view taken along the X-X line of Figure 8.
- Figure 10 is an enlarged cross-sectional view of portion A of Figure 9.
- Figure 11 is a schematic diagram of a battery pack according to one embodiment of the present invention.
- FIG. 12 is a schematic cross-sectional view of a battery pack according to one embodiment of the present invention.
- Figure 13 is an enlarged schematic diagram of part B of Figure 12.
- FIG. 3 is an exploded perspective view of a battery module (100) according to one embodiment of the present invention
- FIG. 4 is a cross-sectional view of the cell case illustrated in FIG. 3
- FIG. 5 is an exploded perspective view of the cell case, battery cell, and cell cover illustrated in FIG. 3
- FIG. 6 is a perspective view of a battery module in which the components illustrated in FIG. 5 are combined.
- a battery module (100) related to one embodiment of the present invention includes a plurality of battery cells (120: 121, 122) including a first terminal (121a, 122a) having a vent portion and a second terminal (121b, 122b) positioned apart from the first terminal (121a, 122a).
- Each battery cell (120: 121, 122) has a first terminal (121a, 122a) and a second terminal (121b, 122b).
- the first terminal (121a, 122a) may be a positive terminal
- the second terminal (121b, 122b) may be a negative terminal having an opposite polarity to the first terminal (121a, 122a).
- each battery cell (120) may be provided such that the first terminal (121a, 122a) and the second terminal (121b, 122b) are positioned in opposite directions along the longitudinal direction (L) of the battery cell (120). That is, a first terminal (121a, 122a) may be provided at one end along the longitudinal direction (L) of the battery cell (120), and a second terminal (121b, 122b) may be provided at the other end along the longitudinal direction (L).
- a vent part is provided at the first terminal (121a, 122a) of the battery cell (120).
- the vent part may be formed along the edge of one end of the battery cell (120) at the first terminal (121a, 122a).
- the vent part may be formed at the center position of one end of the battery cell (120) where the first terminal (121a, 122a) is located.
- vent part is intended to relieve the internal pressure of the battery cell (120), and the vent part is formed with a relatively weak strength at one end of the battery cell (120) so as to be preferentially broken in the event of an internal fire in the battery cell (120).
- the vent part is intended to relieve the internal pressure of the battery cell (120) by breaking the vent part in the battery cell (120) when the internal pressure of the battery cell (120) rises above a preset threshold pressure (e.g., the rupture pressure of the vent part).
- a preset threshold pressure e.g., the rupture pressure of the vent part
- the battery cell (120) may be a cylindrical battery cell or a square battery cell.
- the battery module (100) includes a cell case (110) having an insertion port (111) open to insert a plurality of battery cells (120: 121, 122), a bottom portion (115) on which a plurality of battery cells (120) are mounted, and a plurality of first terminal holes (116) provided in the bottom portion (115).
- the cell case (110) has an internal space (110a) in which a plurality of battery cells (120: 121, 122) are accommodated.
- the cell case (110) may have a cylindrical shape that is open in one direction and has an internal space (110a).
- a plurality of battery cells (120) are mounted in the bottom portion (115), and a plurality of first terminal holes (116) are provided.
- the insertion port (111) may be provided to face the bottom portion (115).
- the insertion port (111) and the bottom portion (115) may be provided to face each other along the longitudinal direction of the battery cell (120).
- the above first terminal hole (116) may be formed in a number equal to the number of battery cells (120) accommodated in the internal space (110a).
- the first terminal hole (116) performs a function of exposing a part of the first terminal (121a, 122a) or the second terminal (121b, 122b) to the outside depending on the insertion direction of the battery cell (120) when one end of the battery cell (120) is secured to the bottom portion (115).
- the first terminal hole (116) may have a diameter smaller than the diameter of the battery cell (120) so as to prevent the battery cell (120) from being separated from the cell case (110).
- FIG. 7 is a perspective view of the battery module with the first to fourth bus bars separated
- FIG. 8 is a perspective view of the battery module with the second protective member combined
- FIG. 9 is a cross-sectional view taken along the line X-X of FIG. 8
- FIG. 10 is an enlarged cross-sectional view of part A of FIG. 9.
- the battery module (100) may include a first protective member (150) provided to surround the first terminal hole (116) in which the second terminal (121b) of the battery cell (e.g. 121) is exposed through the first terminal hole (116) while the battery cell (121) is seated on the bottom portion (115) of the cell case (110).
- a first protective member (150) provided to surround the first terminal hole (116) in which the second terminal (121b) of the battery cell (e.g. 121) is exposed through the first terminal hole (116) while the battery cell (121) is seated on the bottom portion (115) of the cell case (110).
- the first protective member (150) above performs a function of preventing an impact or flame applied from the outside of the cell case (110) from being transmitted to the second terminal (121b) of the battery cell (121) through the first terminal hole (116).
- the first protective member (150) may have a plate shape having a predetermined thickness and may have a diameter larger than the first terminal hole (116) so as to surround the entire area of the first terminal hole (116).
- the first protective member (150) may be positioned outside the cell case (110) and may be fixed to the cell case (110) from the outside of the cell case (110) by means of adhesion, etc.
- the battery module (100) may include a cell cover (130) mounted in the insertion hole (111) of the cell case (110) and having a plurality of first terminal holes (116) and a plurality of second terminal holes (132) arranged to face each other.
- a battery cell (120) When a battery cell (120) is placed in the internal space (110a) of the cell case, one end of the battery cell may be supported by the bottom portion (115), and the other end of the battery cell may be supported by the cell cover (130).
- the number of first terminal holes (116) and the number of second terminal holes (132) may be provided to be the same.
- the second terminal hole (132) When the above cell cover (130) is mounted on the cell case (110), the second terminal hole (132) performs a function of exposing a part of the first terminal (121a, 122a) or the second terminal (121b, 122b) located at the other end of the battery cell (120) to the outside while one end of the battery cell (120) is secured to the bottom (115). Accordingly, the second terminal hole (132) may have a diameter smaller than the diameter of the battery cell (120) to prevent the battery cell (120) from being detached from the cell case (110) or the cell cover (130).
- a plurality of battery cells (120) can be inserted such that the first terminal or the second terminal faces the bottom portion (115) of the cell case (110).
- a plurality of battery cells (120) may include one or more first battery cells (121) arranged within the cell case (110) such that the second terminal (121b) is exposed through the first terminal hole (116) and the first terminal (121a) is exposed through the second terminal hole (132).
- the plurality of battery cells (120) may include one or more second battery cells (122) arranged within the cell case (110) such that the first terminal (122a) is exposed through the first terminal hole (116) and the second terminal (122b) is exposed through the second terminal hole (132).
- the first battery cell (121) and the second battery cell (122) have the same configuration and differ only in the direction in which they are inserted into the cell case (110). Specifically, the first battery cell (121) is inserted such that the second terminal (121b) faces the bottom portion (115) of the cell case (110), and the second battery cell (122) is inserted such that the first terminal (122a) faces the bottom portion (115) of the cell case (110).
- the plurality of first terminal holes (116) expose the second terminal (121b) of the first battery cell (121) to the outside of the cell case (110), or expose the first terminal (122a) of the second battery cell (122) to the outside of the cell case (110).
- the plurality of second terminal holes (132) expose the first terminal (121a) of the first battery cell (121) to the outside of the cell case (110), or expose the second terminal (122b) of the second battery cell (122) to the outside of the cell case (110).
- the battery module (100) may include a second protective member (155) arranged to surround the second terminal hole (132) in which the second terminal (122b) is exposed, while the second battery cell (122) is positioned within the cell case (110) so that the second terminal (122b) of the second battery cell (122) is exposed through the second terminal hole (132) of the cell cover (130).
- a second protective member (155) arranged to surround the second terminal hole (132) in which the second terminal (122b) is exposed, while the second battery cell (122) is positioned within the cell case (110) so that the second terminal (122b) of the second battery cell (122) is exposed through the second terminal hole (132) of the cell cover (130).
- the second protective member (155) above performs a function of preventing an impact or flame applied from the outside of the cell cover (130) from being transmitted to the second terminal (122b) of the second battery cell (122) through the second terminal hole (132).
- the second protective member (155) may have a plate shape having a predetermined thickness and may have a diameter larger than the second terminal hole (132) so as to surround the entire area of the second terminal hole (132).
- the second protective member (150) may be positioned outside the cell cover (130) and may be fixed to the cell cover (130) from the outside of the cell cover (130) by means of adhesion, etc.
- the first protective member (150) performs a function of preventing an impact or flame applied from the outside of the cell case (110) from being transmitted to the second terminal (121b) of the first battery cell (121) through the first terminal hole (116), and the second protective member (155) performs a function of preventing an impact or flame applied from the outside of the cell cover (130) from being transmitted to the second terminal (122b) of the second battery cell (122) through the second terminal hole (132).
- the first and second protective members (150, 155) may each be formed of a material having heat resistance and insulation, and may include, for example, glass fiber or mica.
- the battery module (100) may include a plurality of bus bars (141 to 144) electrically connected to the first and second battery cells (121, 122), respectively.
- the battery module (100) may include a first bus bar (141) that is electrically connected to a first terminal (121a) of a first battery cell (121) through a second terminal hole (132) and located outside a cell case (110), and a third bus bar (143) that is electrically connected to a second terminal (121b) of the first battery cell (121) through the first terminal hole (116) and located outside a cell case (110).
- a first bus bar (141) that is electrically connected to a first terminal (121a) of a first battery cell (121) through a second terminal hole (132) and located outside a cell case (110)
- a third bus bar (143) that is electrically connected to a second terminal (121b) of the first battery cell (121) through the first terminal hole (116) and located outside a cell case (110).
- first bus bar (141) can be welded to the first terminal (121a) of the first battery cell (121) through the second terminal hole (132), and at least a portion (welding area) is positioned inside the cell cover (130), and the remaining area is positioned outside the cell cover (130).
- third bus bar (143) can be welded to the second terminal (121b) of the first battery cell (121) through the first terminal hole (116), and at least a portion (welding area) is positioned inside the cell case (110), and the remaining area is positioned outside the cell case (110).
- the battery module (100) may include a second bus bar (142) electrically connected to a second terminal (122b) of a second battery cell (122) through a second terminal hole (132) and located outside the cell case (110), and a fourth bus bar (144) electrically connected to a first terminal (122a) of a second battery cell (122) through the first terminal hole (116) and located outside the cell case (110).
- a second bus bar (142) electrically connected to a second terminal (122b) of a second battery cell (122) through a second terminal hole (132) and located outside the cell case (110)
- a fourth bus bar (144) electrically connected to a first terminal (122a) of a second battery cell (122) through the first terminal hole (116) and located outside the cell case (110).
- the second bus bar (142) can be welded to the second terminal (122b) of the second battery cell (122) through the second terminal hole (132), and at least a portion (welding area) is positioned inside the cell cover (130), and the remaining area is positioned outside the cell cover (130).
- the fourth bus bar (144) can be welded to the second terminal (122a) of the second battery cell (122) through the first terminal hole (116), and at least a portion (welding area) is positioned inside the cell case (110), and the remaining area is positioned outside the cell case (110).
- the first protective member (150) can be arranged to surround the third bus bar (143) and the first terminal hole (116), and can be fixed to the cell case (110) so as to cover the area where the second terminal (121b) of the first battery cell (121) exposed through the first terminal hole (116) is exposed, outside the bottom portion (115) of the cell case (110).
- the second protective member (155) may be arranged to surround the second bus bar (142) and the second terminal hole (132), and may be fixed to the cell cover (130) so as to cover an area where the second terminal (122b) of the second battery cell (122) is exposed through the second terminal hole (132) from the outside of the cell cover (130).
- the battery module (100) may include a potting portion (170) provided in the internal space (110a) of the cell case (110) to surround a plurality of battery cells (120: 121, 122).
- the potting part (170) can be formed by hardening potting resin (R) injected into the internal space (110a) of the cell case (110).
- the potting part (170) is provided in the internal space (110a) of the cell case (110) to surround the outer surface of each battery cell (121, 122), and the potting part (170) performs the function of blocking flame transmission in the lateral direction (F, array direction) of the battery cell (120) when an internal ignition of the battery cell (121, 122) in the cell case (110) occurs, and can improve the strength of the cell case (110).
- the potting resin (R) has flame retardancy, and for example, the potting resin (R) can be a flame retardant composite material based on silicone.
- the cell cover (130) may have at least one resin injection hole (135) that is provided to be fluidly movable with the internal space (110a) of the cell case (110).
- the potting portion (170) may be formed by hardening potting resin (R) injected into the internal space of the cell case (110) through the resin injection hole (135).
- a plurality of battery cells (121, 122) are accommodated inside the cell case (110), and after the cell cover (130) is mounted on the insertion port (111) side of the cell case (110), the welding process of the first to fourth bus bars (141 to 144) can be performed. Thereafter, potting resin (R) can be injected into the internal space of the cell case (110) through the resin injection hole (135).
- the cell case (110) may have a plurality of insertion protrusions (112) protruding toward the internal space (110a) on the insertion port (111) side, and the cell cover (130) may have a plurality of insertion holes (134) into which each of the insertion protrusions (112) is inserted.
- the cell cover (130) contacts at least a portion of the inner surface (110b) of the cell case along the circumferential direction, and may be inserted into the cell case (110) by the insertion protrusions (112) formed on the inner surface (110b) of the cell case.
- the above cell cover (130) may have a cover portion (131) provided with a plurality of second terminal holes (132) and one or more resin injection holes (135), and one or more fitting holes (134) provided, and one or more cover connecting portions (133) arranged along the circumferential direction of the cover portion (131).
- the fitting holes (134) may be openings that penetrate the cover connecting portion (133) in the lateral direction (F).
- cover part (131) is provided to cover the internal space (110a) of the cell case (110).
- the plurality of second terminal holes (132) and one or more resin injection holes (135) may be openings that penetrate the cover part (131) upwardly and downwardly.
- cover coupling portion (133) may extend along the longitudinal direction of the battery cell (120) from the edge of the cover portion (131), and for example, the cover coupling portion (133) may extend perpendicularly to the cover portion (131) and be formed in a shape corresponding to the inner surface of the cell case (110), so as to be in contact with the inner surface (110b) of the cell case (110) at least in a portion along the circumferential direction.
- the resin injection hole (135) can be provided at the boundary between the cover joint (133) and the cover portion (131), and the resin injection hole (135) can be arranged on the same plane as the second terminal hole (132), and is arranged spaced apart from the second terminal hole (132).
- the fitting hole (134) of the cell cover (130) can be hook-fitted to the fitting projection (112) of the cell case (110) in a hook manner, thereby improving the bonding strength of the cell cover (130) to the cell case (110).
- the potting resin (R) is injected into the internal space of the cell case (110), it is possible to prevent the potting resin (R) from leaking out of the cell case (110).
- the battery module (100) may include a first sealing member (161) that is arranged between the second terminal (121b) of the battery cell (e.g., the first battery cell (121)) and the first terminal hole (116) while the battery cell (121) is seated on the bottom portion (115) of the cell case (110) so that the second terminal (121b) of the battery cell (e.g., the first battery cell (121)) is exposed through the first terminal hole (116).
- the first sealing member (161) may be adhered to the cell case (110).
- the first sealing member (161) may be bonded along the circumferential direction of the first terminal hole (116) and may be provided to expose at least a portion of the second terminal (122b) to the outside of the first terminal hole (116).
- the above first sealing member (161) can perform a function of sealing between the internal space (110a) of the cell case (110) and the first terminal hole (116). That is, when the potting resin (R) is injected, the potting resin (R) can be prevented from leaking out of the cell case (110) through the first terminal hole (116).
- the first sealing member (161) may have a ring shape with an inner diameter larger than the diameter of the first terminal hole (116).
- the first sealing member (161) may include a double-sided tape having a ring shape. That is, the first sealing member (161) may have one side of the tape adhered along the circumferential direction of the first terminal hole (116), and the other side adhered to an end of a battery cell (120) arranged on the side of the first terminal hole (116).
- the above first sealing member (161) may be provided in multiple pieces. That is, the above first sealing member (161) may be attached to each first terminal hole (116).
- the first battery cell (121) may be placed within the cell case (110) such that the second terminal (121b) of the first battery cell (121) is exposed through the first terminal hole (116), and the second battery cell (122) may be placed within the cell case (110) such that the first terminal (122a) of the second battery cell (122) is exposed through the first terminal hole (116).
- the first sealing member (161) arranged between the second terminal (121b) of the first battery cell (121) and the first terminal hole (116) may be bonded along the circumferential direction of the first terminal hole (116) and may be arranged to expose at least a portion of the second terminal (121b) to the outside of the first terminal hole (116).
- the first sealing member (161) positioned between the first terminal (122a) of the second battery cell (122) and the first terminal hole (116) may be bonded along the circumferential direction of the first terminal hole (116) and may be provided to expose at least a portion of the first terminal (122a) to the outside of the first terminal hole (116).
- Each first sealing member (116) performs the function of sealing between the internal space (110a) of the cell case (110) and the first terminal hole (116).
- the cell case (110) may include at least one case pillar (117) protruding from the bottom (115) of the cell case (110) toward the insertion hole (111), and the cell cover (130) may include at least one cover pillar (137) extending toward the bottom (115) of the cell case (110) and connected to the case pillar (117).
- the above case pillars (117) can be arranged between adjacent first terminal holes (116), and the case pillars (117) can be provided to protrude in the length direction (L) of the battery cell (120) from the bottom (115) of the cell case (110).
- each case pillar (117) can be inserted into the cover pillar (137) of the cell cover (130).
- the cover pillar (137) may be formed to extend along the longitudinal direction (L) of the battery cell between adjacent second terminal holes (132).
- the cover pillar (137) may be mounted on a case pillar (117) of a cell case (110), and for example, the case pillar (117) may be inserted into an end of the cover pillar (137) and fitted into the cover pillar (137).
- the case pillar (117) may have a first hollow (117a), and the cover pillar (137) may have a second hollow (137a). At this time, the case pillar (117) may be fitted into the cover pillar (137), and the first hollow (117a) and the second hollow (137a) may be connected.
- a mounting bolt (700, see FIG. 11) from the outside of the battery module (100) may pass through the first hollow (117a) and the second hollow (137a) to penetrate the battery module (100).
- the battery module (100) may include a second sealing member (162) arranged between the cover pillar (137) and the case pillar (117).
- the second sealing member (162) may be a double-sided tape having a ring shape. At this time, the second sealing member (162) may be provided to be adhered to the ends of the cover pillar (137) and the ends of the case pillar (117), respectively. In addition, the second sealing member (162) may include an O-ring.
- the cell cover (130) may have an air hole (136) that is fluidly connected to the inner space (110a) of the cell case (110).
- the cell cover (130) may be bent so that a portion of the cover joining portion (133), which is in contact with the inner surface of the cell case (110), is spaced apart from the inner surface of the cell case (110), and an air hole (136) may be formed through the spaced apart space.
- a plurality of first sealing members (161) may be bonded to the ends of the first and second battery cells (121, 122) or the most ends of the first terminal holes (116). Thereafter, the first and second battery cells (121, 122) are inserted into the internal space (110a) of the cell case (110) such that the portions to which the first sealing members (161) are bonded are secured to the bottom portion (115) of the cell case (110).
- the cell cover (130) is mounted on the insertion port (111) side of the cell case (110) so as to surround a plurality of first and second battery cells (121, 122). At this time, the fitting hole (134) of the cell cover (130) can be fitted into the fitting projection (112) of the cell case (110).
- first to fourth bus bars (141 to 144) are each welded together.
- the potting resin (R) is injected into the internal space (110a) of the cell case (110) through the resin injection hole (135) of the cell cover (130). As the potting resin (R) is injected into the internal space, the air in the internal space can be discharged to the outside through the air hole (136). As the potting resin (R) is hardened in the internal space of the cell case (110), it forms a potting portion (170) surrounding the outer surface of the battery cell (121, 122).
- first protective member (150) is joined to the cell case (110) so as to surround the area where the second terminal (121b) of the first battery cell (121) is exposed to the first terminal hole (116) of the cell case (110) on the outside of the bottom portion (115) of the cell case (110).
- the second protective member (155) is joined to the cell cover (130) on the outside of the cell cover (130) so as to surround the area where the second terminal (122b) of the second battery cell (122) is exposed through the second terminal hole (132) of the cell cover (130).
- the first protective member (150) can be fixed to the cell case (110) to cover the third bus bar (143), and also, on the outside of the cell cover (130), the second protective member (150) can be fixed to the cell cover (130) to cover the second bus bar (142).
- FIG. 11 is a schematic diagram of a battery pack (1000) according to one embodiment of the present invention
- FIG. 12 is a schematic cross-sectional diagram of a battery pack according to one embodiment of the present invention
- FIG. 13 is an enlarged schematic diagram of part B of FIG. 12.
- a battery pack (1000) may include a plurality of battery modules (100, 200), a pack case (1010) accommodating the plurality of battery modules (100, 200), a mounting bolt (700) for connecting adjacent battery modules (100, 200), and a fastening member (800) fastened to the mounting bolt (700).
- the mounting bolt (700) can penetrate the case pillar (117) and the cover pillar (137), and connect the cell cover (130) and the cell case (110) so that one end is caught on the bottom part (115) of the cell case (110) and the other end protrudes outside the cell cover (130).
- the fastening member (800) can be coupled to the other end of the mounting bolt (700) and fixed to the cell cover (130).
- a nut coupled to the mounting bolt (700) can be used as the fastening member (800).
- the mounting bolt (700) can sequentially penetrate and connect two or more battery modules (100, 200).
- first and second battery modules (100, 200) may be arranged in a row along the longitudinal direction (L) of the battery cells (121, 221), respectively.
- adjacent first and second battery modules (100, 200) may be assembled through a mounting bolt (700) and a fastening member (800) fastened to the mounting bolt (700).
- the plurality of battery modules (100, 200) are identical to the battery modules (100) described with reference to FIGS. 1 to 10, and are referred to as first and second battery modules (100, 200) in this document according to the order in which they are arranged in the battery pack (1000).
- the first battery module and the second battery module (100, 200) include a cell case (110, 210), a first battery cell (121, 221) disposed within the cell case (110, 210) and having a first terminal (121a, 221a) and a second terminal (121b, 221b) having a vent portion, and a second battery cell (122, 222) disposed within the cell case (110, 210) and having a first terminal (122a, 222a) and a second terminal (122b, 222b) having a vent portion.
- a potting portion (170, 270) may be provided within each battery module (100, 200).
- first and second battery modules may each be provided with first to fourth bus bars (141 to 144, 241 to 244).
- the first battery cell (221) of the second battery module (200) may be arranged such that the first terminal (221a) faces the second terminal (121b) of the first battery cell (121) of the first battery module (100), and the second battery cell (122) of the first battery module (100) may be arranged such that the first terminal (122a) faces the second terminal (222b) of the second battery cell (222) of the second battery module (200).
- the first and second battery modules (100, 200) are each provided with a first protective member (150, 250) and a second protective member (155, 255).
- the first and second protective members are intended to block flame transmission in the longitudinal direction (L) of a battery cell in the event of internal ignition of a battery cell within a battery module (100, 200).
- the first protective member (150) may be provided to surround the second terminal (121b) of the first battery cell (121), and in the second battery module (200), the first protective member (250) may be provided to surround the second terminal (221b) of the first battery cell (221).
- the second protective member (155) may be provided to surround the second terminal (122b) of the second battery cell (122), and in the second battery module (200), the second protective member (255) may be provided to surround the second terminal (222b) of the second battery cell (222).
- the vent section is broken and flames are emitted through the broken first terminal (221a), the first protective member (150) of the first battery module (100) can block flame transmission by reflecting the emitted flames.
- the first protective member (150) provided in the first battery module (100) may be arranged with a predetermined gap (G) with respect to the first terminal (221a) of the first battery cell (221) provided in the second battery module (200), and the gap may be set to 5 mm or less, preferably, 3 mm or less.
- the gap (G) may be the gap between the first battery module (100) and the second battery module (200) within the battery pack (100).
- chain ignition of battery cells can be prevented by blocking flame transmission when an adjacent battery cell ignites through a protective member provided to cover a negative terminal of a battery cell arranged in the battery module.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (15)
- 벤트부를 갖는 제1 단자 및 상기 제1 단자와 떨어져 배치된 제2 단자를 포함하는 복수 개의 배터리셀;복수 개의 배터리셀이 삽입되도록 개방된 삽입구, 복수 개의 배터리셀이 안착되는 바닥부, 및 상기 바닥부에 마련된 복수 개의 제1 단자홀을 가지는 셀 케이스;배터리셀의 제2 단자가 제1 단자홀로 노출되도록 상기 배터리셀이 셀 케이스의 바닥부에 안착된 상태에서, 상기 배터리셀의 제2 단자 및 제1 단자홀 사이에 배치되는 제1 실링 부재; 및복수 개의 배터리셀을 둘러싸도록 상기 셀 케이스의 내부 공간에 마련된 포팅부를 포함하는 배터리모듈.
- 제 1 항에 있어서,상기 제1 실링 부재는 제1 단자홀의 둘레방향을 따라 접착되고, 제2 단자의 적어도 일부 영역을 제1 단자홀 외부로 노출시키도록 마련되고,상기 제1 실링 부재는 상기 셀 케이스의 내부 공간과 상기 제1 단자홀 사이를 밀폐시키는 배터리모듈.
- 제 2 항에 있어서,상기 제1 실링 부재는 상기 제1 단자홀의 직경보다 큰 내경을 가진 링 형상을 갖는 배터리모듈.
- 제 2 항에 있어서,상기 제1 실링 부재는 양면 테이프를 포함하는 배터리 모듈.
- 제 1 항에 있어서,복수 개의 제1 단자홀과 각각 마주하도록 배열된 복수 개의 제2 단자홀 및 상기 셀 케이스의 내부 공간과 유체 이동가능하게 마련된 적어도 하나의 레진 주입홀을 가지며, 상기 셀 케이스의 삽입구에 장착되는 셀 커버를 추가로 포함하는 배터리모듈.
- 제 5 항에 있어서,포팅부는 레진 주입홀을 통해 상기 셀 케이스의 내부 공간으로 주입된 포팅 레진이 경화되어 형성된, 배터리모듈.
- 제 5 항에 있어서,상기 셀 커버는 상기 셀 케이스의 내부 공간과 유체 이동 가능하게 연결된 에어홀을 가지는 배터리모듈.
- 제 5 항에 있어서,상기 셀 케이스는 삽입구 측에 내부 공간을 향하여 돌출된 복수 개의 끼움 돌기를 갖고,상기 셀 커버는 각각의 끼움 돌기가 끼움 결합되는 복수 개의 끼움홀을 갖는 배터리모듈.
- 제 5 항에 있어서,상기 셀 케이스는 상기 셀 케이스의 바닥부에서 상기 삽입구를 향하여 돌출된 적어도 하나의 케이스 기둥을 포함하고,상기 셀 커버는 상기 셀 케이스의 바닥부를 향하여 연장되며, 상기 케이스 기둥에 연결되는 적어도 하나의 커버 기둥을 포함하는 배터리 모듈.
- 제 9 항에 있어서,상기 커버 기둥과 상기 케이스 기둥은 끼움 결합되도록 마련되고,상기 커버 기둥 및 상기 케이스 기둥 사이에 배치되는 제2 실링 부재를 추가로 포함하는 배터리모듈.
- 제 5 항에 있어서, 복수 개의 배터리셀은,제2 단자가 제1 단자홀로 노출되고, 제1 단자가 제2 단자홀로 노출되도록 상기 셀 케이스 내에 배치되는 하나 이상의 제1 배터리셀; 및제1 단자가 제1 단자홀로 노출되고, 제2 단자가 제2 단자홀로 노출되도록 셀 케이스 내에 배치되는 하나 이상의 제2 배터리셀을 포함하는 배터리모듈.
- 제 11 항에 있어서,제1 및 제2 배터리셀은 각각 제1 단자 및 제2 단자가 배터리셀의 길이방향을 따라 서로 반대방향에 위치하는 배터리모듈.
- 제 11 항에 있어서,제2 단자홀을 통해 제1 배터리셀의 제1 단자와 전기적으로 연결되며, 셀 케이스 외부에 위치하는 제1 버스바;제2 단자홀을 통해 제2 배터리셀의 제2 단자와 전기적으로 연결되며, 셀 케이스 외부에 위치하는 제2 버스바;상기 제1 단자홀을 통해 제1 배터리셀의 제2 단자와 전기적으로 연결되며, 셀 케이스 외부에 위치하는 제3 버스바; 및상기 제1 단자홀을 통해 제2 배터리셀의 제1 단자와 전기적으로 연결되며, 셀 케이스 외부에 위치하는 제4 버스바를 포함하는 배터리 모듈.
- 제 11 항에 있어서,제1 실링부재는 복수 개로 구비되며,제1 배터리셀의 제2 단자가 제1 단자홀로 노출되도록 상기 제1 배터리셀이 상기 셀 케이스 내에 배치되고,제2 배터리셀의 제1 단자가 제1 단자홀로 노출되도록 상기 제2 배터리셀이 상기 셀 케이스 내에 배치되며,제1 배터리셀의 제2 단자 및 제1 단자홀 사이에 배치된 제1 실링부재는 제1 단자홀의 둘레방향을 따라 접착되고, 상기 제2 단자의 적어도 일부 영역을 제1 단자홀 외부로 노출시키도록 마련되고,제2 배터리셀의 제1 단자 및 제1 단자홀 사이에 배치된 제1 실링부재는 제1 단자홀의 둘레방향을 따라 접착되고, 상기 제1 단자의 적어도 일부 영역을 제1 단자홀 외부로 노출시키도록 마련된 배터리 모듈.
- 제 14 항에 있어서,각각의 제1 실링 부재는 상기 셀 케이스의 내부 공간과 상기 제1 단자홀 사이를 밀폐시키는 배터리 모듈.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480003644.8A CN119678297A (zh) | 2023-04-20 | 2024-04-19 | 电池模块及包括该电池模块的电池组 |
| JP2025501781A JP2025522222A (ja) | 2023-04-20 | 2024-04-19 | バッテリーモジュールおよびバッテリーモジュールを含むバッテリーパック |
| EP24793059.7A EP4550532A4 (en) | 2023-04-20 | 2024-04-19 | Battery module and battery pack including same |
| US18/998,826 US20260038953A1 (en) | 2023-04-20 | 2024-04-19 | Battery Module and Battery Pack Comprising the Same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2023-0052133 | 2023-04-20 | ||
| KR20230052133 | 2023-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024219874A1 true WO2024219874A1 (ko) | 2024-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2024/005292 Ceased WO2024219874A1 (ko) | 2023-04-20 | 2024-04-19 | 배터리모듈 및 이를 포함하는 배터리팩 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20260038953A1 (ko) |
| EP (1) | EP4550532A4 (ko) |
| JP (1) | JP2025522222A (ko) |
| KR (1) | KR20240155809A (ko) |
| CN (1) | CN119678297A (ko) |
| WO (1) | WO2024219874A1 (ko) |
Citations (6)
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| CN206546866U (zh) * | 2016-11-15 | 2017-10-10 | 惠州市蓝微新源技术有限公司 | 一种液冷电池模组 |
| KR20220089427A (ko) * | 2020-12-21 | 2022-06-28 | 주식회사 이랜텍 | 결합 및 접속 구조가 개선된 배터리 모듈 |
| KR20220115532A (ko) * | 2021-02-09 | 2022-08-17 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차 |
| JP7160808B2 (ja) * | 2017-07-26 | 2022-10-25 | 三洋電機株式会社 | 電池モジュール |
| CN218039623U (zh) * | 2022-08-09 | 2022-12-13 | 湖北亿纬动力有限公司 | 电池外壳及电池包 |
| KR20230005213A (ko) | 2020-04-30 | 2023-01-09 | 캐피탈 원 서비시즈, 엘엘씨 | 단거리 송수신기를 사용한 개인 사용자 데이터의 데이터 액세스 제어 시스템 및 방법 |
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| JP6079589B2 (ja) * | 2013-11-28 | 2017-02-15 | 豊田合成株式会社 | 電池パックおよびその製造方法 |
| JP6260830B2 (ja) * | 2014-10-28 | 2018-01-17 | 豊田合成株式会社 | 電池の接着固定構造 |
| JP6394448B2 (ja) * | 2015-03-16 | 2018-09-26 | 豊田合成株式会社 | 電池モジュールおよびその製造方法 |
| JP2018106796A (ja) * | 2015-05-07 | 2018-07-05 | 三洋電機株式会社 | 電池パック及び電池パックの製造方法 |
| WO2017175487A1 (ja) * | 2016-04-05 | 2017-10-12 | ソニー株式会社 | 電池パック、及びこれを有する電子機器 |
| DE102016206463A1 (de) * | 2016-04-18 | 2017-10-19 | Bayerische Motoren Werke Aktiengesellschaft | Halterung für batteriezellen, batteriemodul, speicherbatterie und fahrzeug |
| CN114824608B (zh) * | 2016-11-30 | 2024-10-25 | 松下知识产权经营株式会社 | 电池模块 |
| JP7627848B2 (ja) * | 2020-02-28 | 2025-02-07 | パナソニックIpマネジメント株式会社 | 蓄電モジュール |
| WO2022118732A1 (ja) * | 2020-12-03 | 2022-06-09 | 株式会社村田製作所 | 電池パック、電動工具および電動車両 |
| EP4167362A1 (en) * | 2021-10-13 | 2023-04-19 | Rimac Automobiles Ltd. | Potting feature |
-
2024
- 2024-04-19 KR KR1020240052738A patent/KR20240155809A/ko active Pending
- 2024-04-19 CN CN202480003644.8A patent/CN119678297A/zh active Pending
- 2024-04-19 JP JP2025501781A patent/JP2025522222A/ja active Pending
- 2024-04-19 US US18/998,826 patent/US20260038953A1/en active Pending
- 2024-04-19 EP EP24793059.7A patent/EP4550532A4/en active Pending
- 2024-04-19 WO PCT/KR2024/005292 patent/WO2024219874A1/ko not_active Ceased
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| CN206546866U (zh) * | 2016-11-15 | 2017-10-10 | 惠州市蓝微新源技术有限公司 | 一种液冷电池模组 |
| JP7160808B2 (ja) * | 2017-07-26 | 2022-10-25 | 三洋電機株式会社 | 電池モジュール |
| KR20230005213A (ko) | 2020-04-30 | 2023-01-09 | 캐피탈 원 서비시즈, 엘엘씨 | 단거리 송수신기를 사용한 개인 사용자 데이터의 데이터 액세스 제어 시스템 및 방법 |
| KR20220089427A (ko) * | 2020-12-21 | 2022-06-28 | 주식회사 이랜텍 | 결합 및 접속 구조가 개선된 배터리 모듈 |
| KR20220115532A (ko) * | 2021-02-09 | 2022-08-17 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차 |
| CN218039623U (zh) * | 2022-08-09 | 2022-12-13 | 湖北亿纬动力有限公司 | 电池外壳及电池包 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN119678297A (zh) | 2025-03-21 |
| KR20240155809A (ko) | 2024-10-29 |
| US20260038953A1 (en) | 2026-02-05 |
| EP4550532A4 (en) | 2026-03-04 |
| EP4550532A1 (en) | 2025-05-07 |
| JP2025522222A (ja) | 2025-07-11 |
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