WO2022149967A1 - 배터리 팩 및 이를 포함하는 자동차 - Google Patents
배터리 팩 및 이를 포함하는 자동차 Download PDFInfo
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- WO2022149967A1 WO2022149967A1 PCT/KR2022/000504 KR2022000504W WO2022149967A1 WO 2022149967 A1 WO2022149967 A1 WO 2022149967A1 KR 2022000504 W KR2022000504 W KR 2022000504W WO 2022149967 A1 WO2022149967 A1 WO 2022149967A1
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- Prior art keywords
- battery cells
- battery pack
- battery
- base plate
- longitudinal direction
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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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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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
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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
-
- 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
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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 pack and an automobile including the same.
- Secondary batteries that are easy to apply according to product groups and have electrical characteristics such as high energy density are not only portable devices, but also electric vehicles (EVs) or hybrid vehicles (HEVs) driven by an electric drive source. It is universally applied. These secondary batteries are attracting attention as a new energy source for improving eco-friendliness and energy efficiency in that not only the primary advantage of being able to dramatically reduce the use of fossil fuels, but also the fact that no by-products are generated from the use of energy.
- EVs electric vehicles
- HEVs hybrid vehicles
- the types of secondary batteries currently widely used include a lithium ion battery, a lithium polymer battery, a nickel cadmium battery, a nickel hydrogen battery, a nickel zinc battery, and the like.
- the unit secondary battery cell that is, the operating voltage of the unit battery cell is about 2.5V ⁇ 4.5V. Accordingly, when a higher output voltage is required, a plurality of battery cells are connected in series to form a battery pack. In addition, a plurality of battery cells may be connected in parallel to form a battery pack according to the charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage or charge/discharge capacity.
- a battery module including at least one battery cell is first configured, and other components are added using the at least one battery module. It is common to configure battery packs or battery racks.
- a conventional battery pack is generally configured to include a plurality of battery cells and a cell frame accommodating the plurality of battery cells.
- a conventional cell frame generally accommodates the plurality of battery cells and consists of an assembly of a plurality of plates such as a front plate, a rear plate, a side plate, a lower plate, and an upper plate to secure rigidity.
- the size of the entire battery pack increases according to the cell frame structure configured by the assembly of the plurality of plates, which is disadvantageous in terms of energy density.
- an object of the present invention is to provide a battery pack capable of securing rigidity while increasing energy density and a vehicle including the same.
- Another object of the present invention is to provide a battery pack capable of improving cost competitiveness and manufacturing efficiency, and a vehicle including the same.
- the present invention provides a battery pack mounted on a vehicle, comprising: a plurality of battery cells; a base plate supporting the plurality of battery cells; and a cross beam unit disposed at a predetermined length along the width direction of the base plate, disposed between the plurality of battery cells in the longitudinal direction of the base plate, and attaching and fixing battery cells facing each other in the longitudinal direction; It provides a battery pack comprising a.
- Anode and cathode structures for electrical connection of the plurality of battery cells are provided on one surface of the plurality of battery cells, and the other surface opposite to one surface of the plurality of battery cells may be attached to the cross beam unit.
- One surface of the plurality of battery cells may be disposed to be spaced apart from one surface of the battery cells facing each other by a predetermined distance in the longitudinal direction.
- a cooling water passage for cooling the plurality of battery cells may be provided in the cross beam unit.
- the battery pack may include a cover plate that covers upper sides of the plurality of battery cells and is disposed to face the base plate with the plurality of battery cells interposed therebetween.
- the cross beam unit may be disposed between the base plate and the cover plate, and may be disposed in contact with the base plate and the cover plate, respectively.
- the cross beam unit may include a plurality of beam members, and the plurality of beam members may be spaced apart from each other by a predetermined distance along a length direction of the base plate.
- the plurality of beam members may include: a beam body having the coolant passage formed therein and having a predetermined length along a width direction of the base plate; a first flange provided at the lower end of the beam body and arranged in contact with the base plate; and a second flange provided at an upper end of the beam body opposite to the first flange and disposed in contact with the cover plate.
- the first flange and the second flange may have a greater thickness than the beam body in the longitudinal direction.
- the first flange may cover at least a portion of an upper side of the plurality of battery cells in the longitudinal direction
- the second flange may cover at least a portion of a lower side of the plurality of battery cells in the longitudinal direction have.
- the plurality of battery cells may be directly attached to both surfaces of the beam body in the longitudinal direction, respectively.
- the plurality of battery cells may be symmetrically disposed with each beam body interposed therebetween in the longitudinal direction.
- the present invention provides a vehicle comprising, as a vehicle, at least one battery pack according to the above-described embodiments.
- FIG. 1 is a view for explaining a battery pack according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the battery pack of FIG. 1 ;
- FIG. 3 is a view for explaining a beam member of a cross beam unit of the battery pack of FIG. 2 .
- FIG. 5 is a view for explaining a battery cell fixed to the beam member of FIG. 3 .
- FIG. 6 is a cross-sectional view of the battery pack of FIG. 1 ;
- FIG. 7 is a view for explaining a battery pack according to another embodiment of the present invention.
- FIG. 8 is a view for explaining a vehicle according to an embodiment of the present invention.
- FIG. 1 is a view for explaining a battery pack according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of the battery pack of FIG. 1
- FIG. 3 is a beam member of the cross beam unit of the battery pack of FIG. 2 3 is a cross-sectional view of the beam member of FIG. 4
- FIG. 5 is a view for explaining a battery cell fixed to the beam member of FIG. 3
- FIG. 6 is a cross-sectional view of the battery pack of FIG. 1 .
- the battery pack 10 is mounted on a vehicle and may include a battery cell 100 , a base plate 200 , and a cross beam unit 300 .
- the battery pack 10 may further include a cover plate 400 .
- At least one battery cell 100 may be provided in plurality.
- the battery cell 100 will be described by limiting it to being provided in plurality.
- the plurality of battery cells 100 may be a pouch-type secondary battery, a prismatic secondary battery, or a cylindrical secondary battery as a secondary battery.
- the plurality of battery cells 100 will be described as being provided as cylindrical secondary batteries.
- An electrical connection structure in which positive and negative electrode structures for electrical connection of the plurality of battery cells 100 are provided may be formed on one surface of the plurality of battery cells 100 .
- One surface of the plurality of battery cells 100 is, in the longitudinal direction of the base plate 200, which will be described later, the battery cells 100 facing each other for connection to a bus bar plate for electrical connection of the positive and negative electrode structures. ) may be disposed to be spaced apart from one surface by a predetermined distance.
- Such positive and negative electrode structures may not be formed.
- the other surface of the plurality of battery cells 100 may be attached to a cross beam unit 300 to be described later.
- the base plate 200 is for supporting the plurality of battery cells 100 , and may have a shape and size capable of seating the plurality of battery cells 100 .
- the base plate 200 may be mounted on the vehicle.
- the longitudinal direction of the base plate 200 may be parallel to the longitudinal direction of the vehicle, and the width direction of the base plate 200 may be parallel to the left and right side width directions of the vehicle.
- the cross beam unit 300 is disposed to have a predetermined length along the width direction of the base plate 200 , and is disposed between the plurality of battery cells 100 in the length direction of the base plate 200 , The battery cells 100 facing each other in the longitudinal direction may be attached and fixed.
- the cross beam unit 300 may have a coolant flow path 315 therein.
- the cross beam unit 300 may be made of a metal material having a predetermined strength in terms of securing rigidity. In the present embodiment, since the attachment of the cross beam unit 300 and the plurality of battery cells 100 is performed on the other surface of the plurality of battery cells 100 on which electrodes of the battery cells 100 are not formed, It is possible to prevent a problem such as an electric short due to the attachment from occurring.
- the cross beam unit 300 is disposed between the base plate 200 and a cover plate 400 to be described later, and may be disposed in contact with the base plate 200 and a cover plate 400 to be described later, respectively.
- the cross beam unit 300 reinforces the rigidity of the battery pack 300 and generates external shocks in the width direction of the base plate 200 , that is, in the width direction of the battery pack 300 . It is possible to prevent or buffer the shock from being transmitted to the plurality of battery cells 100 .
- the cross beam unit 300 may be disposed to protrude more outward than the plurality of battery cells 100 in the width direction of the base plate 200 .
- the cross beam unit 300 receives the external shock before the plurality of battery cells 100 and buffers or absorbs the external shock, etc. It is possible to minimize the transmission of shocks to the battery cells 100 .
- the cross beam unit 300 may receive an impact preferentially than the plurality of battery cells 100 when an external impact occurs in any one side in the width direction, and the impact is applied to the width By transmitting to the other side of the direction, it is possible to effectively prevent the shock transmission to the plurality of battery cells 100 side.
- cross beam unit 300 according to this embodiment will be described in more detail.
- the cross beam unit 300 may include a plurality of beam members 300 .
- the plurality of beam members 300 may be disposed to be spaced apart from each other by a predetermined distance along the longitudinal direction of the base plate 200 .
- the plurality of beam members 300 may be disposed more outward than the plurality of battery cells 100 in the width direction of the base plate 200 .
- the plurality of beam members 300 may include a beam body 310 , a first flange 330 , and a second flange 350 , respectively.
- the beam body 310 may have the coolant passage 315 formed therein, and may have a predetermined length along the width direction of the base plate 200 .
- the beam body 310 may receive and absorb an external shock preferentially than the plurality of battery cells 100 when an external shock occurs.
- the plurality of battery cells 100 may be attached to both surfaces of the beam body 310 in the longitudinal direction, respectively. Accordingly, the plurality of battery cells 100 may be symmetrically disposed with each beam body 310 interposed therebetween in the longitudinal direction.
- the plurality of battery cells 100 may be directly attached to both surfaces of the beam body 310 in the longitudinal direction, respectively.
- the other surfaces of the plurality of battery cells 100 may be directly attached to both surfaces of the beam body 310 in the longitudinal direction, respectively.
- the attachment of the plurality of battery cells 100 may be performed using an adhesive or double-sided tape.
- the present invention is not limited thereto, and it may be possible to form grooves having a predetermined shape on both sides of the beam body 310 into which the other surfaces of the plurality of battery cells 100 can be fitted.
- the attachment guide member may be attached to both surfaces of the beam body 310 after inserting the other surfaces of the plurality of battery cells 100 .
- a heat transfer material having an adhesive component may be provided between the plurality of battery cells 100 and the beam body 310 to further increase the cooling performance of the plurality of battery cells 100 .
- the cooling water flow path 315 is for cooling the plurality of battery cells 100 , and cooling water for cooling the plurality of battery cells 100 may flow therein.
- the first flange 330 is for reinforcing the rigidity of the beam body 310 , and may be provided at the lower end of the beam body 310 .
- the first flange 330 may be disposed in contact with the base plate 200 .
- the first flange 330 may have a greater thickness than the beam body 310 in the longitudinal direction.
- the first flange 330 may cover at least a portion of an upper side of the plurality of battery cells 100 in the longitudinal direction.
- the first flange 330 may effectively guide the plurality of battery cells 100 to be more stably fixed and supported by the beam body 310 .
- the second flange 350 for reinforcing the rigidity of the beam body 310, is provided at the upper end of the beam body 310 opposite to the first flange 330, and a cover plate (to be described later) ( 400) and may be placed in contact with it.
- the second flange 350 may have a greater thickness than the beam body 310 in the longitudinal direction.
- the second flange 350 may cover at least a portion of the lower side of the plurality of battery cells 100 in the longitudinal direction.
- the second flange 350 can effectively guide the plurality of battery cells 100 to be more stably fixed and supported by the beam body 310 .
- the cover plate 400 may cover upper sides of the plurality of battery cells 100 and may be disposed to face the base plate 200 with the plurality of battery cells 100 interposed therebetween.
- the battery pack 10 reinforces the rigidity of the battery pack 10 through the cross beam unit 300 without a cell frame structure including a plurality of plate members as in the prior art. In addition, it is possible to more stably fix the plurality of battery cells 100 .
- the cell frame structure as in the prior art can be omitted, so that the overall size of the battery pack 10 can be reduced, thereby increasing the energy density of the battery pack 10 . can be higher than
- the battery pack 10 according to the present embodiment significantly reduces the manufacturing cost of the battery pack 10 and significantly speeds up the assembly process by omitting the cell frame structure composed of a plurality of plate members as in the prior art. can be raised
- the battery pack 10 according to the present embodiment can increase cost competitiveness when manufacturing the battery pack 10 and significantly increase the assembly process efficiency during the manufacturing process.
- the coolant flow path 315 for the coolant flow is provided in the cross beam unit 300 , so that the battery pack 10 is provided without adding a structure such as a separate heat sink.
- the plurality of battery cells 100 may be effectively cooled.
- the stacked structure of a structure such as a separate heat sink as in the prior art can be omitted, and the overall size of the battery pack 10 can be further reduced.
- the energy density of the battery pack 10 can be significantly increased.
- FIG. 7 is a view for explaining a battery pack according to another embodiment of the present invention.
- the battery pack 20 according to the present embodiment is similar to the battery pack 10 of the previous embodiment, redundant descriptions of components substantially the same as or similar to those of the previous embodiment will be omitted, and hereinafter, the previous embodiment will be omitted. Let's take a look at the differences between
- the battery pack 20 may include a plurality of battery cells 100 , a base plate 200 , a cross beam unit 300 , a cover plate 400 , and a cell support guider 500 . can
- the plurality of battery cells 100 , the base plate 200 , the cross beam unit 300 , and the cover plate 400 are substantially the same as or similar to those of the previous embodiment, and thus, redundant descriptions will be omitted below. do.
- the cell support guide 500 may support upper and lower sides of the plurality of battery cells 100 between the base plate 200 and the cover plate 300 .
- the cell support guider 500 is a support space having a concave-convex shape corresponding to the stacked shape of the battery cells 100 stacked together to more stably support the upper and lower sides of the plurality of battery cells 100 . can be provided.
- the plurality of battery cells 100 are more firmly fixed and supported between the base plate 200 and the cover plate 300.
- the cell support guider 500 may be provided as a heat transfer material to further increase the cooling performance of the plurality of battery cells 100 . Accordingly, in the present embodiment, the cooling performance of the battery pack 20 may be further improved.
- the heat transfer material may include, for example, thermal grease, an elastomer filling pad, a graphite pad, a thermal silicon pad, and the like.
- FIG. 8 is a view for explaining a vehicle according to an embodiment of the present invention.
- the battery packs 10 and 20 may be provided in the vehicle 1 as a fuel source for the vehicle.
- the battery packs 10 and 20 may be provided in the vehicle 1 in an electric vehicle, a hybrid vehicle, and any other manner in which the battery pack 10 , 20 may be used as a fuel source.
- the battery packs 10 and 20 of the present embodiment may be mounted in the vehicle 1 in a modular form.
- the battery packs 10 and 20 may be provided in plurality according to a required capacity and mounted on the vehicle 1 so that they can be electrically connected to each other in the vehicle 1 .
- the battery packs 10 and 20 include the cross beam unit 300, a structure such as a cross beam separately provided in a conventional vehicle through mounting of the battery packs 10 and 20 can be omitted.
- the vehicle 1 it is possible to secure more space for mounting the battery packs 10 and 20 in the vehicle 1 , and thus the battery mounted in the vehicle 1 .
- the energy density of the packs 10 and 20 can be further increased.
- a coolant flow path 315 is provided in the cross beam unit 300 of the battery packs 10 and 20, the battery packs 10 and 20 ). Since the structure of a cooling unit such as a heat sink for cooling can also be simplified, it is possible to additionally secure a mounting space for the battery pack 10 and 20 in the vehicle 1, so that the vehicle 1 It is possible to significantly increase the energy density of the battery packs 10 and 20 mounted on the .
- the battery packs 10 and 20 may be provided in other devices such as an energy storage system using a secondary battery in addition to the vehicle 1, as well as other devices, instruments, and facilities.
- a battery pack 10 and 20 capable of securing rigidity while increasing energy density and a vehicle 1 including the same.
- the battery packs 10 and 20 capable of improving cost competitiveness and manufacturing efficiency, and the vehicle 1 including the same.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (13)
- 자동차에 장착되는 배터리 팩에 있어서,복수 개의 배터리 셀;상기 복수 개의 배터리 셀을 지지하는 베이스 플레이트; 및상기 베이스 플레이트의 폭 방향을 따라 소정 길이로 배치되고, 상기 베이스 플레이트의 길이 방향에서 상기 복수 개의 배터리 셀 사이에 배치되며, 상기 길이 방향에서 마주 하는 배터리 셀들을 부착하여 고정하는 크로스 빔 유닛;을 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 복수 개의 배터리 셀의 일면에는,상기 복수 개의 배터리 셀의 전기적 연결을 위한 양극 및 음극 구조가 마련되며,상기 크로스 빔 유닛에는,상기 복수 개의 배터리 셀의 일면의 반대편인 타면이 부착되는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 복수 개의 배터리 셀의 일면은,상기 길이 방향에서, 마주 하는 배터리 셀들의 일면과 소정 거리 이격 배치되는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 크로스 빔 유닛에는,상기 복수 개의 배터리 셀의 냉각을 위한 냉각수 유로;가 구비되는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 복수 개의 배터리 셀의 상측을 커버하며, 상기 복수 개의 배터리 셀을 사이에 두고 상기 베이스 플레이트와 대향 배치되는 커버 플레이트;를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 크로스 빔 유닛은,상기 베이스 플레이트와 상기 커버 플레이트 사이에 배치되며, 상기 베이스 플레이트 및 상기 커버 플레이트와 각각 접촉 배치되는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 크로스 빔 유닛은,복수 개의 빔 부재;를 포함하며,상기 복수 개의 빔 부재는,상기 베이스 플레이트의 길이 방향을 따라 소정 거리 이격 배치되는 것을 특징으로 하는 배터리 팩.
- 제7항에 있어서,상기 복수 개의 빔 부재는,상기 냉각수 유로가 내부에 형성되며, 상기 베이스 플레이트의 폭 방향을 따라 소정 길이로 형성되는 빔 바디;상기 빔 바디의 하단부에 구비되며, 상기 베이스 플레이트와 접촉 배치되는 제1 플랜지; 및상기 제1 플랜지의 반대편인 상기 빔 바디의 상단부에 구비되며, 상기 커버 플레이트와 접촉 배치되는 제2 플랜지;를 포함하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 제1 플랜지와 상기 제2 플랜지는,상기 길이 방향에서 상기 빔 바디보다 넓은 두께를 갖는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 제1 플랜지는,상기 길이 방향에서, 상기 복수 개의 배터리 셀의 상측의 적어도 일부를 커버하며,상기 제2 플랜지는,상기 길이 방향에서, 상기 복수 개의 배터리 셀의 하측의 적어도 일부를 커버하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 복수 개의 배터리 셀은,상기 길이 방향에서, 상기 빔 바디의 양면에 각각 직접적으로 부착되는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 복수 개의 배터리 셀은,상기 길이 방향에서, 각각의 빔 바디를 사이에 두고 대칭적으로 배치되는 것을 특징으로 하는 배터리 팩.
- 제1항에 따른 적어도 하나의 배터리 팩;을 포함하는 것을 특징으로 하는 자동차.
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| JP2022577372A JP7592758B2 (ja) | 2021-01-11 | 2022-01-11 | バッテリーパック及びそれを含む自動車 |
| EP22736944.4A EP4187702B1 (en) | 2021-01-11 | 2022-01-11 | Battery pack and vehicle comprising same |
| ES22736944T ES3040743T3 (en) | 2021-01-11 | 2022-01-11 | Battery pack and vehicle comprising same |
| US18/010,444 US20230318082A1 (en) | 2021-01-11 | 2022-01-11 | Battery pack and vehicle comprising same |
| CN202280005507.9A CN115803940A (zh) | 2021-01-11 | 2022-01-11 | 电池组和包括该电池组的车辆 |
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| KR10-2021-0003550 | 2021-01-11 | ||
| KR1020210003550A KR102937981B1 (ko) | 2021-01-11 | 2021-01-11 | 배터리 팩 및 이를 포함하는 자동차 |
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| EP (1) | EP4187702B1 (ko) |
| JP (1) | JP7592758B2 (ko) |
| KR (1) | KR102937981B1 (ko) |
| CN (1) | CN115803940A (ko) |
| ES (1) | ES3040743T3 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024088958A1 (de) * | 2022-10-27 | 2024-05-02 | Bayerische Motoren Werke Aktiengesellschaft | Elektrische energiespeichereinrichtung und kraftfahrzeug |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4492554A4 (en) * | 2022-12-05 | 2025-07-09 | Lg Energy Solution Ltd | BATTERY PACK |
| KR20250081413A (ko) * | 2023-11-29 | 2025-06-05 | 주식회사 엘지에너지솔루션 | 배터리 모듈 |
| CN222422143U (zh) * | 2024-04-25 | 2025-01-28 | 中创新航科技集团股份有限公司 | 电池包 |
| KR20260044523A (ko) * | 2024-09-26 | 2026-04-02 | 주식회사 엘지에너지솔루션 | 배터리 팩 |
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- 2022-01-11 US US18/010,444 patent/US20230318082A1/en active Pending
- 2022-01-11 HU HUE22736944A patent/HUE072240T2/hu unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| US20230318082A1 (en) | 2023-10-05 |
| EP4187702A1 (en) | 2023-05-31 |
| CN115803940A (zh) | 2023-03-14 |
| JP2023530324A (ja) | 2023-07-14 |
| KR102937981B1 (ko) | 2026-03-10 |
| KR20220101475A (ko) | 2022-07-19 |
| EP4187702B1 (en) | 2025-06-04 |
| JP7592758B2 (ja) | 2024-12-02 |
| HUE072240T2 (hu) | 2025-11-28 |
| EP4187702A4 (en) | 2024-03-13 |
| ES3040743T3 (en) | 2025-11-04 |
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