WO2025014329A1 - 배터리 모듈 - Google Patents
배터리 모듈 Download PDFInfo
- Publication number
- WO2025014329A1 WO2025014329A1 PCT/KR2024/010040 KR2024010040W WO2025014329A1 WO 2025014329 A1 WO2025014329 A1 WO 2025014329A1 KR 2024010040 W KR2024010040 W KR 2024010040W WO 2025014329 A1 WO2025014329 A1 WO 2025014329A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery module
- battery
- digestion tank
- paragraph
- battery cells
- 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
- H01M50/249—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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/026—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being put under pressure by means other than pressure gas, e.g. pumps
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/12—Releasing means, e.g. electrically released heat-sensitive with fusible links
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
- H01M50/233—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
- H01M50/24—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 from their environment, e.g. from corrosion
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- 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
-
- 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.
- lithium secondary batteries are receiving attention due to their advantages such as the fact that they have almost no memory effect compared to nickel-based secondary batteries, are free to charge and discharge, have a very low self-discharge rate, and have high energy density.
- the lithium secondary battery mainly use lithium oxide and carbon material as positive and negative active materials, respectively.
- the lithium secondary battery comprises an electrode assembly in which positive and negative plates, each coated with the positive and negative active materials, are arranged with a separator between them, and an outer material, i.e., a battery case, that seals and stores the electrode assembly together with an electrolyte.
- lithium secondary batteries can be classified into can-type secondary batteries in which the electrode assembly is built into a metal can and pouch-type secondary batteries in which the electrode assembly is built into a pouch of an aluminum laminate sheet, depending on the shape of the outer packaging material.
- secondary batteries are widely used for driving or energy storage in not only small devices such as portable electronic devices but also medium and large devices such as electric vehicles and energy storage systems (ESS).
- ESS electric vehicles and energy storage systems
- These secondary batteries can be stored together in a module case while being electrically connected in multiple units to form a single battery module.
- these battery modules can be connected in multiple units to form a single battery pack.
- the present invention aims to solve the above-mentioned problems and other problems.
- Another object of the present invention may be to provide a battery module capable of immediately deploying a fire extinguishing agent when a thermal event occurs.
- Another object of the present invention may be to provide a battery module capable of minimizing the amount of extinguishing material remaining in a extinguishing tank when a thermal event occurs.
- a battery module may include: a case providing an internal space; a plurality of battery cells positioned inside the case and stacked in a left-right direction; a digestion tank positioned between the plurality of battery cells and the case and providing an internal space; a digestion tube communicating with the digestion tank and extending in a left-right direction; a spray nozzle communicating with the digestion tube and protruding toward the plurality of battery cells; and a sealing member sealing the spray nozzle.
- the digestive tube and the injection nozzle may be configured to be electrically insulating.
- the sealing member may be configured to melt when a thermal event occurs.
- the device may further include a pressurizing member positioned between the digestion tank and the case and configured to pressurize the digestion tank.
- the above battery module may further include an elastic member positioned between the pressurizing member and the case.
- the digestion tank may be configured to be foldable.
- the digestion tank may include a rigid portion connected to the digestion tube; and a flexible portion combined with the rigid portion and made of a flexible material.
- the pressurizing member may be configured to have a plate shape and be in surface contact with the digestion tank.
- the digestive tube may include a first digestive tube positioned at the front side of the plurality of battery cells
- the injection nozzle may include a first injection nozzle protruding toward the terrace portion of the plurality of battery cells.
- the digestive tube may include a second digestive tube positioned above the plurality of battery cells, and the injection nozzle may include a second injection nozzle protruding toward the center of the plurality of battery cells.
- the digestion tank may include: a first digestion tank positioned on the right side of the plurality of battery cells; and a second digestion tank positioned on the left side of the plurality of battery cells.
- the spray nozzle includes a metal mesh provided at one end, and the sealing member can seal the metal mesh.
- the injection nozzle is composed of a plurality of nozzles, and the sealing member can seal the plurality of nozzles.
- a battery pack according to one aspect of the present invention comprises a battery module of the present invention.
- a vehicle according to one aspect of the present invention comprises a battery module of the present invention.
- thermal safety when a thermal event occurs in a battery module, thermal safety can be improved by immediately introducing a fire extinguishing agent.
- the extinguishing agent can be introduced into the extinguishing tank so that the remaining extinguishing agent is minimized.
- FIG. 1 is a perspective view showing a battery module according to one embodiment of the present invention.
- Fig. 2 is a drawing showing a part of the battery module of Fig. 1 in isolation.
- Figure 3 is an enlarged view showing a portion of the configuration of Figure 2.
- Fig. 4 is a drawing schematically showing a part of a cross-sectional configuration along the cutting line A-A' of Fig. 1.
- FIG. 5 is a schematic drawing showing a part of a cross-sectional configuration along the cutting line A-A' of FIG. 1 when a thermal event occurs.
- Fig. 6 is a drawing showing an example of a modified cross-sectional configuration along the cutting line A-A' of Fig. 1.
- FIG. 7 is a drawing showing an example of a deformation embodiment of a cross-sectional configuration along the cutting line A-A' of FIG. 1 when a thermal event occurs.
- Fig. 8 is a drawing showing a modified example of some configurations of Fig. 2.
- Fig. 9 is a drawing schematically showing an example of a modified cross-sectional configuration along the cutting line A-A' of Fig. 1.
- FIG. 10 is a drawing showing an injection nozzle of a battery module according to one embodiment of the present invention.
- FIG. 11 is a drawing showing another embodiment of an injection nozzle of a battery module according to one embodiment of the present invention.
- FIG. 12 is a drawing showing another embodiment of an injection nozzle of a battery module according to one embodiment of the present invention.
- FIG. 13 is a drawing showing another embodiment of an injection nozzle of a battery module according to one embodiment of the present invention.
- FIG. 14 is a drawing showing another embodiment of an injection nozzle of a battery module according to one embodiment of the present invention.
- FIG. 1 is a perspective view showing a battery module according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a partial configuration of the battery module of FIG. 1 in isolation.
- a battery module according to an embodiment of the present invention may include a case (100), a battery cell (200), a digestion tank (300), a digestion tube (400), a spray nozzle (500), and a sealing member (700).
- the case (100) can provide a space inside.
- the case (100) can have a rectangular parallelepiped shape.
- the case (100) can include a frame (120), a front cover (110), and a rear cover (130).
- the frame (120) can have a rectangular parallelepiped shape with the front and the rear open.
- the frame (120) can be composed of four side plates.
- the frame (120), the front cover (110), and the rear cover (130) can be composed of a plurality of parts. The plurality of parts can be formed by fastening, joining, welding, attaching, or fixing to form the case (100).
- the battery cell (200) may be located inside the case (100).
- the battery cell (200) may be provided in multiple numbers, and the multiple battery cells (200) may be accommodated in the case (100). At this time, the battery cell (200) may mean a secondary battery.
- the battery cell (200) may be a pouch-type battery cell (200).
- the battery cell (200) may have a rectangular parallelepiped or pouch shape.
- the multiple battery cells (200) may be stacked.
- the multiple battery cells (200) may be stacked along the left-right direction or the Y-axis direction.
- the digestion tank (300) may be located inside the case (100).
- the digestion tank (300) may provide an internal space.
- the digestion tank (300) may be located between the plurality of battery cells (200) and the case (100).
- the digestion tank (300) may be located between the outermost battery cell (200) among the plurality of battery cells (200) and the side plate of the case (100).
- the digestion member (600) may be accommodated or filled inside the digestion tank (300).
- the digestion member (600) may be composed of a liquid.
- the digestion member (600) may be composed of Novec 1230.
- the digestive tube (400) may be communicated with the digestive tank (300).
- the digestive tube (400) may be extended in the left-right direction, the Y-axis direction, or the stacking direction of a plurality of battery cells (200).
- the spray nozzle (500) may be in communication with the digestive tract (400). Alternatively, the spray nozzle (500) may extend or protrude from the digestive tract (400). The spray nozzle (500) may protrude toward the plurality of battery cells (200). The spray nozzle (500) may be provided in plurality. Each spray nozzle (500) may protrude toward the plurality of battery cells (200). For example, the spray nozzle (500) may be provided to correspond one-to-one with the battery cells (200).
- the sealing member (700) can seal the spray nozzle (500).
- the sealing member (700) can seal or cover the spray port or end of the spray nozzle (500).
- the sealing member (700) can be composed of a material such as paraffin.
- the extinguishing member (600) when a thermal event occurs, the extinguishing member (600) can be injected into the battery cell (200).
- the sealing member (700) can melt due to ignition particles such as venting gas or sparks.
- the extinguishing member (600) filled in the extinguishing tank (300) can be injected through the injection nozzle (500) where the sealing member (700) is melted. Therefore, the extinguishing member (600) can be injected quickly without electrical or mechanical control, and heat propagation can be suppressed. As a result, the thermal safety of the battery module can be improved.
- the digestive tube (400) and the injection nozzle (500) of the battery module may be configured to be electrically insulating.
- the electrical stability of the battery module can be improved.
- a sealing member (700) of a battery module may be configured to melt when a thermal event occurs. As the sealing member (700) melts, the nozzle or end of the spray nozzle (500) may be opened.
- the sealing member (700) melts, thereby allowing the extinguishing member (600) to be introduced into the battery cell (200). Accordingly, the extinguishing member (600) can be quickly introduced without electrical or mechanical control, and heat propagation can be suppressed. As a result, the thermal safety of the battery module can be improved.
- FIG. 3 is a drawing showing a part of the configuration of FIG. 2 in an enlarged manner.
- FIG. 4 is a drawing showing a part of a cross-sectional configuration taken along the cutting line A-A' of FIG. 1.
- FIG. 5 is a drawing showing a part of a cross-sectional configuration taken along the cutting line A-A' of FIG. 1 when a thermal event occurs.
- a battery module according to an embodiment of the present invention may further include a pressurizing member (800) positioned between the digestion tank (300) and the case (100) and configured to pressurize the digestion tank (300).
- the pressurizing member (800) may pressurize the digestion tank (300) regardless of whether the sealing member (700) has melted.
- the sealing member (700) seals the spray nozzle (500), even if the pressurizing member (800) pressurizes the digestion tank (300), the digestion member (600) may not be injected into the battery cell (200). On the other hand, if the sealing member (700) melts and the injection nozzle (500) opens due to a thermal event, the extinguishing member (600) can be injected into the battery cell (200) as the pressurizing member (800) pressurizes the extinguishing tank (300).
- the extinguishing member (600) when a thermal event occurs, the extinguishing member (600) can be quickly introduced into the battery cell (200). Therefore, the extinguishing member (600) can be quickly introduced without electrical or mechanical control, and heat propagation can be suppressed. As a result, the thermal safety of the battery module can be improved.
- a battery module according to an embodiment of the present invention may further include an elastic member (900) positioned between a pressure member (800) and a case (100).
- the elastic member (900) may be positioned between the pressure member (800) and a side plate of the case (100).
- the elastic member (900) may be a spring (900).
- the spring (900) may be maintained in a compressed state between the pressure member (800) and the case (100). Accordingly, the restoring force of the spring (900) may act in a direction that pushes the pressure member (800) toward the digestion tank (300).
- the elastic member (900) provides restoring force to the pressure member (800), so that the extinguishing member (600) can be quickly inserted into the battery cell (200).
- the elastic member (900) can appropriately maintain the pressing force of the pressure member (800) even when the insertion of the extinguishing member (600) is initiated.
- a digestion tank (300) of a battery module may include a rigid portion (311) connected to a digestion tube (400), and a flexible portion (312) coupled with the rigid portion (311) and made of a flexible material.
- the rigid portion (311) and the flexible portion (312) may form an internal space of the digestion tank (300).
- the flexible portion (312) may be fastened, attached, coupled, or fixed to the rigid portion (311).
- the flexible portion (312) may be contracted or folded by a pressure member (800) and an elastic member (900). In addition, the flexible portion (312) may be contracted or folded as the digestion member (600) is introduced.
- the flexible portion (312) can facilitate the insertion of the extinguishing member (600). As a result, the thermal safety of the battery module can be improved.
- a pressurizing member (800) of a battery module may have a plate shape and be configured to be in surface contact with a digestion tank (300).
- the pressurizing member (800) may be in surface contact with one side of the digestion tank (300).
- the pressurizing member (800) may be in surface contact with a flexible portion (312) of the digestion tank (300).
- the pressurizing member (800) may transmit the restoring force of the elastic member (900) to the flexible portion (312). While the sealing member (700) seals the spray nozzle (500), the flexible portion (312) may be maintained without deformation.
- the pressurizing member (800) may fold, pressurize, move, or contract the flexible portion (312) toward the rigid portion (311).
- the flexible portion (312) and the pressurizing member (800) can quickly and easily insert the extinguishing member (600).
- the extinguishing member (600) can be inserted so that the remaining extinguishing member (600) in the extinguishing tank (300) is minimized.
- the thermal safety of the battery module can be improved.
- FIG. 6 is a drawing showing a modified embodiment of a cross-sectional configuration along the cutting line A-A' of FIG. 1.
- FIG. 7 is a drawing showing a modified embodiment of a cross-sectional configuration along the cutting line A-A' of FIG. 1 when a thermal event occurs.
- a digestion tank (300) of a battery module may be configured to be foldable.
- the digestion tank (300) may be configured to have a wrinkled structure.
- the wrinkles of the digestion tank (300) may be maintained in an unfolded state.
- the digestion member (600) is introduced, the wrinkles of the digestion tank (300) may be folded by the pressurizing member (800).
- the digestion tank (300) can be easily folded or contracted.
- the digestion member (600) can be inserted quickly and easily.
- the thermal safety of the battery module can be improved.
- FIG. 8 is a drawing showing a modified embodiment of a part of the configuration of FIG. 2.
- a digestive tube (400) of a battery module may include a first digestive tube (410) positioned at the front side of a plurality of battery cells (200), and a spray nozzle (500) may include a first spray nozzle (510) protruding toward a terrace portion (201) of a plurality of battery cells (200).
- the first digestive tube (410) and the first spray nozzle (510) may be positioned spaced apart from the battery cells (200).
- the first spray nozzle (510) may be positioned adjacent to the terrace portion (201) of the battery cells (200).
- the first injection nozzle (510) when a thermal event occurs, the first injection nozzle (510) may be exposed to venting gas or ignitable particles. As a result, the sealing member (700) may melt and the extinguishing member (600) may be sprayed.
- the digestive tube (400) of the battery module may include a second digestive tube (420) positioned above a plurality of battery cells (200), and the spray nozzle (500) may include a second spray nozzle (520) protruding toward the upper central portion (202) of the plurality of battery cells (200).
- the second digestive tube (420) and the second spray nozzle (520) may be positioned spaced apart from the battery cells (200).
- the second spray nozzle (520) may be positioned adjacent to the upper terrace portion (201) of the battery cells (200).
- the second injection nozzle (520) when a thermal event occurs, the second injection nozzle (520) may be exposed to venting gas or ignitable particles. As a result, the sealing member (700) may melt and the extinguishing member (600) may be sprayed.
- a digestive tube (400) of a battery module includes a third digestive tube (430) positioned at the rear side of a plurality of battery cells (200), and a spray nozzle (500) may include a third spray nozzle (530) protruding toward a terrace portion (201) of a plurality of battery cells (200).
- the third digestive tube (430) and the third spray nozzle (530) may be positioned spaced apart from the battery cells (200).
- the third spray nozzle (530) may be positioned adjacent to the terrace portion (201) of the battery cells (200).
- the first digestive tube (410), the second digestive tube (420), and the third digestive tube (430) may be collectively referred to as a digestive tube (400).
- the first injection nozzle (510), the second injection nozzle (520), and the third injection nozzle (530) may be collectively referred to as the injection nozzle (500).
- the third injection nozzle (530) may be exposed to venting gas or ignitable particles.
- the sealing member (700) may melt and the extinguishing member (600) may be sprayed.
- FIG. 9 is a drawing schematically illustrating a modified embodiment of a cross-sectional configuration taken along the cutting line A-A' of FIG. 1.
- a digestion tank (300) of a battery module may include a first digestion tank (310) positioned on the right side of a plurality of battery cells (200), and a second digestion tank (320) positioned on the left side of the plurality of battery cells (200).
- the first digestion tank (310) and the second digestion tank (320) may be communicated with each other through a digestion tube (400).
- the first digestion tank (310) and the second digestion tank (320) may each be pressurized by a pressurizing member (800).
- the filling amount of the extinguishing member (600) of the battery module can be increased.
- the thermal safety of the battery module can be improved.
- FIG. 10 is a drawing showing a spray nozzle (500) of a battery module according to an embodiment of the present invention.
- FIG. 10 (a) is a drawing showing a front view of the spray port of the spray nozzle (500)
- FIG. 10 (b) is a drawing showing a side view of the spray nozzle (500).
- the spray port or one end of the spray nozzle (500) of the battery module according to an embodiment of the present invention may be sealed with a sealing member (700).
- the sealing member (700) may seal the spray port of the spray nozzle (500) and at least a portion of the side surface of the spray nozzle (500).
- at least a portion of the sealing member (700) may be positioned inside the spray nozzle (500).
- the sealing member (700) can stably seal the spray nozzle (500). As a result, the thermal safety of the battery module can be improved.
- FIG. 11 is a drawing showing another embodiment of a spray nozzle (500) of a battery module according to an embodiment of the present invention.
- FIG. 11 (a) is a drawing showing a front view of a spray port of the spray nozzle (500)
- FIG. 11 (b) is a drawing showing a side view of the spray nozzle (500).
- the spray nozzle (500) of the battery module according to an embodiment of the present invention may include protrusions (502) formed on the inside.
- at least a portion of the sealing member (700) may be positioned inside the spray nozzle (500) and may be coupled, attached, or fixed to the protrusions (502).
- the bonding force between the sealing member (700) and the spray nozzle (500) can be increased.
- the sealing member (700) can stably seal the spray nozzle (500).
- FIG. 12 is a drawing showing another embodiment of a spray nozzle (500) of a battery module according to an embodiment of the present invention.
- FIG. 12 (a) is a drawing showing a front view of a spray port of the spray nozzle (500)
- FIG. 12 (b) is a drawing showing a side view of the spray nozzle (500).
- the spray nozzle (500) according to an embodiment of the present invention may be composed of a plurality of nozzles. Each of the plurality of nozzles may include protrusions (502) formed on the inside.
- the sealing member (700) may seal all of the plurality of nozzles. At least a portion of the sealing member (700) may be positioned inside the plurality of nozzles, and may be coupled, attached, or fixed to the protrusions (502).
- the sealing member (700) since the injection ports of the plurality of nozzles are formed small, the bonding force between the sealing member (700) and the plurality of nozzles can be increased. As a result, the sealing member (700) can stably seal the plurality of nozzles.
- FIG. 13 is a drawing showing another embodiment of a spray nozzle (500) of a battery module according to an embodiment of the present invention.
- FIG. 13 (a) is a drawing showing a front view of a spray port of the spray nozzle (500)
- FIG. 13 (b) is a drawing showing a side view of the spray nozzle (500).
- the spray nozzle (500) of the battery module according to an embodiment of the present invention includes a metal mesh (501) provided at one end, and a sealing member (700) can seal the metal mesh (501). At least a portion of the sealing member (700) can be positioned inside the spray nozzle (500) and can be coupled, attached, or fixed to the metal mesh (501).
- the bonding force between the sealing member (700) and the spray nozzle (500) can be increased.
- the sealing member (700) can stably seal the spray nozzle (500).
- FIG. 14 is a drawing showing another embodiment of a spray nozzle (500) of a battery module according to an embodiment of the present invention.
- FIG. 14 (a) is a drawing showing a front view of a spray port of the spray nozzle (500)
- FIG. 14 (b) is a drawing showing a side view of the spray nozzle (500).
- the spray nozzle (500) of the battery module according to an embodiment of the present invention may be provided with a plurality of holes (503) at one end.
- a sealing member (700) may seal the plurality of holes (503). At least a portion of the sealing member (700) may be positioned inside the spray nozzle (500) and may be coupled, attached, or fixed to the plurality of holes (503).
- the bonding force between the sealing member (700) and the spray nozzle (500) can be increased.
- the sealing member (700) can stably seal the spray nozzle (500).
- the battery pack according to the present invention may include the battery module according to the present invention described above.
- the battery pack according to the present invention may further include various other components in addition to the battery module according to the present invention described above, for example, components of a battery pack known at the time of application of the present invention, such as a BMS, a bus bar, a pack case, a relay, a current sensor, etc.
- the automobile according to the present invention may include the battery module according to the present invention described above.
- the battery module according to the present invention may be applied to automobiles such as electric automobiles or hybrid automobiles.
- the automobile according to the present invention may further include various other components included in the automobile, such as a body, a motor, a control device such as an ECU (electronic control unit), etc., in addition to the battery module.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (15)
- 내부 공간을 제공하는 케이스;상기 케이스 내부에 위치하고 좌우 방향으로 적층되는 복수의 배터리 셀;상기 복수의 배터리 셀과 상기 케이스 사이에 위치하고 내부 공간을 제공하는 소화 탱크;상기 소화 탱크와 연통되고 좌우 방향으로 연장되는 소화관;상기 소화관과 연통되고 상기 복수의 배터리 셀을 향해 돌출되는 분사노즐; 그리고,상기 분사노즐을 실링시키는 밀봉부재를 포함하는 배터리 모듈.
- 제1 항에 있어서,상기 소화관과 상기 분사노즐은,전기적으로 절연성을 갖도록 구성되는 배터리 모듈.
- 제1 항에 있어서,상기 밀봉부재는,열적 이벤트 발생 시 녹도록 구성되는 배터리 모듈.
- 제1 항에 있어서,상기 소화 탱크와 상기 케이스 사이에 위치하고, 상기 소화 탱크를 가압하도록 구성된 가압 부재를 더 포함하는 배터리 모듈.
- 제4 항에 있어서,상기 가압 부재와 상기 케이스 사이에 위치하는 탄성 부재를 더 포함하는 배터리 모듈.
- 제4 항에 있어서,상기 소화 탱크는,폴딩 가능하도록 구성되는 배터리 모듈.
- 제4 항에 있어서,상기 소화 탱크는,상기 소화관과 연결되는 강성부; 그리고,상기 강성부와 결합되고, 플렉서블한 재질로 구성되는 유연부를 포함하는 배터리 모듈.
- 제4 항에 있어서,상기 가압 부재는,플레이트 형상을 가지고 상기 소화 탱크와 면 접촉되도록 구성되는 배터리 모듈.
- 제1 항에 있어서,상기 소화관은,상기 복수의 배터리 셀의 전방 측에 위치하는 제1 소화관을 포함하고,상기 분사노즐은,상기 복수의 배터리 셀의 테라스부를 향해 돌출되는 제1 분사 노즐을 포함하는 배터리 모듈.
- 제1 항에 있어서,상기 소화관은,상기 복수의 배터리 셀의 상측에 위치하는 제2 소화관을 포함하고,상기 분사노즐은,상기 복수의 배터리 셀의 중앙부를 향해 돌출되는 제2 분사 노즐을 포함하는 배터리 모듈.
- 제1 항에 있어서,상기 소화 탱크는:상기 복수의 배터리 셀의 우측에 위치하는 제1 소화 탱크; 그리고,상기 복수의 배터리 셀의 좌측에 위치하는 제2 소화 탱크를 포함하는 배터리 모듈.
- 제1 항에 있어서,상기 분사 노즐은,일단에 구비되는 금속 메쉬를 포함하고,상기 밀봉부재는,상기 금속 메쉬를 실링시키는 배터리 모듈.
- 제1 항에 있어서,상기 분사 노즐은,복수의 노즐로 구성되고,상기 밀봉부재는,상기 복수의 노즐을 실링시키는 배터리 모듈.
- 제1 항 내지 제10 중 어느 한 항의 배터리 모듈을 포함하는 배터리 팩.
- 제1 항 내지 제10 중 어느 한 항의 배터리 모듈을 포함하는 자동차.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480003999.7A CN119866570A (zh) | 2023-07-12 | 2024-07-12 | 电池模块 |
| EP24840139.0A EP4579871A4 (en) | 2023-07-12 | 2024-07-12 | BATTERY MODULE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2023-0090626 | 2023-07-12 | ||
| KR1020230090626A KR20250010418A (ko) | 2023-07-12 | 2023-07-12 | 배터리 모듈 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025014329A1 true WO2025014329A1 (ko) | 2025-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2024/010040 Ceased WO2025014329A1 (ko) | 2023-07-12 | 2024-07-12 | 배터리 모듈 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4579871A4 (ko) |
| KR (1) | KR20250010418A (ko) |
| CN (1) | CN119866570A (ko) |
| WO (1) | WO2025014329A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102869185B1 (ko) * | 2025-03-25 | 2025-10-14 | 주식회사 에이치티씨 | 화재의 소화 및 확산방지 구조를 갖는 전기자동차용 배터리 팩 케이스 및 이를 구비한 배터리 팩 |
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| KR20210056269A (ko) * | 2019-11-08 | 2021-05-18 | 주식회사 엘지화학 | 배터리 모듈, 및 이를 포함하는 배터리 랙 및 전력 저장 장치 |
| KR20220072887A (ko) * | 2020-11-23 | 2022-06-03 | 주식회사 엘지에너지솔루션 | 열확산 억제 구조를 포함하는 전지팩 |
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| CN115832491A (zh) * | 2022-11-30 | 2023-03-21 | 江苏工程职业技术学院 | 一种便于承载和更换电池的动力电池健康状况监测装置 |
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| JP5760713B2 (ja) * | 2011-06-03 | 2015-08-12 | トヨタ自動車株式会社 | 電池パック |
| KR102767135B1 (ko) * | 2020-03-04 | 2025-02-11 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 랙 및 이러한 배터리 랙을 포함하는 전력 저장 장치 |
| KR20230052657A (ko) * | 2021-10-13 | 2023-04-20 | 주식회사 엘지에너지솔루션 | 소화 및 냉각 기능을 갖는 단열 패드가 구비된 전지 모듈 및 이를 포함하는 전지 팩 |
-
2023
- 2023-07-12 KR KR1020230090626A patent/KR20250010418A/ko active Pending
-
2024
- 2024-07-12 WO PCT/KR2024/010040 patent/WO2025014329A1/ko not_active Ceased
- 2024-07-12 CN CN202480003999.7A patent/CN119866570A/zh active Pending
- 2024-07-12 EP EP24840139.0A patent/EP4579871A4/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20250010418A (ko) | 2025-01-21 |
| CN119866570A (zh) | 2025-04-22 |
| EP4579871A4 (en) | 2026-01-21 |
| EP4579871A1 (en) | 2025-07-02 |
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