WO2025211531A1 - 배터리 팩 및 이를 포함하는 자동차 - Google Patents
배터리 팩 및 이를 포함하는 자동차Info
- Publication number
- WO2025211531A1 WO2025211531A1 PCT/KR2024/019705 KR2024019705W WO2025211531A1 WO 2025211531 A1 WO2025211531 A1 WO 2025211531A1 KR 2024019705 W KR2024019705 W KR 2024019705W WO 2025211531 A1 WO2025211531 A1 WO 2025211531A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery pack
- battery
- insertion groove
- frame
- paragraph
- 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.)
- Pending
Links
Classifications
-
- 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
- H01M50/383—Flame arresting or ignition-preventing means
-
- 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
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- 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 a vehicle including the same, and more particularly, to a battery pack and a vehicle including the same, which can evenly spread heat and smoothly discharge gas when a thermal event occurs.
- secondary batteries refer to batteries that can be repeatedly charged and discharged, such as lithium-ion batteries, lithium polymer batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and nickel-zinc batteries.
- a battery cell the most basic type of secondary battery, can provide an output voltage of approximately 2.5 V to 4.2 V.
- Lithium secondary batteries are currently in the spotlight due to their advantages such as high operating voltage and significantly higher energy density. However, because they use organic electrolytes, there is a problem that lithium secondary batteries can cause overcurrent and overheating when overcharged, which in severe cases can cause fire due to explosion or ignition.
- Figure 1 is a cross-sectional view of a conventional battery pack.
- the present invention provides a battery pack and a vehicle including the same, which enable easy venting and easy discharge of gases.
- the present invention provides a battery module capable of preventing a thermal runaway phenomenon by preventing a chain reaction of flames due to flame propagation, a battery pack including the same, and a vehicle.
- a battery pack comprising: a plurality of battery modules in which a plurality of battery cells are stacked; a pack case in which the plurality of battery modules are accommodated; and a fastening member fastening the pack case, wherein at least a portion of the fastening member is directly fastened to the pack case and is characterized in that at least a portion thereof melts or burns when the temperature rises.
- the fastening member may include a bolt
- the bolt may include: a head portion; a body portion coupled to the head portion, having an insertion groove formed therein, and screw-connected to the pack case; and a melting portion made of a meltable or flammable material and inserted into the insertion groove of the body portion.
- the insertion groove may be formed in the body portion on an opposite side of the head portion.
- the melting portion may include a first portion that is in close contact with one side of the insertion groove; and a second portion that is extended symmetrically with respect to the first portion and is in close contact with the other side of the insertion groove.
- the melting portion may further include a third portion extending from the center of the first portion and the second portion in a direction different from the first portion and the second portion and in close contact with the insertion groove; and a fourth portion extending symmetrically with the third portion and in close contact with the insertion groove.
- the melting portion may be formed with a cross-sectional shape.
- the melting portion may include a first portion that is in close contact with the insertion groove; a second portion that extends from the first portion at a preset angle and is in close contact with the insertion groove; and a third portion that is spaced apart from the second portion and extends from the first portion at a preset angle and is in close contact with the insertion groove.
- the melting portion may be made of plastic.
- the pack case includes an upper frame; a bulkhead frame fastened to the upper frame by the fastening member, and the melting portion may be located inside the bulkhead frame.
- the bulkhead frame has a screw thread formed thereon
- the fastening member includes a nut coupled to the upper frame, and the bolt can be fastened to the nut and the bulkhead frame.
- a venting portion is formed in the pack case, and when the upper frame is deformed, gas generated from the battery cell can move to the venting portion.
- a vehicle including at least one battery pack as described above can be provided.
- Embodiments of the present invention have the effect of preventing heat concentration by evenly dispersing heat caused by a flame within a battery pack when a flame occurs from one battery cell, thereby achieving uniform thermal distribution.
- Figure 2 is an exploded perspective view of a battery pack according to one embodiment of the present invention.
- Figure 4 is a drawing showing the bolts in Figure 3 attached to the bulkhead frame.
- FIG. 6 is a perspective view of a bolt in a battery pack according to one embodiment of the present invention, wherein the melting portion is separated from the body portion.
- FIG. 7 is a perspective view of a bolt in a battery pack according to one embodiment of the present invention, wherein a melting portion is joined to a body portion.
- Figure 8 is a perspective view showing the bottom surface of Figure 7.
- Fig. 9 is a modified embodiment of Fig. 8.
- Fig. 10 is another modified embodiment of Fig. 8.
- Fig. 12 is a perspective view of a battery pack according to a modified embodiment of the present invention, with only a portion shown.
- FIG. 13 is a drawing for explaining a vehicle including a battery pack according to each embodiment of the present invention.
- 'joint' or 'connection' as used herein includes not only cases where one member is directly joined or directly connected to another member, but also cases where one member is indirectly joined or indirectly connected to another member through a connecting member.
- FIG. 2 is an exploded perspective view of a battery pack according to an embodiment of the present invention
- FIG. 3 is a cross-sectional view of a battery pack according to an embodiment of the present invention in which a bolt is separated from a bulkhead frame
- FIG. 4 is a view illustrating a bolt coupled to a bulkhead frame in FIG. 3
- FIG. 5 is a view illustrating a state in which a melting portion is melted and an upper frame and a bolt are separated from the bulkhead frame in FIG. 4
- FIG. 6 is a perspective view of a bolt in a battery pack according to an embodiment of the present invention, in which a melting portion is separated from a body portion
- FIG. 3 is a cross-sectional view of a battery pack according to an embodiment of the present invention in which a bolt is separated from a bulkhead frame
- FIG. 4 is a view illustrating a bolt coupled to a bulkhead frame in FIG. 3
- FIG. 5 is a view illustrating a state in which a melting portion is
- FIG. 7 is a perspective view of a bolt in a battery pack according to an embodiment of the present invention, in which a melting portion is coupled to a body portion
- FIG. 8 is a perspective view illustrating a bottom surface of FIG. 7
- FIG. 9 is a modified embodiment of FIG. 8
- FIG. 10 is another modified embodiment of FIG. 8
- FIG. 11 is a cross-sectional view illustrating a state in which a buffer space is formed when a melting portion of a bolt is melted and an upper frame is deformed in a battery pack according to an embodiment of the present invention.
- a battery pack (10) may be configured to include a plurality of battery modules (100), a pack case (200), and a fastening member (300).
- the battery module (100) is housed in a pack case (200). Furthermore, a plurality of battery cells (110, see FIG. 11) are stacked on each battery module (100), and a plurality of battery modules (100) may be arranged in various ways. For example, the battery modules (100) may be arranged in horizontal and vertical directions, but are not limited thereto.
- a battery module (100) may include a plurality of battery cells (110) and a module case (120, see FIG. 11).
- the battery cell (110) may have a structure in which a plurality of unit cells arranged in the order of positive plate-separator-negative plate or bi-cells arranged in the order of positive plate-separator-negative plate-separator-positive plate-separator-negative plate are stacked according to the battery capacity.
- the positive electrode lead and the negative electrode lead may be positioned in opposite directions with respect to the longitudinal direction of the battery cell (110), or the positive electrode lead and the negative electrode lead may be positioned in the same direction with respect to the longitudinal direction of the battery cell (110).
- a battery cell (110) may be provided with a plurality of cartridges (not shown) for storing the battery cell (110).
- Each cartridge (not shown) may be manufactured by injection molding plastic, and a plurality of cartridges (not shown) having a storage portion capable of storing the battery cell (110) may be stacked.
- a cartridge assembly in which a plurality of cartridges (not shown) are stacked may be provided with a connector element or a terminal element.
- the connector element may include various types of electrical connection components or connecting members for connection to, for example, a BMS (Battery Management System, not shown) that can provide data on the voltage or temperature of the battery cell (110).
- BMS Battery Management System
- a plurality of battery cells (110) are stacked and stored in a module case (120).
- the module case (120) surrounds the plurality of battery cells (110), thereby protecting the battery cells (110) from external vibrations or shocks.
- the module case (120) can be manufactured by, for example, bending a metal plate, whereby the module case (120) can be manufactured as an integral part.
- the joining process is simplified and simplified.
- the module case (120) can be provided in a detachable form and joined by welding or the like.
- the material of the module case (120) is not limited to a metal material.
- the pack case (200) may be configured to include, for example, an upper frame (210), a lower frame (220), a side frame (230), and a bulkhead frame (240).
- the upper frame (210) is coupled to the side frame (230) and the bulkhead frame (240).
- the upper frame (210) is fixed to the side frame (230) by a commonly used bolt (310a), but the bulkhead frame (240) is fastened by a fastening member (300) configured to melt or burn at least a portion thereof when the temperature rises, for example, a bolt (310) according to one embodiment of the present invention.
- a plurality of battery modules (100) are configured to be mounted on the lower frame (220).
- the lower frame (220) may be formed in a square plate shape, but is not limited thereto.
- the lower frame (220) forms the bottom of the pack case (200).
- the side frame (230) may be configured to extend upward from the edge of the lower frame (220).
- the side frame (230) defines the height of the pack case (200) and forms a preset space between it and the lower frame (220).
- the side frame (230) may include a relatively long long side frame (230) and a relatively short short side frame (230). Alternatively, the lengths of the side frames (230) may all be the same.
- a fastening hole (241) may be formed in the bulkhead frame (240) so that the upper frame (210) is fastened by a fastening member (300).
- the fastening member (300) is configured to fasten the upper frame (210) of the pack case (200).
- at least a portion of the fastening member (300) is directly fastened to the pack case (200). That is, screw threads are formed on the inside of the bulkhead frame (240) of the pack case (200), and the fastening member (300), for example, a bolt (310), is directly screwed to the inside of the bulkhead frame (240) without a nut.
- the fastening member (300) is configured to melt or burn at least partially when the temperature rises. That is, in the battery pack (10) according to one embodiment of the present invention, the fastening member (300) is configured to melt or burn when the temperature rises due to a flame or the like. In addition, as described above, the fastening member (300) configured to melt or burn due to a temperature rise fastens the upper frame (210) and the bulkhead frame (240).
- the fastening member (300) may include, but is not limited to, a bolt (310). However, for convenience of explanation, the following description will focus on the case where the fastening member (300) is a bolt (310) and a nut (320) described later.
- the bolt (310) may include a head portion (311), a body portion (312), and a melting portion (314).
- the bolt (310) according to one embodiment of the present invention may have the desired effect in the present invention by changing the structure of a conventional bolt.
- the melting portion (314) is inserted into the insertion groove (313) of the body portion (312) to support the body portion (312).
- the melting portion (314) is made of a material that melts or burns, and when a thermal event occurs in the battery cell (110), etc., the melting portion (314) melts or burns.
- the melting portion (314) that supports the body portion (312) of the bolt (310) melts, the fastening force of the bolt (310) weakens, and the upper frame (210) together with the bolt (310) are separated from the bulkhead frame (240).
- the melting portion (314) may include a first portion (315), a second portion (316), a third portion (317), and a fourth portion (318).
- the first portion (315) is in close contact with one side of the insertion groove (313).
- the second portion (316) extends symmetrically with respect to the first portion (315) and is in close contact with the other side of the insertion groove (313).
- the third portion (317) may extend from the center of the first portion (315) and the second portion (316) in a direction different from the first portion (315) and the second portion (316), for example, a vertical direction, and may be in close contact with the insertion groove (313).
- the melting portion (314) may include a first portion (315a), a second portion (316a), and a third portion (317a).
- the first portion (315a) is in close contact with the insertion groove (313).
- the second portion (316a) extends from the first portion (315a) at a preset angle and is in close contact with the insertion groove (313).
- the third portion (317a) is spaced apart from the second portion (316a), extends from the first portion (315a) at a preset angle, and is in close contact with the insertion groove (313).
- the melting portion (314) may be formed in an approximately triangular shape.
- the shape of the melting portion (314) is not limited thereto and may be more diverse.
- the melting portion (314) may be formed of various materials so as to be configured to melt or burn at least partially when the temperature rises, and may be made of, for example, various plastic materials that can melt at a preset temperature, but is not limited thereto.
- the peck case may include an upper frame (210) and a bulkhead frame (240), and the upper frame (210) and the bulkhead frame (240) may be fastened by, for example, a bolt (310).
- a screw thread may be formed on the inside of the bulkhead frame (240), and the bolt (310) is coupled to the screw thread of the bulkhead frame (240).
- the melting portion (314) inserted into the insertion groove (313) of the body portion (312) of the bolt (310) is located inside the bulkhead frame (240).
- the entire melting portion (314) may be located inside the bulkhead frame (240), but a part of the melting portion (314) may be configured to be located inside the bulkhead frame (240).
- the fastening member (300) includes a nut (320), and the nut (320) is coupled to the upper frame (210).
- the nut (320) is coupled to the upper frame (210), and for example, it may be coupled by welding, but is not limited thereto.
- the nut (320) is not coupled to the bulkhead frame (240) but is separated from the bulkhead frame (240).
- the nut (320) and the bulkhead frame (240) are in contact, but the nut (320) and the bulkhead frame (240) may be spaced apart from each other by a preset interval.
- a bolt (310) is coupled to a nut (320) coupled to an upper frame (210) to first fasten the upper frame (210) and the bulkhead frame (240), and further, a bolt (310) is coupled to a bulkhead frame (240) to second fasten the upper frame (210) and the bulkhead frame (240).
- the upper frame (210) is deformed upward by the flame and gas generated from the battery cell (110), thereby forming a buffer space (400), and as the heat from the flame spreads to other battery modules (100) through the buffer space (400), an overall uniform thermal distribution is achieved, and heat can be prevented from being concentrated in any one battery module (100).
- a venting portion (250) is formed in the pack case (200).
- the common content described in the aforementioned embodiment is replaced with the description of the aforementioned embodiment.
- the content applicable to the aforementioned embodiment among the portions described in the modified embodiments may be applied to the aforementioned embodiment.
- a venting valve (252) may be installed in the venting hole (251).
- the venting valve (252) may be configured in various ways.
- the venting valve (252) may be configured to close the venting hole (251) and open when the internal pressure of the pack case (200) exceeds a preset value.
- venting valve (252) normally blocks the venting hole (251), but when gas leaks from the battery cell (110) and the internal pressure of the pack case (200) exceeds a preset value or range, the venting valve (252) opens and the gas is discharged from the pack case (200) through the venting hole (251).
- a vehicle (20) may include one or more battery packs (10) according to each of the embodiments described above.
- the vehicle (20) includes various types of vehicles that are designed to use electricity, such as electric vehicles or hybrid vehicles.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (15)
- 복수의 배터리 셀이 적층된 복수의 배터리 모듈;상기 복수의 배터리 모듈이 수납되는 팩 케이스; 및상기 팩 케이스를 체결하는 체결부재를 포함하며,상기 체결부재의 적어도 일부는 상기 팩 케이스에 직접 체결되며, 온도 상승시 적어도 일부분이 녹거나 타는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 체결부재는 볼트를 포함하며,상기 볼트는,헤드부;상기 헤드부에 결합되고, 삽입홈이 형성되며, 상기 팩 케이스에 나사 결합하는 몸통부; 및녹거나 타는 재질로 제작되어 상기 몸통부의 상기 삽입홈에 삽입되는 멜팅부를 포함하는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 삽입홈은 상기 헤드부의 반대 측면에서 상기 몸통부에 형성되는 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 멜팅부는,상기 삽입홈의 일측에 밀착되는 제1 부; 및상기 제1 부와 대칭되도록 연장되어 삽입홈의 타측에 밀착되는 제2 부를 포함하는 것을 특징으로 하는 배터리 팩.
- 제4항에 있어서,상기 멜팅부는,상기 제1 부와 상기 제2 부의 중심부로부터 상기 제1 부 및 상기 제2 부와 다른 방향으로 연장되어 삽입홈에 밀착되는 제3 부; 및상기 제3 부와 대칭되도록 연장되어 삽입홈에 밀착되는 제4 부를 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제5항에 있어서,상기 멜팅부는 단면 형상이 십자가 형상으로 형성된 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 멜팅부는,상기 삽입홈에 밀착되는 제1 부;상기 제1 부로부터 미리 설정된 각도로 연장되어 상기 삽입홈에 밀착되는 제2 부; 및상기 제2 부로부터 이격되며, 상기 제1 부로부터 미리 설정된 각도로 연장되어 상기 삽입홈에 밀착되는 제3 부를 포함하는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 멜팅부는 플라스틱으로 제작되는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 팩 케이스는,상부 프레임;상기 체결부재에 의해 상기 상부 프레임과 체결되는 격벽 프레임을 포함하며,상기 멜팅부는 상기 격벽 프레임 내측에 위치하는 것을 특징으로 하는 배터리 팩.
- 제9항에 있어서,상기 격벽 프레임에는 나사산이 형성되고,상기 체결부재는 상기 상부 프레임에 결합되는 너트를 포함하며,상기 볼트는 상기 너트와 상기 격벽 프레임에 체결되는 것을 특징으로 하는 배터리 팩.
- 제10항에 있어서,상기 너트는 상기 상부 프레임에 용접으로 결합되는 것을 특징으로 하는 배터리 팩.
- 제10항에 있어서,상기 너트는 상기 격벽 프레임과 분리되어 있는 것을 특징으로 하는 배터리 팩.
- 제12항에 있어서,상기 배터리 셀에서 화염이 발생하여 상기 멜팅부가 녹으면 상기 볼트가 상기 격벽 프레임으로부터 분리되어 상기 상부 프레임이 상측으로 변형되고, 상기 상부 프레임과 상기 배터리 모듈 사이에 완충공간이 형성되는 것을 특징으로 하는 배터리 팩.
- 제9항에 있어서,상기 팩 케이스에는 벤팅부가 형성되며,상기 상부 프레임이 변형되는 경우 상기 배터리 셀에서 발생한 가스가 상기 벤팅부로 이동하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제14항 중 어느 한 항에 따른 배터리 팩을 적어도 하나 포함하는 자동차.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480031780.8A CN121100443A (zh) | 2024-04-05 | 2024-12-04 | 电池组和包括该电池组的车辆 |
| EP24934265.0A EP4718614A1 (en) | 2024-04-05 | 2024-12-04 | Battery pack and vehicle including same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020240046650A KR20250148209A (ko) | 2024-04-05 | 2024-04-05 | 배터리 팩 및 이를 포함하는 자동차 |
| KR10-2024-0046650 | 2024-04-05 |
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| Publication Number | Publication Date |
|---|---|
| WO2025211531A1 true WO2025211531A1 (ko) | 2025-10-09 |
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| PCT/KR2024/019705 Pending WO2025211531A1 (ko) | 2024-04-05 | 2024-12-04 | 배터리 팩 및 이를 포함하는 자동차 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4718614A1 (ko) |
| KR (1) | KR20250148209A (ko) |
| CN (1) | CN121100443A (ko) |
| WO (1) | WO2025211531A1 (ko) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008021486A (ja) * | 2006-07-12 | 2008-01-31 | Toyota Motor Corp | 燃料電池収納ケース |
| JP2017111914A (ja) * | 2015-12-15 | 2017-06-22 | 株式会社豊田自動織機 | 電池パック |
| KR20230049495A (ko) * | 2021-10-06 | 2023-04-13 | 주식회사 엘지에너지솔루션 | 안전성이 향상된 배터리 팩 |
| KR20230141830A (ko) * | 2021-12-16 | 2023-10-10 | 메르세데스-벤츠 그룹 아게 | 배터리 하우징 |
| KR20240024684A (ko) * | 2022-08-17 | 2024-02-26 | 주식회사 엘지에너지솔루션 | 벤팅 가스 배출 패시지가 형성된 이중 탑커버를 구비한 배터리 팩 |
| KR20240046650A (ko) | 2020-09-14 | 2024-04-09 | 엔퀴스트 테크놀로지스 아이엔씨. | 생물학적 생성물의 제조 및 다운스트림 정제를 위한 공정 기술 |
-
2024
- 2024-04-05 KR KR1020240046650A patent/KR20250148209A/ko active Pending
- 2024-12-04 CN CN202480031780.8A patent/CN121100443A/zh active Pending
- 2024-12-04 EP EP24934265.0A patent/EP4718614A1/en active Pending
- 2024-12-04 WO PCT/KR2024/019705 patent/WO2025211531A1/ko active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008021486A (ja) * | 2006-07-12 | 2008-01-31 | Toyota Motor Corp | 燃料電池収納ケース |
| JP2017111914A (ja) * | 2015-12-15 | 2017-06-22 | 株式会社豊田自動織機 | 電池パック |
| KR20240046650A (ko) | 2020-09-14 | 2024-04-09 | 엔퀴스트 테크놀로지스 아이엔씨. | 생물학적 생성물의 제조 및 다운스트림 정제를 위한 공정 기술 |
| KR20230049495A (ko) * | 2021-10-06 | 2023-04-13 | 주식회사 엘지에너지솔루션 | 안전성이 향상된 배터리 팩 |
| KR20230141830A (ko) * | 2021-12-16 | 2023-10-10 | 메르세데스-벤츠 그룹 아게 | 배터리 하우징 |
| KR20240024684A (ko) * | 2022-08-17 | 2024-02-26 | 주식회사 엘지에너지솔루션 | 벤팅 가스 배출 패시지가 형성된 이중 탑커버를 구비한 배터리 팩 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4718614A1 (en) | 2026-04-01 |
| KR20250148209A (ko) | 2025-10-14 |
| CN121100443A (zh) | 2025-12-09 |
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