WO2022173249A2 - 스웰링 발생 시 균일한 압력이 가해질 수 있는 구조를 갖는 배터리 모듈, 그리고 이를 포함하는 배터리 팩 및 자동차 - Google Patents
스웰링 발생 시 균일한 압력이 가해질 수 있는 구조를 갖는 배터리 모듈, 그리고 이를 포함하는 배터리 팩 및 자동차 Download PDFInfo
- Publication number
- WO2022173249A2 WO2022173249A2 PCT/KR2022/002052 KR2022002052W WO2022173249A2 WO 2022173249 A2 WO2022173249 A2 WO 2022173249A2 KR 2022002052 W KR2022002052 W KR 2022002052W WO 2022173249 A2 WO2022173249 A2 WO 2022173249A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery module
- cell stack
- battery
- base plate
- cover plate
- Prior art date
Links
- 230000008961 swelling Effects 0.000 title claims description 42
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 5
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
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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
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery module having a structure to which uniform pressure can be applied when swelling occurs, and to a battery pack and a vehicle including the same. More specifically, the present invention relates to a battery module having a module housing whose structural change is made to prevent pressure from being concentrated only in a central region of a battery cell when swelling of the battery cell occurs, and a battery module including the same It relates to battery packs and automobiles.
- a conventional battery module as shown in FIG. 1 includes a cell stack including a battery cell 100 and a swelling absorption pad 200 , and a module housing 300 accommodating the cell stack.
- the upper plate 300a and the lower plate 300b of the module housing 300 have an approximately flat shape.
- the upper plate 300a and the lower plate 300b of the module housing 300 have such a flat shape, the upper plate 300a and the lower plate 300b move upward and downward according to the swelling of the battery cell 100 . Each is bent downward.
- the pressing force of the upper plate 300a and the lower plate 300b with respect to the battery cell 11 is relatively in the central region of the battery cell 100 . It appears low and appears relatively strong as it approaches the edge region.
- the present invention has been devised in consideration of the above problems, and has a structure in which the deviation of the pressing force applied to the battery cell due to swelling is eliminated and the bending rigidity of the module housing is improved at a position corresponding to the central region of the battery cell.
- One object is to provide a module housing.
- a battery module for solving the above-described problems, a cell stack including a plurality of battery cells; and a base plate covering a lower surface of the cell stack, a cover plate covering an upper surface of the cell stack, and a connector connecting the base plate and the cover plate, wherein the module housing accommodates the cell stack. ; Including, the base plate and the cover plate have a curved shape such that the center region is located closer to the cell stack than the edge region region.
- the cell stack may further include a pair of swelling absorption pads disposed at outermost sides of the cell stack in a stacking direction.
- Each of the pair of swelling absorption pads may have a shape in which a thickness of a central region is thinner than a thickness of an edge region.
- Each of the pair of swelling absorption pads may have a stepped shape such that the surfaces opposite to the base plate and the cover plate become lower from the edge region toward the center region.
- Each of the pair of swelling absorption pads may have a curved shape such that surfaces opposite to the base plate and the cover plate are in full contact with the base plate and the cover plate.
- the connecting body may include an elongation portion having a relatively higher elongation than the peripheral region.
- the stretched portion may correspond to a region made of a metal having a relatively low elongation compared to the peripheral region.
- the stretching portion may correspond to a region formed to have a thinner thickness as compared to a peripheral region.
- a battery pack according to an embodiment of the present invention includes a battery module according to an embodiment of the present invention.
- a vehicle according to an embodiment of the present invention includes a battery pack according to an embodiment of the present invention.
- the present invention it is possible to solve the deviation of the pressing force applied to the battery cell due to swelling, and it is possible to improve the bending rigidity of the module housing at a position corresponding to the central region of the battery cell.
- 1 is a view showing a conventional battery module.
- FIGS. 2 to 5 are diagrams illustrating a battery module according to an embodiment of the present invention.
- FIGS. 6 and 7 are views illustrating a shape in which a module housing is deformed according to swelling in a battery module according to an embodiment of the present invention.
- FIG 8 and 9 are views illustrating various shapes of a swelling absorption pad in a battery module according to an embodiment of the present invention.
- 10 to 12 are views showing a battery module according to another embodiment of the present invention.
- FIG. 13 and 14 are diagrams illustrating a battery module according to another embodiment of the present invention.
- 15 is a diagram illustrating a battery pack according to an embodiment of the present invention.
- 16 is a diagram illustrating a vehicle according to an embodiment of the present invention.
- a battery module 1 according to an embodiment of the present invention will be described with reference to FIGS. 2 to 7 .
- the battery module 1 according to an embodiment of the present invention includes a cell stack 10 and a module housing 20 .
- the cell stack 10 includes a plurality of battery cells 11 .
- a pouch-type battery cell may be applied.
- the battery cell 11 includes a pair of electrode leads 11a extending to the outside of the battery cell 11 in a longitudinal direction (parallel to the X-axis) of the battery cell 11 .
- the pair of electrode leads 11a may be drawn out in the same direction or opposite to each other.
- the plurality of battery cells 11 are stacked to face each other in an up-down direction (a direction parallel to the Z-axis).
- the cell stack 10 may further include a pair of swelling absorption pads 12 disposed at outermost sides of the cell stack 10 in the stacking direction (parallel to the Z-axis).
- the swelling absorption pad 12 may be disposed between the battery cells 11 adjacent to each other in addition to the outermost outermost sides of the cell stack 10 in the stacking direction.
- the swelling absorption pad 12 may be compressed when swelling of the battery cell 11 due to repeated charging and discharging occurs to absorb volume expansion of the battery cell 11 .
- the swelling absorption pad 12 may have a flat shape like the swelling absorption pad 200 provided in the conventional battery module shown in FIG. 1, but as will be described later, a module housing having a curved shape ( 20) and may have a corresponding shape.
- the specific shape of the swelling absorption pad 12 will be described later in detail after the description of the module housing 20 of the present invention.
- the module housing 20 includes a base plate 21 , a cover plate 22 , and a connector 23 .
- the module housing 20 accommodates the cell stack 10 therein.
- the module housing 20 may be made of a metal material to ensure rigidity.
- the base plate 21 covers a lower surface (a surface parallel to the X-Y plane) of the cell stack 10 .
- the cover plate 22 covers an upper surface (a surface parallel to the X-Y plane) of the cell stack 10 .
- the connecting body 23 connects between the base plate 21 and the cover plate 22 .
- the connector 23 may be integrally formed with the base plate 21 and/or the cover plate 22 .
- the connecting body 23 is formed separately from the base plate 21 and/or the cover plate 22 and is welded to the base plate 21 and/or the cover plate 22 by welding, bolting, or the like. may be contracted.
- the connector 23 may have a shape including side plates forming a side surface of the module housing 20 .
- the connector 23 has a bar or beam shape for connecting and fixing between the base plate 21 and the cover plate 22 . may have In this case, the connector 23 may be fastened to each of the four corner areas of the base plate 21 and the cover plate 22 .
- the base plate 21 and the cover plate 22 have a curved shape so that the center region thereof is located closer to the cell stack 10 than the edge region region.
- the swelling absorption pad 12 is interposed between the base plate 21 and the battery cell 11 and between the cover plate 22 and the battery cell 11, respectively, but in the present invention This is not limited thereto, and a case in which the swelling absorption pad 12 is omitted is also included in the present invention.
- the central region of the battery cell 11 is the edge region. First, it comes into contact with the base plate 21 and the cover plate 22 . Accordingly, the central region of the battery cell 11 is pressed first until the volume expansion of the battery cell 11 due to the swelling occurs at a predetermined level or more. When the volume expansion due to the swelling of the battery cell 11 is made above a certain level, the edge region of the battery cell 11 also comes into contact with the base plate 21 and the cover plate 22 , and thus the battery cell Pressurization is made over the entire area of (11).
- the battery module 1 includes a pair of swelling absorption pads 12 positioned at the outermost sides of the cell stack 10 in the stacking direction
- one Each of the pair of swelling absorbent pads 12 may have a shape in which a thickness of a central region thereof is thinner than a thickness of an edge region thereof.
- the contact area between the cell stack 10 and the base plate 21 and the contact area between the cell stack 10 and the cover plate 22 may be increased. Accordingly, when volume expansion occurs due to swelling of the battery cell 11 , an even pressure may be applied over the entire area of the battery cell 11 .
- each of the pair of swelling absorbent pads 12 has a surface facing the base plate 21 and the cover plate 22 gradually lowering from the edge region toward the center region. It may have a stepped shape so that the One stepped structure formed on the swelling absorption pad 12 may be provided as shown in FIGS. 2 to 7 , or a plurality of stepped structures may be provided as shown in FIG. 8 .
- each of the pair of swelling absorbent pads 12 has a base plate 21 and a cover plate 22 opposite to the base plate ( 21) and the cover plate 22 may have a curved shape to contact the entirety.
- the battery module 1 includes a base plate 21 and a cover plate 22 having a curved shape, and optionally the base plate 21 and the cover plate.
- the swelling absorption pad 12 having a shape corresponding to that of (22), it is possible to apply uniform pressure over the entire area of the battery cell 11 when swelling occurs.
- the battery module 1 according to another embodiment of the present invention will be described with reference to FIGS. 10 to 14 .
- the battery module 1 according to another embodiment of the present invention compared to the battery module 1 according to the previous embodiment, except for the difference that the extension part 23a is provided on the connector 23, the battery according to the previous embodiment.
- the features of the module 1 may be included as is. Therefore, in describing the battery module 1 according to another embodiment of the present invention, the connection body 23 will be described intensively, and the description overlapping with the previous embodiment will be omitted.
- the connecting body 23 includes an elongation portion 23a having a relatively higher elongation than the peripheral region.
- the stretched portion 23a may correspond to a region made of a metal having a relatively lower elongation compared to the peripheral region.
- the stretching portion 23a may correspond to a region formed to be thinner than the peripheral region.
- the extension portion 23a has a tensile force exceeding a certain level on the connector 23 as the base plate 21 receives a downward force and the cover plate 22 receives a force upward due to the pressure caused by the swelling. It can be slightly stretched when applied. Due to the elongation of the stretching portion 23a, it is possible to prevent the pressure applied to the battery cell 11 from becoming excessively large.
- the metal material and/or the thickness of the stretched part 23a forming the stretched part 23a may be appropriately selected in consideration of the magnitude of the pressing force caused by the swelling of the battery cell 11 .
- the battery module 1 in addition to the structure in which the pressing force according to the swelling can act evenly over the entire area of the battery cell 11, an extension force of a certain level or more has been applied.
- the connecting body 23 has a structure that can be finely elongated. Accordingly, in the battery module 1 according to another embodiment of the present invention, it is possible to prevent the battery cells 11 from being damaged due to excessively large pressure being applied to the battery cells 11 .
- a battery pack 3 according to an embodiment of the present invention includes at least one battery module 1 according to the present invention.
- the battery pack 3 may have a form in which the battery module 1 is accommodated in the pack housing 2 .
- a vehicle 4 according to an embodiment of the present invention includes the battery pack 3 according to an embodiment of the present invention as described above.
- the vehicle 4 may be, for example, an electric vehicle powered by the battery pack 3 and operated.
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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)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (10)
- 복수의 배터리 셀을 포함하는 셀 적층체; 및상기 셀 적층체의 하면을 커버하는 베이스 플레이트, 상기 셀 적층체의 상면을 커버하는 커버 플레이트 및 상기 베이스 플레이트 및 커버 플레이트 사이를 연결하는 연결체를 포함하며, 상기 셀 적층체를 수용하는 모듈 하우징;을 포함하며,상기 베이스 플레이트 및 커버 플레이트는 그 중심 영역이 가장자리 영역 영역보다 상기 셀 적층체를 향해 더 가깝게 위치하도록 휘어진 형태를 갖는 배터리 모듈.
- 제1항에 있어서,상기 셀 적층체는,상기 셀 적층체의 적층 방향 양 측 최 외각에 배치되는 한 쌍의 스웰링 흡수 패드를 더 포함하는 것을 특징으로 하는 배터리 모듈.
- 제2항에 있어서,상기 한 쌍의 스웰링 흡수 패드 각각은,중심 영역의 두께가 가장자리 영역의 두께보다 더 얇은 형태를 갖는 것을 특징으로 하는 배터리 모듈.
- 제2항에 있어서,상기 한 쌍의 스웰링 흡수 패드 각각은,상기 베이스 플레이트 및 커버 플레이트와 대향하는 면이 가장자리 영역으로부터 중심 영역을 향할수록 낮아지도록 단차진 형상을 갖는 것을 특징으로 하는 배터리 모듈.
- 제2항에 있어서,상기 한 쌍의 스웰링 흡수 패드 각각은,상기 베이스 플레이트 및 커버 플레이트와 대향하는 면이 상기 베이스 플레이트 및 커버 플레이트와 전체적으로 접촉하도록 휘어진 형상을 갖는 것을 특징으로 하는 배터리 모듈.
- 제1항에 있어서,상기 연결체는,주변 영역보다 연신율이 상대적으로 더 높은 연신부를 구비하는 것을 특징으로 하는 배터리 모듈.
- 제6항에 있어서,상기 연신부는,주변 영역과 비교하여 연신율이 상대적으로 낮은 금속으로 이루어진 영역에 해당하는 것을 특징으로 하는 배터리 모듈.
- 제6항에 있어서,상기 연신부는,주변 영역과 비교하여 두께가 더 얇게 형성된 영역에 해당하는 것을 특징으로 하는 배터리 모듈.
- 제1항 내지 제8항 중 어느 한 항에 따른 배터리 모듈을 포함하는 배터리 팩.
- 제9항에 따른 배터리 팩을 포함하는 자동차.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280004413.XA CN115668609A (zh) | 2021-02-15 | 2022-02-10 | 具有在膨胀过程中能够施加均匀压力的结构的电池模块以及包括该电池模块的电池组和车辆 |
JP2022574821A JP2023528505A (ja) | 2021-02-15 | 2022-02-10 | スウェリングの発生時に均一な圧力が加えられる構造を有するバッテリーモジュール、及び当該バッテリーモジュールを含むバッテリーパック並びに自動車 |
US18/032,336 US20230387531A1 (en) | 2021-02-15 | 2022-02-10 | Battery module having structure enabling uniform pressure to be applied during swelling, and battery pack and vehicle comprising same |
EP22753009.4A EP4181294A2 (en) | 2021-02-15 | 2022-02-10 | Battery module having structure enabling uniform pressure to be applied during swelling, and battery pack and vehicle comprising same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210020137A KR20220116815A (ko) | 2021-02-15 | 2021-02-15 | 스웰링 발생 시 균일한 압력이 가해질 수 있는 구조를 갖는 배터리 모듈, 그리고 이를 포함하는 배터리 팩 및 자동차 |
KR10-2021-0020137 | 2021-02-15 |
Publications (2)
Publication Number | Publication Date |
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WO2022173249A2 true WO2022173249A2 (ko) | 2022-08-18 |
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