WO2019039409A1 - Batterie en couches - Google Patents
Batterie en couches Download PDFInfo
- Publication number
- WO2019039409A1 WO2019039409A1 PCT/JP2018/030560 JP2018030560W WO2019039409A1 WO 2019039409 A1 WO2019039409 A1 WO 2019039409A1 JP 2018030560 W JP2018030560 W JP 2018030560W WO 2019039409 A1 WO2019039409 A1 WO 2019039409A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- main surface
- surface portion
- bent
- battery
- laminate
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 47
- 238000005452 bending Methods 0.000 claims description 31
- 239000005001 laminate film Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 25
- 238000012986 modification Methods 0.000 description 16
- 230000004048 modification Effects 0.000 description 16
- 239000011255 nonaqueous electrolyte Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000002482 conductive additive Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a stacked battery having a structure in which a plurality of positive electrodes and negative electrodes are alternately stacked.
- Patent Document 1 a laminate type battery having a structure in which a curved laminate is sealed in a laminate film can be considered.
- the periphery of the laminate film is sealed to seal the laminate.
- the accommodation volume of the laminated type battery can be reduced by accommodating the laminated film in a bent state of the peripheral portion, which is space effective. It is possible to improve the quality.
- the peripheral portion of the curved portion can not be bent well. For this reason, it is necessary to prepare a space having a size in consideration of the peripheral portion of the curved portion as a space for housing the stacked type battery, and the space effectiveness can not be improved.
- An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide a laminated type battery which has a bent portion and can improve space effectiveness.
- the laminated battery of the present invention is A laminated battery having a structure in which a laminate having a structure in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked is enclosed in an outer package, and a peripheral portion of the outer package is sealed, A first main surface portion, A bent portion which is a region continuous with the first main surface portion and bent; Equipped with When the direction along the bending axis of the bent portion is taken as the width direction, the bent portion has a portion with a smaller width than the first main surface portion, Among the peripheral portions of the exterior body, the peripheral portion of the first main surface portion is configured to be able to be bent in a mode in which the planar area of the first main surface portion can be reduced. It is characterized by
- At least one of the facing first end and the second end of the bent portion is continuous with the first main surface, as viewed in a direction orthogonal to the main surface of the stacked battery. It may be configured to have a shape that is recessed inward relative to the end.
- a second main surface portion positioned to be continuous with the region on the opposite side to the region side continuous with the first main surface portion of the bent portion may be further provided.
- the support layer may be bonded to the laminate.
- the support layer may also include at least one material selected from the group consisting of stainless steel, copper and aluminum.
- the support layer may be thicker than the positive electrode current collector included in the positive electrode and the negative electrode current collector included in the negative electrode.
- the exterior body may be a laminate film.
- the peripheral portion of the bent portion having a portion whose width dimension is smaller than the first main surface portion among the peripheral portions of the exterior body.
- FIG. 6 is a development view of the laminated battery shown in FIG. 1 developed with the first main surface portion, the bending portion, and the second main surface portion positioned on the same plane.
- (A) is a plan view of the laminated battery as viewed from the direction of arrow Y1 of FIG. 1 in a state where the peripheral portion of the first main surface is bent,
- (b) is from the direction of arrow Y2 of FIG.
- FIG. 10 is a perspective view showing a laminated type battery of Modification 2; The stack type battery shown in FIG. 10 is developed so that the first main surface portion, the first bent portion, the second main surface portion, the second bent portion, and the third main surface portion are located on the same plane.
- FIG. FIG. 18 is a perspective view showing a laminated type battery of Modification 3;
- a lithium ion secondary battery will be described as an example of the laminated battery of the present invention.
- the laminated battery according to the present invention is not limited to the lithium ion secondary battery.
- FIG. 1 is an external perspective view of the stacked battery 100 according to the first embodiment.
- the stacked battery 100 according to the first embodiment includes a first main surface portion 31 and a bent portion 32 which is a continuous and bent region of the first main surface portion 31 and a bent portion 32. And a second main surface portion 33 positioned to be continuous with the region on the opposite side to the region continuous with the first main surface portion 31.
- first main surface portion 31, the bending portion 32, and the second main surface portion 33 are integrally formed.
- FIGS. 2 and 3 are diagrams for explaining the laminated structure of the laminated battery 100.
- FIG. 2 is a cross-sectional view of the first main surface portion 31.
- FIG. 3 is a laminated structure of the bent portion 32. It is sectional drawing which shows mainly.
- FIG. 4 is a development view of the laminated battery 100 shown in FIG. 1 developed with the first main surface portion 31, the bent portion 32 and the second main surface portion 33 positioned on the same plane. .
- a stack 10 formed by alternately stacking a plurality of positive electrodes 11 and a plurality of negative electrodes 12 with a separator 13 interposed therebetween, and a non-aqueous electrolyte 14 It has a structure housed in the laminate case 20.
- the positive electrode 11 has a positive electrode current collector and a positive electrode mixture layer formed on both sides of the positive electrode current collector.
- a positive electrode current collector for example, a metal foil such as aluminum can be used.
- the positive electrode mixture layer contains a positive electrode active material, and may further contain a binder and a conductive additive.
- lithium cobaltate can be used as the positive electrode active material.
- Each positive electrode 11 is electrically connected to a positive electrode terminal (not shown) protruding from the laminate case 20.
- the positive electrode mixture layer is formed only on the surface on the inner side in the stacking direction of both surfaces of the positive electrode current collector for the positive electrode 11 positioned on the outer side.
- the structure may be
- the negative electrode 12 has a negative electrode current collector and a negative electrode mixture layer formed on both sides of the negative electrode current collector.
- the negative electrode current collector for example, metal foil such as copper can be used.
- the negative electrode mixture layer contains a negative electrode active material, and may further contain a binder and a conductive additive.
- graphite can be used as the negative electrode active material.
- Each negative electrode 12 is electrically connected to a not-shown negative electrode terminal protruding from the laminate case 20.
- the negative electrode mixture layer may be formed only on the surface of
- the separator 13 is interposed between the positive electrode 11 and the negative electrode 12.
- various separators usable for the battery can be used without particular limitation.
- the separator 13 shown in FIG. 1 has a bag-like shape, but may have a sheet-like shape or may have a ninety-nine fold shape.
- the non-aqueous electrolyte 14 may also be any as long as it can be used in a battery, and for example, known non-aqueous electrolytes can be used.
- a solid electrolyte may be used as the non-aqueous electrolyte 14.
- the separator 13 may become unnecessary.
- Laminate case 20 which is an exterior body is formed by thermocompression-bonding and joining the peripheral parts of a pair of laminate films 20a and 20b. That is, the laminate 10 and the non-aqueous electrolyte 14 are enclosed in the laminate case 20 by sealing the peripheral portion 21 of the laminate case 20.
- the inside of the laminate case 20 is decompressed relative to the outside. As a result, the laminate case 20 can be brought into close contact with the laminate 10, and the space effectiveness of the stacked battery 100 can be improved.
- Laminated battery 100 in the present embodiment has a shape in which a plane extending first main surface portion 31 and a plane extending second main surface portion 33 are orthogonal to each other.
- the bending portion 32 has a curved shape that smoothly connects the first main surface portion 31 and the second main surface portion 33 when viewed from the direction along the bending axis X (see FIG. 1).
- the bending portion 32 has a portion narrower than the first major surface portion 31. That is, when the direction along the bending axis X of the bending portion 32 is taken as the width direction, the bending portion 32 has a portion with a smaller width than the first main surface portion 31. In other words, the width L 2 of the narrowest portion of the widths of the portions constituting the bent portion 32 is narrower than the width L 1 of the first major surface portion 31. In addition, about the said width dimension, it also only calls it width below.
- the width L1 of the first major surface portion 31 and the width L3 of the second major surface portion 33 are the same. Therefore, the width L 2 of the narrowest portion of the widths of the portions constituting the bent portion 32 is narrower than the width L 3 of the second major surface portion 33.
- the bent portion 32 when viewed from the direction orthogonal to the main surface of the stacked battery 100, the bent portion 32 is a first member facing the opposing end portions 31 a and 31 b of the first main surface portion 31.
- the end 32a and the second end 32b have an inwardly concave shape.
- the width L2 of the narrowest portion of the bent portion 32 is narrower than the width L1 of the first major surface portion 31.
- the first end 32a and the second end 32b have a curved shape.
- the innermost 321 is at the same position in the width direction as the inner end 311 of the peripheral edge 21a on the end 31a side of the first major surface 31, or It is preferable to be located inside in the width direction.
- 322 located at the innermost position is the same position in the width direction as the inner end 312 of the peripheral edge 21 a on the end 31 b side of the first major surface 31. Or, it is preferable to be located inside in the width direction.
- the peripheral area 21 a of the first main surface 31 of the peripheral area 21 of the laminate case 20 is a plane area of the first main surface 31 in order to improve space effectiveness.
- the peripheral portion 21b of the second main surface 33 can be bent in such a manner that the planar area of the second main surface 33 can be reduced. Is configured.
- the bending direction of the peripheral portions 21a and 21b can be any direction, and is, for example, the direction of the arrow Y3 in FIG.
- FIG. 5A (a) is a plan view of the laminated battery 100 seen from the direction of the arrow Y1 in FIG. 1 with the peripheral edge 21a of the first main surface 31 bent
- FIG. 5A (b) is a view It is a figure which shows the state which bend
- FIG. 5B is a plan view of laminated battery 100 as viewed in the direction of arrow Y2 in FIG. 1 in a state where peripheral portion 21b of second main surface portion 33 is bent.
- the outline in the state which does not bend peripheral part 21a, 21b is shown by the dotted line.
- the first end 32 a and the second end 32 b of the bent portion 32 are recessed inward when viewed from the direction orthogonal to the main surface of the stacked battery 100.
- the peripheral portion 21a of the first main surface portion 31 and the peripheral portion 21b of the second main surface portion 33 are easily bent without the need to bend the peripheral portion 21c of the bent portion 32 in the peripheral portion 21 of the laminate case 20 be able to.
- the laminated battery 100 is accommodated in the battery accommodation space, for example, the battery accommodation space of the electronic device in a state where the peripheral edge 21a of the first main surface 31 and the peripheral edge 21b of the second main surface 33 are bent. Therefore, the storage capacity of the battery can be reduced, and space efficiency can be improved.
- a support plate curved in a desired shape is prepared, and a plurality of negative electrodes, separators and positive electrodes are laminated in this order on the support plate, It can be produced by removing the support plate.
- a plurality of flat negative electrodes, separators and positive electrodes may be stacked in this order and then bent to form a shape as shown in FIG. That is, the present invention is not limited by the method of manufacturing the laminate 10.
- the stacked battery 100 in the present embodiment is a stacked battery having a fixed shape, that is, a curved shape, in the laminate 10, Its shape can not be changed freely.
- the shape corresponding to the shape of the space in which the battery is accommodated can be stably maintained, the space in which the battery should be accommodated can be used without waste, which is significant.
- the stacked battery 100A according to the second embodiment further includes a support layer 60 for supporting the stack 10, as compared to the configuration of the stacked battery 100 according to the first embodiment.
- FIG. 6 is a cross-sectional view showing the stack structure of the first main surface portion 31 of the stack type battery 100A
- FIG. 7 is a cross-sectional view showing the stack structure of the bent portions 32 of the stack type battery 100A.
- the support layer 60 is provided between the electrode (in this example, the negative electrode 12) in the outermost layer and the laminate film 20b constituting the laminate case 20.
- the support layer 60 is bonded to the laminate 10 via, for example, an adhesive layer formed by an adhesive. Thereby, the negative electrode, the separator, and the positive electrode can be stably stacked on the support layer 60 when the stacked battery 100A is manufactured. However, the support layer 60 and the laminate 10 may not be bonded to each other.
- the support layer 60 is preferably formed of a highly rigid material to support the laminate 10, and includes, for example, at least one material selected from the group consisting of stainless steel, copper and aluminum.
- the support layer 60 is thicker than the positive electrode current collector included in the positive electrode 11 and the negative electrode current collector included in the negative electrode 12. With such a configuration, the positive electrode 11 and the negative electrode 12 stacked thereon can be reliably supported and fixed by the support layer 60.
- the support layer 60 curved in a desired shape is prepared, and a plurality of negative electrodes, separators, and positive electrodes are stacked in this order on the support layer 60.
- the laminate 10 can be produced. Thereby, the laminated body 10 which has the bending part 32 can be produced easily.
- the arrangement position of the support layer 60 is not limited to this position.
- it may be at the center in the stacking direction of the stack 10.
- FIG. 8 is a partially enlarged view of a bent portion 32X having another shape when the first main surface portion 31, the bent portion 32X, and the second main surface portion 33 are developed so as to be located on the same plane.
- the bent portion 32X is a first straight portion 81 extending inward from the end portion 31a of the first main surface portion 31, and a second straight portion extending inward from the end portion 33a of the second main surface portion 33.
- the position of the third straight portion 83 of the bent portion 32X in other words, the position of the deepest portion of the above-described inverted trapezoidal cut is the width of the inner end portion 311 of the peripheral portion 21a on the end 31a side of the first main surface portion 31 It is preferable to be located at the same position in the direction or inside in the width direction.
- FIG. 9 is a partially enlarged view of a bending portion 32Y having another shape when the first main surface portion 31, the bending portion 32Y and the second main surface portion 33 are developed so as to be located on the same plane.
- the bent portion 32Y has a shape in which the third straight portion 83 is omitted from the bent portion 32X shown in FIG. 8 and two straight portions 91 and 92 extending inward are connected. That is, the bent portion 32Y shown in FIG. 9 is formed by providing a V-shaped cut on the side.
- connection position 910 of the two straight portions 91 and 92 of the bent portion 32Y in other words, the position of the deepest portion of the V-shaped notch is the inner end of the peripheral portion 21a on the end 31a side of the first main surface 31 It is preferable to be located at the same position as the portion 311 in the width direction, or at the inner side in the width direction.
- FIG. 10 is a perspective view showing a stacked battery 100B of Modification 2.
- 11 shows the laminated battery 100B shown in FIG. 10 in the first main surface portion 101, the first bent portion 102, the second main surface portion 103, the second bent portion 104, and the third main surface portion 105. Is a development view in the case of being developed so as to be located on the same plane.
- Stacked battery 100B includes a first main surface portion 101, a first bent portion 102, a second main surface portion 103, a second bent portion 104, and a third main surface portion 105.
- the first main surface portion 101, the first bent portion 102, and the second main surface portion 103 are the first main surface portion 31, the bent portion 32, and the second main surface portion 33 of the multilayer battery 100 in the first embodiment. , And have the same structure.
- the second bent portion 104 is positioned so as to be continuous with the region of the second major surface portion 103 opposite to the region continuous with the first bent portion 102.
- the third main surface portion 105 is formed to be continuous with the second bent portion 104. That is, the third main surface portion 105 is continuous with the first main surface portion 101 in such a manner that the first bent portion 102, the second main surface portion 103, and the second bent portion 104 are interposed therebetween. It is formed.
- first main surface portion 101, the first bent portion 102, the second main surface portion 103, the second bent portion 104, and the third main surface portion 105 are integrally formed.
- the second bent portion 104 has a portion narrower than the second major surface portion 103. That is, the width L 4 of the narrowest portion of the widths of the portions forming the second bent portion 104 is narrower than the width L 3 of the second major surface portion 103.
- the width L3 of the second major surface portion 103 and the width L5 of the third major surface portion 105 are the same. Therefore, the width L 4 of the narrowest portion of the widths of the portions forming the second bent portion 104 is narrower than the width L 5 of the third major surface portion 105.
- the second bent portion 104 has the same shape as the first bent portion 102, that is, the end portion is curved and has an inwardly concave shape.
- the width L4 of the narrowest portion of the second bent portion 104 is smaller than the width L3 of the second main surface portion 103 and the width L5 of the third main surface portion 105.
- peripheral portion 21c of the first bent portion 102 and the peripheral portion 21e of the second bent portion 104 in the peripheral portion 21 in order to improve the space effectiveness.
- the peripheral portion 21a of the main surface portion 101, the peripheral portion 21b of the second main surface portion 103, and the peripheral portion 21d of the third main surface portion 105 are divided into a first main surface portion 101, a second main surface portion 103, and The third main surface portion 105 is configured to be able to be bent in a manner capable of reducing the planar area.
- FIG. 12 is a perspective view showing a stacked battery 100C of Modification 3.
- the stacked battery 100 shown in FIG. 12 has a shape in which the third main surface portion 105 of the stacked battery 100B shown in FIG. 10 faces the first main surface portion 101. That is, the third main surface portion 105A faces the first main surface portion 101.
- the second major surface portion 33 may be omitted.
- the shapes of the first major surface portion 31 and the second major surface portion 32 may be curved shapes instead of planar shapes.
- the shapes of the first major surface portion 101, the second major surface portion 103, and the third major surface portions 105 and 105A are not planar shapes but curved shapes. It is also good.
- the first end 32 a and the second end 32 b of the bent portion 32 facing each other have a shape in which the first end 32 a and the second end 32 b face each other when viewed in the direction orthogonal to the main surface.
- only one of the ends may be configured to have an inwardly recessed shape.
- only one of the opposing ends of the bent portion may be configured to have an inwardly concave shape.
- the shape of the bending portion continuous with the first main surface portion is not limited to the shapes of the above-described embodiment and the modification.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
L'invention concerne une batterie en couches ayant une configuration dans laquelle un corps en couches 10, ayant une structure selon laquelle une pluralité de pôles positifs et de pôles négatifs sont disposés en couches alternées, est scellé à l'intérieur d'un boîtier externe 20, et une section de bord 21 du boîtier externe 20 est scellée. La batterie en couches est pourvue d'une première section de surface principale 31 et d'une section incurvée 32 qui est une région incurvée contiguë à la première surface principale 31. Si la direction correspondant à l'axe d'incurvation de la section incurvée 32 correspond au sens de la largeur, la section incurvée 32 comporte une partie ayant une largeur plus petite que la première section de surface principale 31, et une section de bord 21a de la première surface principale 31 de la section de bord 21 du boîtier externe 20 peut être incurvée dans un état dans lequel la zone de surface plate de la première section de surface principale 31 peut être réduite.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2017161023 | 2017-08-24 | ||
JP2017-161023 | 2017-08-24 |
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WO2019039409A1 true WO2019039409A1 (fr) | 2019-02-28 |
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PCT/JP2018/030560 WO2019039409A1 (fr) | 2017-08-24 | 2018-08-17 | Batterie en couches |
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Cited By (2)
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JP2022541041A (ja) * | 2019-07-29 | 2022-09-21 | 三星エスディアイ株式会社 | 二次電池 |
CN115244766A (zh) * | 2020-09-28 | 2022-10-25 | 株式会社 Lg新能源 | 软包电池单体和包括该软包电池单体的电池模块 |
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JP2022541041A (ja) * | 2019-07-29 | 2022-09-21 | 三星エスディアイ株式会社 | 二次電池 |
JP7494284B2 (ja) | 2019-07-29 | 2024-06-03 | 三星エスディアイ株式会社 | 二次電池 |
CN115244766A (zh) * | 2020-09-28 | 2022-10-25 | 株式会社 Lg新能源 | 软包电池单体和包括该软包电池单体的电池模块 |
JP2023516315A (ja) * | 2020-09-28 | 2023-04-19 | エルジー エナジー ソリューション リミテッド | パウチ型電池セルおよびこれを含む電池モジュール |
JP7455989B2 (ja) | 2020-09-28 | 2024-03-26 | エルジー エナジー ソリューション リミテッド | パウチ型電池セルおよびこれを含む電池モジュール |
EP4187689A4 (fr) * | 2020-09-28 | 2024-07-31 | LG Energy Solution, Ltd. | Cellule de batterie en forme de poche et module de batterie la comprenant |
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