JP7663512B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP7663512B2 JP7663512B2 JP2021567289A JP2021567289A JP7663512B2 JP 7663512 B2 JP7663512 B2 JP 7663512B2 JP 2021567289 A JP2021567289 A JP 2021567289A JP 2021567289 A JP2021567289 A JP 2021567289A JP 7663512 B2 JP7663512 B2 JP 7663512B2
- Authority
- JP
- Japan
- Prior art keywords
- separator
- electrode
- layer
- negative electrode
- positive electrode
- 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.)
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Links
- 239000010410 layer Substances 0.000 claims description 95
- 229920005989 resin Polymers 0.000 claims description 31
- 239000011347 resin Substances 0.000 claims description 31
- 239000012790 adhesive layer Substances 0.000 claims description 15
- 239000010954 inorganic particle Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 38
- 239000000758 substrate Substances 0.000 description 20
- 238000007789 sealing Methods 0.000 description 13
- 239000011230 binding agent Substances 0.000 description 11
- -1 lithium transition metal Chemical class 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000011255 nonaqueous electrolyte Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000003125 aqueous solvent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000002905 metal composite material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000002388 carbon-based active material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000010220 ion permeability Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910001593 boehmite Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000002409 silicon-based active material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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
- H01M50/103—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/122—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
- H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019237660 | 2019-12-27 | ||
| JP2019237660 | 2019-12-27 | ||
| PCT/JP2020/046642 WO2021131880A1 (ja) | 2019-12-27 | 2020-12-15 | 二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021131880A1 JPWO2021131880A1 (https=) | 2021-07-01 |
| JPWO2021131880A5 JPWO2021131880A5 (https=) | 2022-08-24 |
| JP7663512B2 true JP7663512B2 (ja) | 2025-04-16 |
Family
ID=76574563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021567289A Active JP7663512B2 (ja) | 2019-12-27 | 2020-12-15 | 二次電池 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230042848A1 (https=) |
| JP (1) | JP7663512B2 (https=) |
| CN (1) | CN114902462B (https=) |
| WO (1) | WO2021131880A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220109204A1 (en) * | 2020-10-02 | 2022-04-07 | American Lithium Energy Corporation | Impact resistant battery cell |
| WO2023043180A1 (ko) * | 2021-09-16 | 2023-03-23 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이의 제조 장치, 및 이의 제조 방법 |
| EP4152455B1 (en) | 2021-09-16 | 2025-12-31 | LG Energy Solution, Ltd. | SET OF ELECTRODES INTENDED FOR USE IN A BATTERY, APPARATUS FOR MANUFACTURING THEM AND THE METHOD FOR MANUFACTURING THEM |
| JP7782577B2 (ja) * | 2021-09-16 | 2025-12-09 | エルジー エナジー ソリューション リミテッド | 電極組立体、その製造装置、およびその製造方法 |
| WO2023043177A1 (ko) * | 2021-09-16 | 2023-03-23 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이의 제조 장치, 및 이의 제조 방법 |
| WO2025070647A1 (ja) * | 2023-09-29 | 2025-04-03 | パナソニックＩｐマネジメント株式会社 | 非水電解質二次電池 |
| WO2025070646A1 (ja) * | 2023-09-29 | 2025-04-03 | パナソニックＩｐマネジメント株式会社 | リチウム二次電池 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007165248A (ja) | 2005-12-16 | 2007-06-28 | Sony Corp | 二次電池 |
| JP2007172975A (ja) | 2005-12-21 | 2007-07-05 | Nec Tokin Corp | 非水電解質二次電池 |
| JP2013145678A (ja) | 2012-01-13 | 2013-07-25 | Hitachi Maxell Ltd | 非水電解質二次電池 |
| JP2013218913A (ja) | 2012-04-10 | 2013-10-24 | Toyota Motor Corp | 非水電解質二次電池 |
| JP2014127242A (ja) | 2012-12-25 | 2014-07-07 | Hitachi Maxell Ltd | リチウム二次電池 |
| US20150104684A1 (en) | 2013-10-16 | 2015-04-16 | Samsung Sdi Co., Ltd. | Secondary battery |
| JP2016100270A (ja) | 2014-11-25 | 2016-05-30 | 株式会社Ｇｓユアサ | 蓄電素子 |
| JP2018018712A (ja) | 2016-07-28 | 2018-02-01 | 三洋電機株式会社 | 二次電池の製造方法 |
| WO2019064740A1 (ja) | 2017-09-29 | 2019-04-04 | Ｎｅｃエナジーデバイス株式会社 | 二次電池 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3225864B2 (ja) * | 1996-12-04 | 2001-11-05 | 三菱電機株式会社 | リチウムイオン二次電池及びその製造方法 |
| JP2003123843A (ja) * | 2001-10-05 | 2003-04-25 | Sony Corp | 電池及びその製造方法 |
| KR100529097B1 (ko) * | 2003-06-16 | 2005-11-16 | 삼성에스디아이 주식회사 | 이차 전지 |
| US20060257728A1 (en) * | 2003-08-08 | 2006-11-16 | Rovcal, Inc. | Separators for use in alkaline cells having high capacity |
| KR100876270B1 (ko) * | 2007-03-19 | 2008-12-26 | 삼성에스디아이 주식회사 | 이차 전지 |
| JP5337550B2 (ja) * | 2008-03-31 | 2013-11-06 | 日東電工株式会社 | 電池用セパレータとこれを用いてなる電池 |
| CN201294244Y (zh) * | 2008-10-10 | 2009-08-19 | 比亚迪股份有限公司 | 一种锂离子电池 |
| WO2012120608A1 (ja) * | 2011-03-07 | 2012-09-13 | 日立マクセル株式会社 | 電池用セパレータおよび電池 |
| JP5953549B2 (ja) * | 2012-05-24 | 2016-07-20 | エリーパワー株式会社 | リチウムイオン電池 |
| WO2015083389A1 (ja) * | 2013-12-06 | 2015-06-11 | Ｎｅｃエナジーデバイス株式会社 | リチウムイオン二次電池 |
| CN106463779B (zh) * | 2014-04-09 | 2019-02-26 | Nec 能源元器件株式会社 | 锂离子二次电池 |
| JP6583711B2 (ja) * | 2015-03-17 | 2019-10-02 | 株式会社Ｇｓユアサ | 蓄電素子 |
| JP6436027B2 (ja) * | 2015-09-16 | 2018-12-12 | トヨタ自動車株式会社 | リチウムイオン電池 |
| KR102312279B1 (ko) * | 2016-10-17 | 2021-10-12 | 삼성에스디아이 주식회사 | 이차전지 |
| JP6620943B2 (ja) * | 2016-10-25 | 2019-12-18 | トヨタ自動車株式会社 | 積層型電極体の製造方法 |
| WO2018207530A1 (ja) * | 2017-05-12 | 2018-11-15 | パナソニック株式会社 | 非水電解質二次電池 |
| KR20190071129A (ko) * | 2017-12-14 | 2019-06-24 | 주식회사 엘지화학 | 전극 조립체 및 이를 포함하는 이차전지 |
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2020
- 2020-12-15 JP JP2021567289A patent/JP7663512B2/ja active Active
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Patent Citations (9)
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| JP2007165248A (ja) | 2005-12-16 | 2007-06-28 | Sony Corp | 二次電池 |
| JP2007172975A (ja) | 2005-12-21 | 2007-07-05 | Nec Tokin Corp | 非水電解質二次電池 |
| JP2013145678A (ja) | 2012-01-13 | 2013-07-25 | Hitachi Maxell Ltd | 非水電解質二次電池 |
| JP2013218913A (ja) | 2012-04-10 | 2013-10-24 | Toyota Motor Corp | 非水電解質二次電池 |
| JP2014127242A (ja) | 2012-12-25 | 2014-07-07 | Hitachi Maxell Ltd | リチウム二次電池 |
| US20150104684A1 (en) | 2013-10-16 | 2015-04-16 | Samsung Sdi Co., Ltd. | Secondary battery |
| JP2016100270A (ja) | 2014-11-25 | 2016-05-30 | 株式会社Ｇｓユアサ | 蓄電素子 |
| JP2018018712A (ja) | 2016-07-28 | 2018-02-01 | 三洋電機株式会社 | 二次電池の製造方法 |
| WO2019064740A1 (ja) | 2017-09-29 | 2019-04-04 | Ｎｅｃエナジーデバイス株式会社 | 二次電池 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2021131880A1 (https=) | 2021-07-01 |
| CN114902462B (zh) | 2025-11-11 |
| CN114902462A (zh) | 2022-08-12 |
| WO2021131880A1 (ja) | 2021-07-01 |
| US20230042848A1 (en) | 2023-02-09 |
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