JP2005243448A - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
- Publication number
- JP2005243448A JP2005243448A JP2004051982A JP2004051982A JP2005243448A JP 2005243448 A JP2005243448 A JP 2005243448A JP 2004051982 A JP2004051982 A JP 2004051982A JP 2004051982 A JP2004051982 A JP 2004051982A JP 2005243448 A JP2005243448 A JP 2005243448A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- active material
- graphitizable carbon
- electrolyte secondary
- secondary battery
- 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
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 60
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007774 positive electrode material Substances 0.000 claims abstract description 36
- 229910021469 graphitizable carbon Inorganic materials 0.000 claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 31
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007773 negative electrode material Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 claims description 55
- 239000002131 composite material Substances 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052596 spinel Inorganic materials 0.000 abstract description 23
- 239000011029 spinel Substances 0.000 abstract description 23
- 238000007600 charging Methods 0.000 description 36
- 230000000052 comparative effect Effects 0.000 description 25
- 238000007599 discharging Methods 0.000 description 17
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 12
- 239000008151 electrolyte solution Substances 0.000 description 12
- -1 Mn 2 O 3 Chemical class 0.000 description 11
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 7
- 229910013870 LiPF 6 Inorganic materials 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 239000012046 mixed solvent Substances 0.000 description 6
- 239000002003 electrode paste Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 4
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 4
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 4
- 229910013063 LiBF 4 Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910021445 lithium manganese complex oxide Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011301 petroleum pitch Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910003174 MnOOH Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical group [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000009782 nail-penetration test Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910006290 γ-MnOOH Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004051982A JP2005243448A (ja) | 2004-02-26 | 2004-02-26 | 非水電解質二次電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004051982A JP2005243448A (ja) | 2004-02-26 | 2004-02-26 | 非水電解質二次電池 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005243448A true JP2005243448A (ja) | 2005-09-08 |
| JP2005243448A5 JP2005243448A5 (enExample) | 2007-03-29 |
Family
ID=35024954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004051982A Pending JP2005243448A (ja) | 2004-02-26 | 2004-02-26 | 非水電解質二次電池 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005243448A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266706A (ja) * | 2008-04-28 | 2009-11-12 | Hitachi Vehicle Energy Ltd | リチウムイオン二次電池 |
| JP2009266708A (ja) * | 2008-04-28 | 2009-11-12 | Hitachi Vehicle Energy Ltd | リチウム二次電池 |
| WO2015190480A1 (ja) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | リチウムイオン二次電池 |
| WO2015190482A1 (ja) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | リチウムイオン電池 |
| JP2018056082A (ja) * | 2016-09-30 | 2018-04-05 | 三洋電機株式会社 | 非水電解質二次電池 |
| WO2023073480A1 (ja) * | 2021-10-26 | 2023-05-04 | 株式会社半導体エネルギー研究所 | リチウムイオン電池 |
| US12166206B2 (en) | 2018-07-19 | 2024-12-10 | Gs Yuasa International Ltd. | Nonaqueous electrolyte energy storage device and energy storage apparatus |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000090982A (ja) * | 1998-07-14 | 2000-03-31 | Denso Corp | 非水電解質二次電池 |
| JP2001110456A (ja) * | 1999-10-14 | 2001-04-20 | Ngk Insulators Ltd | リチウム二次電池と捲回型電極体の作製方法 |
| JP2001118569A (ja) * | 1999-10-19 | 2001-04-27 | Hitachi Ltd | リチウム二次電池 |
| JP2001319695A (ja) * | 2000-05-11 | 2001-11-16 | Japan Storage Battery Co Ltd | リチウム二次電池 |
| JP2002110155A (ja) * | 2000-09-27 | 2002-04-12 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
| JP2002198101A (ja) * | 2000-12-26 | 2002-07-12 | Shin Kobe Electric Mach Co Ltd | 非水電解液二次電池 |
| JP2003045497A (ja) * | 2001-08-01 | 2003-02-14 | Sony Corp | 非水電解液電池およびその製造方法 |
| JP2003115326A (ja) * | 2001-10-03 | 2003-04-18 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
| JP2003346904A (ja) * | 2002-05-29 | 2003-12-05 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
-
2004
- 2004-02-26 JP JP2004051982A patent/JP2005243448A/ja active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000090982A (ja) * | 1998-07-14 | 2000-03-31 | Denso Corp | 非水電解質二次電池 |
| JP2001110456A (ja) * | 1999-10-14 | 2001-04-20 | Ngk Insulators Ltd | リチウム二次電池と捲回型電極体の作製方法 |
| JP2001118569A (ja) * | 1999-10-19 | 2001-04-27 | Hitachi Ltd | リチウム二次電池 |
| JP2001319695A (ja) * | 2000-05-11 | 2001-11-16 | Japan Storage Battery Co Ltd | リチウム二次電池 |
| JP2002110155A (ja) * | 2000-09-27 | 2002-04-12 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
| JP2002198101A (ja) * | 2000-12-26 | 2002-07-12 | Shin Kobe Electric Mach Co Ltd | 非水電解液二次電池 |
| JP2003045497A (ja) * | 2001-08-01 | 2003-02-14 | Sony Corp | 非水電解液電池およびその製造方法 |
| JP2003115326A (ja) * | 2001-10-03 | 2003-04-18 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
| JP2003346904A (ja) * | 2002-05-29 | 2003-12-05 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266706A (ja) * | 2008-04-28 | 2009-11-12 | Hitachi Vehicle Energy Ltd | リチウムイオン二次電池 |
| JP2009266708A (ja) * | 2008-04-28 | 2009-11-12 | Hitachi Vehicle Energy Ltd | リチウム二次電池 |
| WO2015190480A1 (ja) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | リチウムイオン二次電池 |
| WO2015190482A1 (ja) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | リチウムイオン電池 |
| CN106463765A (zh) * | 2014-06-10 | 2017-02-22 | 日立化成株式会社 | 锂离子电池 |
| JPWO2015190482A1 (ja) * | 2014-06-10 | 2017-04-20 | 日立化成株式会社 | リチウムイオン電池 |
| JPWO2015190480A1 (ja) * | 2014-06-10 | 2017-04-20 | 日立化成株式会社 | リチウムイオン二次電池 |
| US10090521B2 (en) | 2014-06-10 | 2018-10-02 | Hitachi Chemical Company, Ltd. | Lithium ion battery with negative electrode in which state of charge at a potential to be 0.1 V with respect lithium potential is 60% or more, and positive electrode having a density positive electrode composite of 2.4 to 2.7 g/cm3 |
| JP2018056082A (ja) * | 2016-09-30 | 2018-04-05 | 三洋電機株式会社 | 非水電解質二次電池 |
| US12166206B2 (en) | 2018-07-19 | 2024-12-10 | Gs Yuasa International Ltd. | Nonaqueous electrolyte energy storage device and energy storage apparatus |
| WO2023073480A1 (ja) * | 2021-10-26 | 2023-05-04 | 株式会社半導体エネルギー研究所 | リチウムイオン電池 |
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Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20051213 |
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| A521 | Written amendment |
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