JP5455136B2 - ゲル化電解質を用いた活物質−電解質複合体及びその作製方法、並びにこの電解質を用いた全固体リチウムイオン二次電池 - Google Patents
ゲル化電解質を用いた活物質−電解質複合体及びその作製方法、並びにこの電解質を用いた全固体リチウムイオン二次電池 Download PDFInfo
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- JP5455136B2 JP5455136B2 JP2012504386A JP2012504386A JP5455136B2 JP 5455136 B2 JP5455136 B2 JP 5455136B2 JP 2012504386 A JP2012504386 A JP 2012504386A JP 2012504386 A JP2012504386 A JP 2012504386A JP 5455136 B2 JP5455136 B2 JP 5455136B2
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- 239000003792 electrolyte Substances 0.000 title claims description 133
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 40
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000002734 clay mineral Substances 0.000 claims description 39
- 239000011149 active material Substances 0.000 claims description 23
- 239000008151 electrolyte solution Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 15
- 239000007772 electrode material Substances 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 12
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 229910021647 smectite Inorganic materials 0.000 claims description 10
- 239000002482 conductive additive Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910000271 hectorite Inorganic materials 0.000 description 16
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 16
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 12
- 230000009974 thixotropic effect Effects 0.000 description 11
- 239000007787 solid Substances 0.000 description 7
- -1 transition metal sulfides Chemical class 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 3
- 235000019241 carbon black Nutrition 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007784 solid electrolyte Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000013008 thixotropic agent Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 229910003480 inorganic solid Inorganic materials 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910008163 Li1+x Mn2-x O4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- QDDVNKWVBSLTMB-UHFFFAOYSA-N [Cu]=O.[Li] Chemical class [Cu]=O.[Li] QDDVNKWVBSLTMB-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- FDLZQPXZHIFURF-UHFFFAOYSA-N [O-2].[Ti+4].[Li+] Chemical compound [O-2].[Ti+4].[Li+] FDLZQPXZHIFURF-UHFFFAOYSA-N 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052626 biotite Inorganic materials 0.000 description 1
- VNSBYDPZHCQWNB-UHFFFAOYSA-N calcium;aluminum;dioxido(oxo)silane;sodium;hydrate Chemical compound O.[Na].[Al].[Ca+2].[O-][Si]([O-])=O VNSBYDPZHCQWNB-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052621 halloysite Inorganic materials 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 229940094522 laponite Drugs 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- XCOBTUNSZUJCDH-UHFFFAOYSA-B lithium magnesium sodium silicate Chemical compound [Li+].[Li+].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3 XCOBTUNSZUJCDH-UHFFFAOYSA-B 0.000 description 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 1
- QEXMICRJPVUPSN-UHFFFAOYSA-N lithium manganese(2+) oxygen(2-) Chemical class [O-2].[Mn+2].[Li+] QEXMICRJPVUPSN-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910000686 lithium vanadium oxide Inorganic materials 0.000 description 1
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229910000273 nontronite Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 229910052628 phlogopite Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
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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
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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
- 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
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- Condensed Matter Physics & Semiconductors (AREA)
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
超音波振動を与えないこと以外は、実施例3記載の方法に従ってリチウムイオン二次電池を組み立て、充放電試験を行った。この場合、充放電の電流値は25.08μA/cm2(0.1Cレートに相当)とした。
(1)ヘクトライト:50mg+DEC:2g+電解液:567mg(ヘクトライト添加量:1.91wt%)
(2)ヘクトライト:100mg+DEC:2g+電解液:567mg(ヘクトライト添加量:3.75wt%)
(3)ヘクトライト:200mg+DEC:2g+電解液:567mg(ヘクトライト添加量:7.23wt%)
(4)ヘクトライト:300mg+DEC:2g+電解液:567mg(ヘクトライト添加量:10.5wt%)
(5)ヘクトライト:450mg+DEC:2g+電解液:567mg(ヘクトライト添加量:14.9wt%)
(6)ヘクトライト:650mg+DEC:2g+電解液:567mg(ヘクトライト添加量:20.2wt%)
13 導電助材 14 集電体
15 ゲル化電解質
Claims (10)
- 活物質、導電助材、及び結着材を所定の割合で混合した電極材料を集電体上に設けてなる電極上に、有機溶媒を含む、リチウムイオン伝導性電解液と膨潤性層状粘土鉱物との混合物からなるゲル化電解質を塗布し、次いでゲル化電解質の塗布された電極に対して、このゲル化電解質が液状化する強さの振動を与え、ゲル化電解質を液状化して電極内へ浸透せしめ、活物質−電解質複合体を作製することを特徴とする活物質−電解質複合体の作製方法。
- 請求項1記載の活物質−電解質複合体の作製方法において、膨潤性層状粘土鉱物は、スメクタイト系層状粘土鉱物、又は雲母系層状粘土鉱物であることを特徴とする活物質−電解質複合体の作製方法。
- 請求項1又は2記載の活物質−電解質複合体の作製方法において、前記膨潤性層状粘土鉱物の前記ゲル化電解質に対する添加量が、2wt%〜10wt%であることを特徴とする活物質−電解質複合体の作製方法。
- 活物質、導電助材、及び結着材を所定の割合で混合した電極材料を集電体上に設けた電極上に、有機溶媒を含む、リチウムイオン伝導性電解液と膨潤性層状粘土鉱物との混合物からなるゲル化電解質を設け、この電極に対して、このゲル化電解質が液状化する強さの振動を与えてなることを特徴とする活物質−電解質複合体。
- 請求項4記載の活物質−電解質複合体において、膨潤性層状粘土鉱物は、スメクタイト系層状粘土鉱物、又は雲母系層状粘土鉱物であることを特徴とする活物質−電解質複合体。
- 請求項4又は5記載の活物質−電解質複合体において、前記膨潤性層状粘土鉱物の前記ゲル化電解質に対する添加量が、2wt%〜10wt%であることを特徴とする活物質−電解質複合体。
- 請求項4〜6のいずれか一項に記載の活物質−電解質複合体を用いたことを特徴とする全固体型リチウムイオン二次電池。
- 請求項4〜6のいずれか一項に記載の活物質−電解質複合体が、正極活物質−電解質複合体であることを特徴とする全固体型リチウムイオン二次電池。
- 請求項4〜6のいずれか一項に記載の活物質−電解質複合体が、負極活物質−電解質複合体であることを特徴とする全固体型リチウムイオン二次電池。
- 請求項4〜6のいずれか一項に記載の活物質−電解質複合体が、正極活物質−電解質複合体及び負極活物質−電解質複合体であることを特徴とする全固体型リチウムイオン二次電池。
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PCT/JP2011/053381 WO2011111495A1 (ja) | 2010-03-10 | 2011-02-17 | ゲル化電解質、この電解質を用いた活物質-電解質複合体及びその作製方法、並びにこの電解質を用いた全固体リチウムイオン二次電池 |
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JPH10269844A (ja) * | 1997-03-27 | 1998-10-09 | Tdk Corp | 固体状電解質とリチウム二次電池と電気二重層キャパシタ |
JPH10289730A (ja) * | 1997-02-17 | 1998-10-27 | Ricoh Co Ltd | 二次電池 |
JP2001266855A (ja) * | 2000-03-23 | 2001-09-28 | Matsushita Battery Industrial Co Ltd | 非水電解質二次電池用電極の製造法および非水電解質二次電池 |
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JPH10289730A (ja) * | 1997-02-17 | 1998-10-27 | Ricoh Co Ltd | 二次電池 |
JPH10269844A (ja) * | 1997-03-27 | 1998-10-09 | Tdk Corp | 固体状電解質とリチウム二次電池と電気二重層キャパシタ |
JP2001266855A (ja) * | 2000-03-23 | 2001-09-28 | Matsushita Battery Industrial Co Ltd | 非水電解質二次電池用電極の製造法および非水電解質二次電池 |
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US11735733B2 (en) | 2019-07-10 | 2023-08-22 | Hyundai Motor Company | Composite negative electrode for all-solid-state battery |
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