CN110148709B - 一种包含导电导锂复合材料包覆正极材料的正极极片的制备方法及锂离子电池 - Google Patents
一种包含导电导锂复合材料包覆正极材料的正极极片的制备方法及锂离子电池 Download PDFInfo
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- CN110148709B CN110148709B CN201910442720.6A CN201910442720A CN110148709B CN 110148709 B CN110148709 B CN 110148709B CN 201910442720 A CN201910442720 A CN 201910442720A CN 110148709 B CN110148709 B CN 110148709B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 99
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 86
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 45
- -1 sulfonic acid structure cations Chemical class 0.000 claims abstract description 42
- 239000007774 positive electrode material Substances 0.000 claims abstract description 36
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 32
- 239000005518 polymer electrolyte Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 14
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000006258 conductive agent Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims abstract description 8
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 7
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 32
- 239000003792 electrolyte Substances 0.000 claims description 27
- 239000012298 atmosphere Substances 0.000 claims description 22
- 239000011261 inert gas Substances 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229920001940 conductive polymer Polymers 0.000 claims description 13
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 claims description 10
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- BVTLTBONLZSBJC-UHFFFAOYSA-N 2,4,6-tris(ethenyl)-2,4,6-trimethyl-1,3,5,2,4,6-trioxatrisilinane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O1 BVTLTBONLZSBJC-UHFFFAOYSA-N 0.000 claims description 9
- QPMLHNVAWXBESP-UHFFFAOYSA-N 3-tris[[ethenyl(dimethyl)silyl]oxy]silylpropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCC[Si](O[Si](C)(C)C=C)(O[Si](C)(C)C=C)O[Si](C)(C)C=C QPMLHNVAWXBESP-UHFFFAOYSA-N 0.000 claims description 9
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002041 carbon nanotube Substances 0.000 claims description 9
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 9
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical group C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005470 impregnation Methods 0.000 claims description 8
- 229910013872 LiPF Inorganic materials 0.000 claims description 7
- 101150058243 Lipf gene Proteins 0.000 claims description 7
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 claims description 6
- VMAWODUEPLAHOE-UHFFFAOYSA-N 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 VMAWODUEPLAHOE-UHFFFAOYSA-N 0.000 claims description 6
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims description 6
- MFWYAJVOUCTAQI-UHFFFAOYSA-N bis[[ethenyl(dimethyl)silyl]oxy]-dimethylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C=C MFWYAJVOUCTAQI-UHFFFAOYSA-N 0.000 claims description 6
- KKZSBFWLCPRELF-UHFFFAOYSA-N ethenyl-[2-[ethenyl(dimethyl)silyl]ethyl]-dimethylsilane Chemical compound C=C[Si](C)(C)CC[Si](C)(C)C=C KKZSBFWLCPRELF-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 6
- 125000000962 organic group Chemical group 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 6
- YQPHUWZVHLZEPI-UHFFFAOYSA-N tris[[ethenyl(dimethyl)silyl]oxy]-methylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(O[Si](C)(C)C=C)O[Si](C)(C)C=C YQPHUWZVHLZEPI-UHFFFAOYSA-N 0.000 claims description 6
- XYVYGTWMOAIWOG-UHFFFAOYSA-N tris[[ethenyl(dimethyl)silyl]oxy]-phenylsilane Chemical compound C=C[Si](C)(C)O[Si](O[Si](C)(C)C=C)(O[Si](C)(C)C=C)C1=CC=CC=C1 XYVYGTWMOAIWOG-UHFFFAOYSA-N 0.000 claims description 6
- VMSBGXAJJLPWKV-UHFFFAOYSA-N 2-ethenylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1C=C VMSBGXAJJLPWKV-UHFFFAOYSA-N 0.000 claims description 4
- PDFSXHZXNZCKNF-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8-dodecafluorodeca-1,9-diene Chemical group C=CC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C=C PDFSXHZXNZCKNF-UHFFFAOYSA-N 0.000 claims description 4
- XRSMAKAYKVRPSA-UHFFFAOYSA-N 3,3,4,4,5,5,6,6-octafluoroocta-1,7-diene Chemical compound C=CC(F)(F)C(F)(F)C(F)(F)C(F)(F)C=C XRSMAKAYKVRPSA-UHFFFAOYSA-N 0.000 claims description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 229910015013 LiAsF Inorganic materials 0.000 claims description 4
- QRHCILLLMDEFSD-UHFFFAOYSA-N bis(ethenyl)-dimethylsilane Chemical group C=C[Si](C)(C)C=C QRHCILLLMDEFSD-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical group [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 4
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 4
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 4
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- XFTALRAZSCGSKN-UHFFFAOYSA-M sodium;4-ethenylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(C=C)C=C1 XFTALRAZSCGSKN-UHFFFAOYSA-M 0.000 claims description 4
- BWYYYTVSBPRQCN-UHFFFAOYSA-M sodium;ethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=C BWYYYTVSBPRQCN-UHFFFAOYSA-M 0.000 claims description 4
- FUJPAQRDHMJPBB-UHFFFAOYSA-N tris(ethenyl)-phenylsilane Chemical compound C=C[Si](C=C)(C=C)C1=CC=CC=C1 FUJPAQRDHMJPBB-UHFFFAOYSA-N 0.000 claims description 4
- UAVQBNTWBGIJRO-UHFFFAOYSA-N 1,2,4-triethylcyclohexane Chemical compound CCC1CCC(CC)C(CC)C1 UAVQBNTWBGIJRO-UHFFFAOYSA-N 0.000 claims description 3
- PRJNEUBECVAVAG-UHFFFAOYSA-N 1,3-bis(ethenyl)benzene Chemical compound C=CC1=CC=CC(C=C)=C1 PRJNEUBECVAVAG-UHFFFAOYSA-N 0.000 claims description 3
- IBVPVTPPYGGAEL-UHFFFAOYSA-N 1,3-bis(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC=CC(C(C)=C)=C1 IBVPVTPPYGGAEL-UHFFFAOYSA-N 0.000 claims description 3
- JDLPYWQTHJDXFQ-UHFFFAOYSA-N 2,4,6,8,10,12-hexakis(ethenyl)-2,4,6,8,10,12-hexamethyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,10,12-hexasilacyclododecane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 JDLPYWQTHJDXFQ-UHFFFAOYSA-N 0.000 claims description 3
- ZBXBDQPVXIIXJS-UHFFFAOYSA-N 2,4,6,8,10-pentakis(ethenyl)-2,4,6,8,10-pentamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 ZBXBDQPVXIIXJS-UHFFFAOYSA-N 0.000 claims description 3
- TWALPEXSVOIFMC-UHFFFAOYSA-N 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane Chemical compound C=C[Si]1(C)N[Si](C)(C=C)N[Si](C)(C=C)N[Si](C)(C=C)N1 TWALPEXSVOIFMC-UHFFFAOYSA-N 0.000 claims description 3
- OHZORFZODBFHKN-UHFFFAOYSA-N 9,10-bis(ethenyl)anthracene Chemical compound C1=CC=C2C(C=C)=C(C=CC=C3)C3=C(C=C)C2=C1 OHZORFZODBFHKN-UHFFFAOYSA-N 0.000 claims description 3
- OHYZAXNDAOHLDC-UHFFFAOYSA-N C(=C)(C)C(CC)O[Si](C=C)(OC(CC)C(=C)C)OC(CC)C(=C)C Chemical compound C(=C)(C)C(CC)O[Si](C=C)(OC(CC)C(=C)C)OC(CC)C(=C)C OHYZAXNDAOHLDC-UHFFFAOYSA-N 0.000 claims description 3
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- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 claims description 3
- WYUIWUCVZCRTRH-UHFFFAOYSA-N [[[ethenyl(dimethyl)silyl]amino]-dimethylsilyl]ethene Chemical compound C=C[Si](C)(C)N[Si](C)(C)C=C WYUIWUCVZCRTRH-UHFFFAOYSA-N 0.000 claims description 3
- QYJHBNLRANFWHO-UHFFFAOYSA-N [ethenyl-[(ethenyl-methyl-phenylsilyl)amino]-methylsilyl]benzene Chemical compound C=1C=CC=CC=1[Si](C)(C=C)N[Si](C)(C=C)C1=CC=CC=C1 QYJHBNLRANFWHO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- FSIJKGMIQTVTNP-UHFFFAOYSA-N bis(ethenyl)-methyl-trimethylsilyloxysilane Chemical compound C[Si](C)(C)O[Si](C)(C=C)C=C FSIJKGMIQTVTNP-UHFFFAOYSA-N 0.000 claims description 3
- VTXMEXQKYKOHEN-UHFFFAOYSA-N bis[[ethenyl(dimethyl)silyl]oxy]-methyl-phenylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(O[Si](C)(C)C=C)C1=CC=CC=C1 VTXMEXQKYKOHEN-UHFFFAOYSA-N 0.000 claims description 3
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 3
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- NNKJLYMBVRDUEI-UHFFFAOYSA-N chloro-tris(ethenyl)silane Chemical compound C=C[Si](Cl)(C=C)C=C NNKJLYMBVRDUEI-UHFFFAOYSA-N 0.000 claims description 3
- NWQIWFOQNHTTIA-UHFFFAOYSA-N diethoxy-bis(prop-2-enyl)silane Chemical compound CCO[Si](CC=C)(CC=C)OCC NWQIWFOQNHTTIA-UHFFFAOYSA-N 0.000 claims description 3
- OKVJWADVFPXWQD-UHFFFAOYSA-N difluoroborinic acid Chemical compound OB(F)F OKVJWADVFPXWQD-UHFFFAOYSA-N 0.000 claims description 3
- KPWVUBSQUODFPP-UHFFFAOYSA-N ethenyl-(ethenyl-methyl-phenylsilyl)oxy-methyl-phenylsilane Chemical compound C=1C=CC=CC=1[Si](C)(C=C)O[Si](C)(C=C)C1=CC=CC=C1 KPWVUBSQUODFPP-UHFFFAOYSA-N 0.000 claims description 3
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- OKRHFHKKGAYXRF-UHFFFAOYSA-N ethenyl-[ethenyl-bis(trimethylsilyloxy)silyl]oxy-bis(trimethylsilyloxy)silane Chemical compound C[Si](C)(C)O[Si](O[Si](C)(C)C)(C=C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C=C OKRHFHKKGAYXRF-UHFFFAOYSA-N 0.000 claims description 3
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- UUGMOKFRPLZWLR-UHFFFAOYSA-N hexa-1,5-dienylbenzene Chemical compound C=CCCC=CC1=CC=CC=C1 UUGMOKFRPLZWLR-UHFFFAOYSA-N 0.000 claims description 3
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 claims description 3
- IGILRSKEFZLPKG-UHFFFAOYSA-M lithium;difluorophosphinate Chemical compound [Li+].[O-]P(F)(F)=O IGILRSKEFZLPKG-UHFFFAOYSA-M 0.000 claims description 3
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- IENQTDRUPBYCHN-UHFFFAOYSA-N tetrakis(2-methylprop-1-enylsilyl) silicate Chemical compound CC(=C[SiH2]O[Si](O[SiH2]C=C(C)C)(O[SiH2]C=C(C)C)O[SiH2]C=C(C)C)C IENQTDRUPBYCHN-UHFFFAOYSA-N 0.000 claims description 3
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- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
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- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229920001688 coating polymer Polymers 0.000 description 1
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- LQUHUUJEEHDUMZ-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]-dimethylsilane Chemical compound C=C[Si](C)(C)[Si](C)(C)C=C LQUHUUJEEHDUMZ-UHFFFAOYSA-N 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
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- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
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- 150000003624 transition metals Chemical class 0.000 description 1
- PGOLTJPQCISRTO-UHFFFAOYSA-N vinyllithium Chemical compound [Li]C=C PGOLTJPQCISRTO-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
-
- 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
-
- 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
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
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CN112635707A (zh) * | 2019-09-24 | 2021-04-09 | 中航锂电技术研究院有限公司 | 一种锂硫电池的复合正极、其制备方法及锂硫电池 |
CN111342050A (zh) * | 2020-03-06 | 2020-06-26 | 上海汽车集团股份有限公司 | 一种提高锂离子电池正极材料离子电导率的包覆方法以及包覆改性的正极材料 |
CN113540413B (zh) * | 2020-04-17 | 2023-06-30 | 贝特瑞新材料集团股份有限公司 | 正极材料、正极片、锂离子电池及其制备方法 |
CN112164774A (zh) * | 2020-09-08 | 2021-01-01 | 合肥国轩高科动力能源有限公司 | 一种复合高镍三元正极材料及其制备方法 |
CN112599779A (zh) * | 2020-12-15 | 2021-04-02 | 上海华谊(集团)公司 | 双层包覆的锂离子电池正极材料及其制备方法 |
CN112786824B (zh) * | 2021-01-26 | 2022-04-01 | 武汉大学 | 一种基于亲核反应的锂离子电池正极材料表面修饰方法 |
CN112786871B (zh) * | 2021-02-18 | 2022-03-29 | Oppo广东移动通信有限公司 | 硅基负极材料及其制备方法、负极、电池和电子设备 |
CN112952099B (zh) * | 2021-03-05 | 2022-09-27 | 华中科技大学 | 一种锂电池复合正极及其制备方法 |
CN113823799B (zh) * | 2021-09-26 | 2023-10-20 | 珠海冠宇电池股份有限公司 | 一种有机包覆层及含有该包覆层的电极活性材料和锂离子电池 |
CN114400306B (zh) * | 2021-12-20 | 2023-10-03 | 惠州亿纬锂能股份有限公司 | 一种硅基复合负极材料及其制备方法和电化学储能装置 |
CN114551826B (zh) * | 2022-01-18 | 2023-08-01 | 惠州锂威新能源科技有限公司 | 包覆改性的钴酸锂材料及其制备方法、正极片及锂离子电池 |
CN115000356B (zh) * | 2022-06-17 | 2024-07-23 | 上海大学 | 一种硅电极及其制备方法和应用 |
CN115020672B (zh) * | 2022-06-30 | 2024-03-12 | 广东邦普循环科技有限公司 | 一种钴酸锂正极材料及其制备方法与应用 |
CN117013058B (zh) * | 2023-09-28 | 2024-01-12 | 广东工业大学 | 基于金属-有机框架的固态电解质及其制备方法与应用 |
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CN104953088A (zh) * | 2015-05-20 | 2015-09-30 | 宁德时代新能源科技有限公司 | 正极片、其制备方法以及包含该正极片的锂离子电池 |
JP5809946B2 (ja) * | 2011-11-30 | 2015-11-11 | 株式会社日立製作所 | リチウム二次電池正極活物質用被覆材、リチウム二次電池正極活物質、リチウム二次電池、および、それらの製造方法 |
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Inventor after: Tang Weichao Inventor after: Li Suli Inventor after: Zhao Wei Inventor after: Yuan Hao Inventor after: Li Junyi Inventor after: Xu Yanming Inventor after: Zuo Pengjian Inventor before: Tang Weichao Inventor before: Li Suli Inventor before: Zhao Wei Inventor before: Yuan Hao Inventor before: Li Junyi Inventor before: Xu Yanming |