JP2008539548A - 混合塩を含む非水電解液 - Google Patents
混合塩を含む非水電解液 Download PDFInfo
- Publication number
- JP2008539548A JP2008539548A JP2008508866A JP2008508866A JP2008539548A JP 2008539548 A JP2008539548 A JP 2008539548A JP 2008508866 A JP2008508866 A JP 2008508866A JP 2008508866 A JP2008508866 A JP 2008508866A JP 2008539548 A JP2008539548 A JP 2008539548A
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- JP
- Japan
- Prior art keywords
- secondary battery
- carbonate
- phosphate
- methyl
- lithium
- 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
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- 150000003839 salts Chemical class 0.000 title claims abstract description 44
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 21
- 239000003792 electrolyte Substances 0.000 claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 18
- 239000008151 electrolyte solution Substances 0.000 claims description 17
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 15
- -1 peroxide salt Chemical class 0.000 claims description 14
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 229910003002 lithium salt Inorganic materials 0.000 claims description 9
- 159000000002 lithium salts Chemical class 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 8
- 239000003125 aqueous solvent Substances 0.000 claims description 8
- 229910013872 LiPF Inorganic materials 0.000 claims description 7
- 101150058243 Lipf gene Proteins 0.000 claims description 7
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 claims description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- XUPYJHCZDLZNFP-UHFFFAOYSA-N butyl butanoate Chemical compound CCCCOC(=O)CCC XUPYJHCZDLZNFP-UHFFFAOYSA-N 0.000 claims description 6
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 claims description 6
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 claims description 6
- DEUISMFZZMAAOJ-UHFFFAOYSA-N lithium dihydrogen borate oxalic acid Chemical group B([O-])(O)O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] DEUISMFZZMAAOJ-UHFFFAOYSA-N 0.000 claims description 6
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 5
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 claims description 5
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 5
- 229910003455 mixed metal oxide Inorganic materials 0.000 claims description 5
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 5
- JLEXUIVKURIPFI-UHFFFAOYSA-N tris phosphate Chemical compound OP(O)(O)=O.OCC(N)(CO)CO JLEXUIVKURIPFI-UHFFFAOYSA-N 0.000 claims description 5
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 4
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 4
- 229910013075 LiBF Inorganic materials 0.000 claims description 4
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 4
- 229910014689 LiMnO Inorganic materials 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 101150004907 litaf gene Proteins 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 claims description 3
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims description 3
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
- GDXHBFHOEYVPED-UHFFFAOYSA-N 1-(2-butoxyethoxy)butane Chemical compound CCCCOCCOCCCC GDXHBFHOEYVPED-UHFFFAOYSA-N 0.000 claims description 3
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 claims description 3
- HFZLSTDPRQSZCQ-UHFFFAOYSA-N 1-pyrrolidin-3-ylpyrrolidine Chemical compound C1CCCN1C1CNCC1 HFZLSTDPRQSZCQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000004206 2,2,2-trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 claims description 3
- UHOPWFKONJYLCF-UHFFFAOYSA-N 2-(2-sulfanylethyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCS)C(=O)C2=C1 UHOPWFKONJYLCF-UHFFFAOYSA-N 0.000 claims description 3
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 claims description 3
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 3
- ALZLTHLQMAFAPA-UHFFFAOYSA-N 3-Methylbutyrolactone Chemical compound CC1COC(=O)C1 ALZLTHLQMAFAPA-UHFFFAOYSA-N 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 claims description 3
- JGFBQFKZKSSODQ-UHFFFAOYSA-N Isothiocyanatocyclopropane Chemical compound S=C=NC1CC1 JGFBQFKZKSSODQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 3
- VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 claims description 3
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 claims description 3
- 229940043232 butyl acetate Drugs 0.000 claims description 3
- PWLNAUNEAKQYLH-UHFFFAOYSA-N butyric acid octyl ester Natural products CCCCCCCCOC(=O)CCC PWLNAUNEAKQYLH-UHFFFAOYSA-N 0.000 claims description 3
- QLVWOKQMDLQXNN-UHFFFAOYSA-N dibutyl carbonate Chemical compound CCCCOC(=O)OCCCC QLVWOKQMDLQXNN-UHFFFAOYSA-N 0.000 claims description 3
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 claims description 3
- 229940093499 ethyl acetate Drugs 0.000 claims description 3
- CYEDOLFRAIXARV-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound CCCOC(=O)OCC CYEDOLFRAIXARV-UHFFFAOYSA-N 0.000 claims description 3
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 claims description 3
- 229940017219 methyl propionate Drugs 0.000 claims description 3
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 claims description 3
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 3
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 claims description 3
- 229960000380 propiolactone Drugs 0.000 claims description 3
- 229940090181 propyl acetate Drugs 0.000 claims description 3
- HUAZGNHGCJGYNP-UHFFFAOYSA-N propyl butyrate Chemical compound CCCOC(=O)CCC HUAZGNHGCJGYNP-UHFFFAOYSA-N 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 3
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 3
- SFENPMLASUEABX-UHFFFAOYSA-N trihexyl phosphate Chemical compound CCCCCCOP(=O)(OCCCCCC)OCCCCCC SFENPMLASUEABX-UHFFFAOYSA-N 0.000 claims description 3
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims description 3
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 3
- OXFUXNFMHFCELM-UHFFFAOYSA-N tripropan-2-yl phosphate Chemical compound CC(C)OP(=O)(OC(C)C)OC(C)C OXFUXNFMHFCELM-UHFFFAOYSA-N 0.000 claims description 3
- RXPQRKFMDQNODS-UHFFFAOYSA-N tripropyl phosphate Chemical compound CCCOP(=O)(OCCC)OCCC RXPQRKFMDQNODS-UHFFFAOYSA-N 0.000 claims description 3
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 3
- UWCUSUZNGKWSSZ-UHFFFAOYSA-N 2,2-difluoropropanedioic acid oxalic acid Chemical compound C(C(=O)O)(=O)O.FC(C(=O)O)(C(=O)O)F UWCUSUZNGKWSSZ-UHFFFAOYSA-N 0.000 claims description 2
- IYOMQTGPEVJQDR-UHFFFAOYSA-N B([O-])(O)O.[Li+].C(CC(=O)O)(=O)O.C(CC(=O)O)(=O)O Chemical compound B([O-])(O)O.[Li+].C(CC(=O)O)(=O)O.C(CC(=O)O)(=O)O IYOMQTGPEVJQDR-UHFFFAOYSA-N 0.000 claims description 2
- 229910011939 Li2.6 Co0.4 N Inorganic materials 0.000 claims description 2
- 229910010199 LiAl Inorganic materials 0.000 claims description 2
- 229910010586 LiFeO 2 Inorganic materials 0.000 claims description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 claims description 2
- 229910016087 LiMn0.5Ni0.5O2 Inorganic materials 0.000 claims description 2
- 229910014071 LiMn1/3Co1/3Ni1/3O2 Inorganic materials 0.000 claims description 2
- 229910013716 LiNi Inorganic materials 0.000 claims description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 claims description 2
- 229910013391 LizN Inorganic materials 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- AHKHZLVXUVZTGF-UHFFFAOYSA-M lithium dihydrogen phosphate oxalic acid Chemical compound P(=O)([O-])(O)O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] AHKHZLVXUVZTGF-UHFFFAOYSA-M 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- JPJBEORAVWZJKS-UHFFFAOYSA-N oxalic acid;propanedioic acid Chemical compound OC(=O)C(O)=O.OC(=O)CC(O)=O JPJBEORAVWZJKS-UHFFFAOYSA-N 0.000 claims description 2
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims 2
- 229920002647 polyamide Polymers 0.000 claims 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims 1
- 229910013188 LiBOB Inorganic materials 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 18
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000002360 preparation method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 235000010338 boric acid Nutrition 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 150000002596 lactones Chemical class 0.000 description 2
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 2
- 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 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
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- 239000002002 slurry Substances 0.000 description 2
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 1
- 150000000565 5-membered heterocyclic compounds Chemical class 0.000 description 1
- 150000000644 6-membered heterocyclic compounds Chemical class 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QGLBZNZGBLRJGS-UHFFFAOYSA-N Dihydro-3-methyl-2(3H)-furanone Chemical compound CC1CCOC1=O QGLBZNZGBLRJGS-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 239000007983 Tris buffer Substances 0.000 description 1
- LXRYWGXWAXCTJD-UHFFFAOYSA-N [Li+].B([O-])([O-])O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] Chemical compound [Li+].B([O-])([O-])O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] LXRYWGXWAXCTJD-UHFFFAOYSA-N 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
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- 239000012300 argon atmosphere Substances 0.000 description 1
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- 125000005587 carbonate group Chemical group 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
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- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- PVADDRMAFCOOPC-UHFFFAOYSA-N germanium monoxide Inorganic materials [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
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- 239000001989 lithium alloy Substances 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011356 non-aqueous organic solvent Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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Abstract
Description
Claims (20)
- a.負極と、
b.正極と、
c.電解液とを含み、該電解液は、
i.非水溶媒と、
ii.溶質とを含み、該溶質は、
1.第一リチウム塩と、
2.該第一とは異なる第二リチウム塩とを含む
ことを特徴とする二次電池。 - 請求項1記載の二次電池において、前記第一及び第二リチウム塩が、錯化オルトホウ酸塩、錯化オルトリン酸塩、過ハロゲン化物塩、及び過酸化物塩からなる群からそれぞれ独立して選択されることを特徴とする二次電池。
- 請求項1記載の二次電池において、前記第一塩が、0.15Mより多い濃度で存在し、且つ錯化オルトホウ酸塩、及び錯化オルトリン酸塩からなる群から選択されることを特徴とする二次電池。
- 請求項3記載の二次電池において、前記第一塩が、ビス(オキサラート)ホウ酸リチウム、ビス(マロナート)ホウ酸リチウム、ビス(ジフルオロマロナート)ホウ酸リチウム、(マロナートオキサラート)ホウ酸リチウム、(ジフルオロマロナートオキサラート)ホウ酸リチウム、トリス(オキサラート)リン酸リチウム、及びトリス(ジフルオロマロナート)リン酸リチウムからなる群から選択されることを特徴とする二次電池。
- 請求項3記載の二次電池において、前記第一塩が、0.15Mより多く約2.0Mまでの濃度で存在することを特徴とする二次電池。
- 請求項1記載の二次電池において、前記第二塩が、約0.01Mから約2.5Mの濃度で存在し、LiPF6、LiBF4、LiClO4、LiAsF6、LiTaF6、LiAlCl4、Li2B10Cl10、LiCF3SO3、LiE(CnF2n+1SO2)m(m=2の時はE=Cであり、m=3の時はE=Nであり、n=1〜10である)、LiPFx(RF)6−x及びLiBFy(RF)4−y(RFはペルフルオロ化C1〜C20アルキル基もしくはペルフルオロ化芳香族基であり、x=0〜5、及びy=0〜3である)、及びこれらの組み合わせからなる群から選ばれることを特徴とする二次電池。
- 請求項1記載の二次電池において、非水溶媒が、炭酸エチレン、炭酸プロピレン、炭酸ブチレン、炭酸ジメチル、炭酸ジエチル、炭酸ジプロピル、炭酸ジブチル、炭酸エチルメチル、炭酸メチルプロピル、炭酸エチルプロピル、テトラヒドロフラン、2−メチルテトラヒドロフラン、1,3−ジオキソラン、1,4-ジオキサン、1,2−ジメトキシエタン、1,2−ジエトキシエタン、1,2−ジブトキシエタン、アセトニトリル、ジメチルホルムアミド、ギ酸メチル、ギ酸エチル、ギ酸プロピル、ギ酸ブチル、酢酸メチル、酢酸エチル、酢酸プロピル、酢酸ブチル、プロピオン酸メチル、プロピオン酸エチル、プロピオン酸プロピル、プロピオン酸ブチル、酪酸メチル、酪酸エチル、酪酸プロピル、酪酸ブチル、γ−ブチロラクトン、2−メチル−γ−ブチロラクトン、3−メチル−γ−ブチロラクトン、4−メチル−γ−ブチロラクトン、β-プロピオラクトン、δ-バレロラクトン、リン酸トリメチル、リン酸トリエチル、リン酸トリス(2−クロロエチル)、リン酸トリス(2,2,2−トリフルオロエチル)、リン酸トリプロピル、リン酸トリイソプロピル、リン酸トリブチル、リン酸トリヘキシル、リン酸トリフェニル、リン酸トリトリル、及びこれらの組み合わせからなる群から選択されることを特徴とする二次電池。
- a.負極と、
b.正極と、
c.電解液を含み、該電解液は、
i.非水溶媒と、
ii.0.15Mより多く約2.0Mまでの濃度のビス(オキサラート)ホウ酸リチウムを含む第一塩と、
iii.約0.01Mから約2.5Mの濃度であって、LiPF6、LiBF4、LiClO4、LiAsF6、LiTaF6、LiAlCl4、Li2B10Cl10、LiCF3SO3、LiE(CnF2n+1SO2)m(m=2の時はE=Cであり、m=3の時はE=Nであり、n=1〜10である)、LiPFx(RF)6−x及びLiBFy(RF)4−y(RFはペルフルオロ化C1〜C20アルキル基もしくはペルフルオロ化芳香族基であり、x=0〜5、及びy=0〜3である)、及びこれらの組み合わせからなる群から選ばれる第二塩とを含む
ことを特徴とする二次電池。 - 請求項8記載の二次電池において、前記電解液が、0.15Mより多く約1.6MまでのLiBOBと、約0.05から約2.0Mの第二塩とを含むことを特徴とする二次電池。
- 請求項8記載の二次電池において、前記非水溶媒が、炭酸エチレン、炭酸プロピレン、炭酸ブチレン、炭酸ジメチル、炭酸ジエチル、炭酸ジプロピル、炭酸ジブチル、炭酸エチルメチル、炭酸メチルプロピル、炭酸エチルプロピル、テトラヒドロフラン、2−メチルテトラヒドロフラン、1,3−ジオキソラン、1,4−ジオキサン、1,2−ジメトキシエタン、1,2−ジエトキシエタン、1,2−ジブトキシエタン、アセトニトリル、ジメチルホルムアミド、ギ酸メチル、ギ酸エチル、ギ酸プロピル、ギ酸ブチル、酢酸メチル、酢酸エチル、酢酸プロピル、酢酸ブチル、プロピオン酸メチル、プロピオン酸エチル、プロピオン酸プロピル、プロピオン酸ブチル、酪酸メチル、酪酸エチル、酪酸プロピル、酪酸ブチル、γ−ブチロラクトン、2−メチル−γ−ブチロラクトン、3−メチル−γ−ブチロラクトン、4−メチル−γ−ブチロラクトン、β−プロピオラクトン、δ−バレロラクトン、リン酸トリメチル、リン酸トリエチル、リン酸トリス(2−クロロエチル)、リン酸トリス(2,2,2−トリフルオロエチル)、リン酸トリプロピル、リン酸トリイソプロピル、リン酸トリブチル、リン酸トリヘキシル、リン酸トリフェニル、リン酸トリトリル、及びこれらの組み合わせからなる群から選択されることを特徴とする二次電池。
- 請求項8記載の二次電池において、前記正極が、LiMnO2、LiMn2O4、LiCoO2、Li2Cr2O7、Li2CrO4、LiNiO2、LiFeO2、LiNixCo1−xO2(0<x<1)、LiFePO4、LiMn0.5Ni0.5O2、LiMn1/3Co1/3Ni1/3O2、及びLiMc0.5Mn1.5O4(Mcは二価金属である)、及びこれらの組み合わせからなる群から選択されるリチウム混合金属酸化物を含むことを特徴とする二次電池。
- 請求項11記載の二次電池において、前記正極が、ポリフッ化ビニリデン、スチレンブタジエンゴム、ポリアミド、メラミン、及びこれらの組み合わせからなる群から選択される結着剤をさらに含むことを特徴とする二次電池。
- 請求項8記載の二次電池において、前記負極が、結晶性炭素、リチウム金属、LiMnO2、LiAl、LiZn、Li3Bi、Li3Cd、Li3Sd、Li4Si、Li4.4Pb、Li4.4Sn、LiC6、Li3FeN2、Li2.6Co0.4N、Li2.6Cu0.4N、Li4Ti5O12、及びこれらの組み合わせからなる群から選択される物質を含むことを特徴とする二次電池。
- 請求項12記載の二次電池において、前記負極が、ポリフッ化ビニリデン、スチレンブタジエンゴム、ポリアミド、メラミン、及びこれらの組み合わせからなる群から選択される結着剤をさらに含むことを特徴とする二次電池。
- 請求項9記載の二次電池において、前記第二塩が、LiPF6、LiBF4、及びこれらの組み合わせからなる群から選択されることを特徴とする二次電池。
- 請求項10記載の二次電池において、前記非水溶媒が、炭酸エチレン、炭酸プロピレン、炭酸ジエチル、炭酸エチルメチル、及びこれらの組み合わせからなる群から選択されることを特徴とする二次電池。
- 請求項8記載の二次電池において、前記ビス(オキサラート)ホウ酸リチウムが、0.15Mより多く約1.0Mまでの濃度で存在することを特徴とする二次電池。
- 請求項8記載の二次電池において、前記ビス(オキサラート)ホウ酸リチウムが、約0.4Mから約0.8Mの濃度で存在することを特徴とする二次電池。
- 請求項8記載の二次電池において、前記電解液が、約0.1Mから約1.6Mの第二塩を含み、且つ前記非水溶媒が、約1:4から約1:1の体積比で炭酸エチレンと炭酸エチルメチルを含むことを特徴とする二次電池。
- 二次電池に使用する非水電解液であって、2種の塩を含み、そのうちの1種が0.15Mより多い濃度のビス(オキサラート)ホウ酸リチウムであることを特徴とする非水電解液。
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US11/113,966 US7238453B2 (en) | 2005-04-25 | 2005-04-25 | Non-aqueous electrolytic solution with mixed salts |
PCT/US2006/011539 WO2006115681A2 (en) | 2005-04-25 | 2006-03-29 | Non-aqueous electrolytic solution with mixed salts |
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Cited By (8)
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WO2011016113A1 (ja) * | 2009-08-04 | 2011-02-10 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
WO2011016112A1 (ja) * | 2009-08-04 | 2011-02-10 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
JP2012518260A (ja) * | 2009-02-18 | 2012-08-09 | ヒェメタル ゲゼルシャフト ミット ベシュレンクテル ハフツング | アノード材料としてリチウム金属又はリチウム金属含有合金及びビス(オキサラト)ホウ酸リチウムと少なくとも1種の別のリチウム錯塩とを有する電解質を有するガルバニ電池 |
JP2013089445A (ja) * | 2011-10-18 | 2013-05-13 | Toyota Motor Corp | 非水電解液二次電池及びその製造方法 |
JP2014035895A (ja) * | 2012-08-09 | 2014-02-24 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP2017054822A (ja) * | 2011-10-28 | 2017-03-16 | 旭化成株式会社 | 非水系二次電池 |
JP2018113186A (ja) * | 2017-01-12 | 2018-07-19 | トヨタ自動車株式会社 | リチウムイオン二次電池用電解液 |
JP2019212618A (ja) * | 2018-06-01 | 2019-12-12 | 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 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004011522A1 (de) * | 2004-03-08 | 2005-09-29 | Chemetall Gmbh | Leitsalze für Lithiumionenbatterien und deren Herstellung |
US7238453B2 (en) * | 2005-04-25 | 2007-07-03 | Ferro Corporation | Non-aqueous electrolytic solution with mixed salts |
US8273484B2 (en) * | 2005-05-26 | 2012-09-25 | Novolyte Technologies, Inc. | Nitrogen silylated compounds as additives in non-aqueous solutions for electrochemical cells |
US20080193852A1 (en) * | 2006-02-03 | 2008-08-14 | Sanyo Electric Co., Ltd. | Nonaqueous Electrolyte Secondary Battery |
JP5120596B2 (ja) | 2006-11-22 | 2013-01-16 | ソニー株式会社 | 非水電解液、電気化学デバイスおよび非水二次電池 |
KR100778450B1 (ko) | 2006-11-22 | 2007-11-28 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를포함하는 리튬 이차 전지 |
KR100814880B1 (ko) | 2006-11-22 | 2008-03-18 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를포함하는 리튬 이차 전지 |
FR2910722B1 (fr) * | 2006-12-20 | 2009-03-20 | Accumulateurs Fixes | Accumulateur au lithium fonctionnant a tres basse temperature |
KR100805123B1 (ko) | 2007-02-15 | 2008-02-21 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
JP2008288049A (ja) * | 2007-05-18 | 2008-11-27 | Toyota Central R&D Labs Inc | リチウムイオン二次電池 |
JP5511128B2 (ja) | 2007-06-07 | 2014-06-04 | 三星エスディアイ株式会社 | 非水二次電池用負極材料及び非水二次電池 |
US8715865B2 (en) * | 2007-07-11 | 2014-05-06 | Basf Corporation | Non-aqueous electrolytic solutions and electrochemical cells comprising the same |
KR100898291B1 (ko) | 2007-09-12 | 2009-05-18 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
FR2921195B1 (fr) * | 2007-09-13 | 2009-11-06 | Batscap Sa | Procede et dispositif pour la fabrication d'ensambles de stockage d'energie electrique |
KR20100093321A (ko) * | 2009-02-16 | 2010-08-25 | 삼성에스디아이 주식회사 | 비수 전해질, 및 이를 포함하는 리튬 이차 전지 |
JP6305059B2 (ja) * | 2010-09-21 | 2018-04-04 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 電極材料の製造方法 |
US9449729B2 (en) | 2010-09-21 | 2016-09-20 | Basf Se | Process for producing electrode materials |
KR101939010B1 (ko) | 2010-10-29 | 2019-01-15 | 아사히 가세이 가부시키가이샤 | 비수계 전해액 및 비수계 이차 전지 |
EP3758124A1 (en) | 2011-02-10 | 2020-12-30 | Mitsubishi Chemical Corporation | Non-aqueous electrolyte secondary battery |
WO2013058604A2 (ko) * | 2011-10-21 | 2013-04-25 | 한국생산기술 연구원 | 전기자동차용 리튬이차전지용 고에너지밀도의 양극 복합소재 합성 및 전극 제조기술 |
JP2013131395A (ja) * | 2011-12-21 | 2013-07-04 | Sony Corp | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
US20130202920A1 (en) * | 2012-02-07 | 2013-08-08 | Battelle Memorial Institute | Dendrite-Inhibiting Salts in Electrolytes of Energy Storage Devices |
US9184436B2 (en) | 2012-02-07 | 2015-11-10 | Battelle Memorial Institute | Methods and energy storage devices utilizing electrolytes having surface-smoothing additives |
CN103515648B (zh) * | 2012-06-20 | 2016-09-14 | 万向电动汽车有限公司 | 一种锰酸锂电池电解液 |
EP2797156B1 (en) | 2013-02-20 | 2017-06-21 | LG Chem, Ltd. | Electrolyte additive for lithium secondary battery, non-aqueous electrolyte containing said electrolyte additive, and lithium secondary battery |
JP5932150B2 (ja) | 2013-02-20 | 2016-06-08 | エルジー・ケム・リミテッド | 非水性電解液及びこれを含むリチウム二次電池 |
CN103943884A (zh) * | 2014-04-08 | 2014-07-23 | 陈琛 | 一种锂离子电池电解液 |
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CN105119018B (zh) * | 2015-08-19 | 2018-07-24 | 芜湖市汽车产业技术研究院有限公司 | 一种锂离子电池的电解液及锂离子电池 |
CN109786808A (zh) * | 2018-12-14 | 2019-05-21 | 中国科学院青岛生物能源与过程研究所 | 一种锂金属电池用腈类电解液及使用该电解液的锂金属电池 |
CN112038697A (zh) * | 2020-08-28 | 2020-12-04 | 香河昆仑化学制品有限公司 | 一种锂离子电池非水电解液及锂离子电池 |
WO2024110801A1 (en) * | 2022-11-22 | 2024-05-30 | Medtronic, Inc. | High temperature electrolyte for temperature-dependent in operando salt concentration modification |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004111349A (ja) * | 2002-07-23 | 2004-04-08 | Central Glass Co Ltd | 電気化学ディバイスの溶媒分解抑制方法及びそれを用いた電気化学ディバイス |
JP2004363086A (ja) * | 2003-05-13 | 2004-12-24 | Mitsubishi Chemicals Corp | 非水系電解液及び非水系電解液二次電池 |
JP2005005115A (ja) * | 2003-06-11 | 2005-01-06 | Sony Corp | 電解質およびそれを用いた電池 |
JP2005056841A (ja) * | 2003-07-31 | 2005-03-03 | Samsung Sdi Co Ltd | 非水性電解質及びこれを含むリチウム二次電池 |
JP2005071749A (ja) * | 2003-08-22 | 2005-03-17 | Mitsubishi Chemicals Corp | リチウム二次電池用非水電解液及びそれを用いたリチウム二次電池 |
JP2005079057A (ja) * | 2003-09-03 | 2005-03-24 | Sony Corp | 電池 |
JP2005228565A (ja) * | 2004-02-12 | 2005-08-25 | Sony Corp | 電解液および電池 |
JP2006196250A (ja) * | 2005-01-12 | 2006-07-27 | Sanyo Electric Co Ltd | リチウム二次電池 |
JP2006216378A (ja) * | 2005-02-03 | 2006-08-17 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69127251T3 (de) * | 1990-10-25 | 2005-01-13 | Matsushita Electric Industrial Co., Ltd., Kadoma | Nichtwässrige elektrochemische Sekundärbatterie |
US5521027A (en) * | 1990-10-25 | 1996-05-28 | Matsushita Electric Industrial Co., Ltd. | Non-aqueous secondary electrochemical battery |
US5786110A (en) * | 1992-06-22 | 1998-07-28 | Arizona Board Of Regents | Alkali-metal-ion conducting electrolytes |
US5484670A (en) * | 1992-06-22 | 1996-01-16 | Arizona Board Of Regents, A Body Corporate Of The State Of Arizona, Acting For Arizona State University | Lithium ion conducting ionic electrolytes |
WO1995017770A1 (fr) * | 1993-12-22 | 1995-06-29 | Saft | Anode de carbone pour generateur electrochimique rechargeable au lithium et son procede de fabrication |
FR2719161B1 (fr) * | 1994-04-22 | 1996-08-02 | Accumulateurs Fixes | Générateur électrochimique rechargeable au lithium à anode de carbone. |
FR2738396B1 (fr) * | 1995-09-05 | 1997-09-26 | Accumulateurs Fixes | Anode de generateur electrochimique rechargeable au lithium et son procede de fabrication |
US5844029A (en) * | 1995-09-25 | 1998-12-01 | General Electric Company | Polymer compositions containing hydrocarbon amine oxide and hydrocarbon amine oxide stabilizer compositions |
US5849432A (en) * | 1995-11-03 | 1998-12-15 | Arizona Board Of Regents | Wide electrochemical window solvents for use in electrochemical devices and electrolyte solutions incorporating such solvents |
US5855809A (en) * | 1995-11-13 | 1999-01-05 | Arizona Board Of Regents | Electrochemically stable electrolytes |
US5824433A (en) * | 1995-11-13 | 1998-10-20 | Arizona Board Of Regents | High conductivity electrolyte solutions and rechargeable cells incorporating such solutions |
CA2163187C (en) * | 1995-11-17 | 2003-04-15 | Huanyu Mao | Aromatic monomer gassing agents for protecting non-aqueous lithium batteries against overcharge |
JP3680454B2 (ja) | 1996-05-28 | 2005-08-10 | 株式会社デンソー | 非水電解質二次電池 |
FR2751135A1 (fr) * | 1996-07-12 | 1998-01-16 | Accumulateurs Fixes | Electrode de generateur electrochimique rechargeable au lithium |
FR2752091B1 (fr) * | 1996-08-02 | 1998-09-04 | Accumulateurs Fixes | Composition pour electrode positive, procede de preparation |
US6001325A (en) * | 1996-11-26 | 1999-12-14 | Fmc Corporation | Process for removing acids from lithium salt solutions |
WO1999019932A1 (en) * | 1997-10-15 | 1999-04-22 | Moltech Corporation | Non-aqueous electrolyte solvents for secondary cells |
DE19829030C1 (de) * | 1998-06-30 | 1999-10-07 | Metallgesellschaft Ag | Lithium-bisoxalatoborat, Verfahren zu dessen Herstellung und dessen Verwendung |
JP2000315504A (ja) | 1999-04-30 | 2000-11-14 | Shin Kobe Electric Mach Co Ltd | 非水電解液二次電池 |
WO2001096446A1 (en) | 2000-06-16 | 2001-12-20 | Arizona Board Of Regents, A Body Corporate Acting On Behalf Of Arizona State University | Conductive polymeric compositions for lithium batteries |
JP2002208432A (ja) | 2001-01-12 | 2002-07-26 | Japan Storage Battery Co Ltd | 非水電解質二次電池の製造方法 |
US7172834B1 (en) * | 2002-07-29 | 2007-02-06 | The United States Of America As Represented By The Secretary Of The Army | Additive for enhancing the performance of electrochemical cells |
US20040151951A1 (en) * | 2002-12-17 | 2004-08-05 | The University Of Chicago | Lithium based electrochemical cell systems |
JP4238645B2 (ja) * | 2003-06-12 | 2009-03-18 | 日産自動車株式会社 | バイポーラ電池 |
CN100449850C (zh) * | 2004-02-27 | 2009-01-07 | 三洋电机株式会社 | 锂二次电池 |
US7459237B2 (en) * | 2004-03-15 | 2008-12-02 | The Gillette Company | Non-aqueous lithium electrical cell |
US7238453B2 (en) * | 2005-04-25 | 2007-07-03 | Ferro Corporation | Non-aqueous electrolytic solution with mixed salts |
-
2005
- 2005-04-25 US US11/113,966 patent/US7238453B2/en active Active
-
2006
- 2006-03-29 CN CN200680013840A patent/CN100583513C/zh active Active
- 2006-03-29 JP JP2008508866A patent/JP2008539548A/ja active Pending
- 2006-03-29 KR KR1020147005913A patent/KR20140058602A/ko not_active Application Discontinuation
- 2006-03-29 WO PCT/US2006/011539 patent/WO2006115681A2/en active Application Filing
- 2006-03-29 KR KR1020077019789A patent/KR20080004459A/ko not_active Application Discontinuation
-
2007
- 2007-05-16 US US11/749,178 patent/US20070231706A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004111349A (ja) * | 2002-07-23 | 2004-04-08 | Central Glass Co Ltd | 電気化学ディバイスの溶媒分解抑制方法及びそれを用いた電気化学ディバイス |
JP2004363086A (ja) * | 2003-05-13 | 2004-12-24 | Mitsubishi Chemicals Corp | 非水系電解液及び非水系電解液二次電池 |
JP2005005115A (ja) * | 2003-06-11 | 2005-01-06 | Sony Corp | 電解質およびそれを用いた電池 |
JP2005056841A (ja) * | 2003-07-31 | 2005-03-03 | Samsung Sdi Co Ltd | 非水性電解質及びこれを含むリチウム二次電池 |
JP2005071749A (ja) * | 2003-08-22 | 2005-03-17 | Mitsubishi Chemicals Corp | リチウム二次電池用非水電解液及びそれを用いたリチウム二次電池 |
JP2005079057A (ja) * | 2003-09-03 | 2005-03-24 | Sony Corp | 電池 |
JP2005228565A (ja) * | 2004-02-12 | 2005-08-25 | Sony Corp | 電解液および電池 |
JP2006196250A (ja) * | 2005-01-12 | 2006-07-27 | Sanyo Electric Co Ltd | リチウム二次電池 |
JP2006216378A (ja) * | 2005-02-03 | 2006-08-17 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012518260A (ja) * | 2009-02-18 | 2012-08-09 | ヒェメタル ゲゼルシャフト ミット ベシュレンクテル ハフツング | アノード材料としてリチウム金属又はリチウム金属含有合金及びビス(オキサラト)ホウ酸リチウムと少なくとも1種の別のリチウム錯塩とを有する電解質を有するガルバニ電池 |
JP5448002B2 (ja) * | 2009-08-04 | 2014-03-19 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
US8911906B2 (en) | 2009-08-04 | 2014-12-16 | Toyota Jidosha Kabushiki Kaisha | Non-aqueous electrolyte type lithium ion secondary cell |
CN102473968A (zh) * | 2009-08-04 | 2012-05-23 | 丰田自动车株式会社 | 非水电解液型锂离子二次电池 |
WO2011016112A1 (ja) * | 2009-08-04 | 2011-02-10 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
WO2011016113A1 (ja) * | 2009-08-04 | 2011-02-10 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
US8617742B2 (en) | 2009-08-04 | 2013-12-31 | Toyota Jidosha Kabushiki Kaisha | Non-aqueous electrolyte type lithium ion secondary cell |
CN102473967A (zh) * | 2009-08-04 | 2012-05-23 | 丰田自动车株式会社 | 非水电解液型锂离子二次电池 |
JP5448001B2 (ja) * | 2009-08-04 | 2014-03-19 | トヨタ自動車株式会社 | 非水電解液型リチウムイオン二次電池 |
CN102473967B (zh) * | 2009-08-04 | 2014-11-26 | 丰田自动车株式会社 | 非水电解液型锂离子二次电池 |
JP2013089445A (ja) * | 2011-10-18 | 2013-05-13 | Toyota Motor Corp | 非水電解液二次電池及びその製造方法 |
JP2017054822A (ja) * | 2011-10-28 | 2017-03-16 | 旭化成株式会社 | 非水系二次電池 |
JP2014035895A (ja) * | 2012-08-09 | 2014-02-24 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP2018113186A (ja) * | 2017-01-12 | 2018-07-19 | トヨタ自動車株式会社 | リチウムイオン二次電池用電解液 |
JP2019212618A (ja) * | 2018-06-01 | 2019-12-12 | 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 |
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Also Published As
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KR20080004459A (ko) | 2008-01-09 |
CN101164187A (zh) | 2008-04-16 |
WO2006115681A3 (en) | 2007-05-10 |
KR20140058602A (ko) | 2014-05-14 |
US20070231706A1 (en) | 2007-10-04 |
WO2006115681A2 (en) | 2006-11-02 |
US7238453B2 (en) | 2007-07-03 |
CN100583513C (zh) | 2010-01-20 |
US20060240322A1 (en) | 2006-10-26 |
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