WO2022158397A1 - 非水電解液、非水電解液電池、及び化合物 - Google Patents
非水電解液、非水電解液電池、及び化合物 Download PDFInfo
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- WO2022158397A1 WO2022158397A1 PCT/JP2022/001223 JP2022001223W WO2022158397A1 WO 2022158397 A1 WO2022158397 A1 WO 2022158397A1 JP 2022001223 W JP2022001223 W JP 2022001223W WO 2022158397 A1 WO2022158397 A1 WO 2022158397A1
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- atom
- general formula
- carbon atoms
- alkyl group
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 117
- 150000001875 compounds Chemical class 0.000 title claims abstract description 85
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 54
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 40
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 35
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 28
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 20
- 229910001415 sodium ion Inorganic materials 0.000 claims abstract description 20
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011356 non-aqueous organic solvent Substances 0.000 claims abstract description 19
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims abstract description 16
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001414 potassium ion Inorganic materials 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 5
- -1 difluorophosphoryl Chemical group 0.000 claims description 90
- 125000004432 carbon atom Chemical group C* 0.000 claims description 69
- 229910052744 lithium Inorganic materials 0.000 claims description 40
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 39
- 239000008151 electrolyte solution Substances 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 125000006841 cyclic skeleton Chemical group 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 150000003949 imides Chemical class 0.000 claims description 16
- 125000001931 aliphatic group Chemical group 0.000 claims description 15
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 13
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 10
- 125000004434 sulfur atom Chemical group 0.000 claims description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- 150000005678 chain carbonates Chemical class 0.000 claims description 6
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 6
- 125000004429 atom Chemical group 0.000 claims description 5
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- 150000001721 carbon Chemical group 0.000 claims description 3
- 125000000468 ketone group Chemical group 0.000 claims description 3
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 claims description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 3
- 101000928408 Homo sapiens Protein diaphanous homolog 2 Proteins 0.000 claims 2
- 102100036469 Protein diaphanous homolog 2 Human genes 0.000 claims 2
- 229910006095 SO2F Inorganic materials 0.000 claims 2
- 229910019188 POF2 Inorganic materials 0.000 claims 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 46
- 238000002360 preparation method Methods 0.000 description 19
- 229940021013 electrolyte solution Drugs 0.000 description 18
- 239000000654 additive Substances 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 13
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 9
- 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 description 8
- 229910052708 sodium Inorganic materials 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- 150000002430 hydrocarbons Chemical group 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052723 transition metal Inorganic materials 0.000 description 7
- 150000003624 transition metals Chemical class 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 229910021383 artificial graphite Inorganic materials 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- IGILRSKEFZLPKG-UHFFFAOYSA-M lithium;difluorophosphinate Chemical compound [Li+].[O-]P(F)(F)=O IGILRSKEFZLPKG-UHFFFAOYSA-M 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 125000000392 cycloalkenyl group Chemical group 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- KTQDYGVEEFGIIL-UHFFFAOYSA-N n-fluorosulfonylsulfamoyl fluoride Chemical compound FS(=O)(=O)NS(F)(=O)=O KTQDYGVEEFGIIL-UHFFFAOYSA-N 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 125000004206 2,2,2-trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 description 3
- 125000004778 2,2-difluoroethyl group Chemical group [H]C([H])(*)C([H])(F)F 0.000 description 3
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910001413 alkali metal ion Inorganic materials 0.000 description 3
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 125000003302 alkenyloxy group Chemical group 0.000 description 3
- 125000005133 alkynyloxy group Chemical group 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 125000004104 aryloxy group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 125000004465 cycloalkenyloxy group Chemical group 0.000 description 3
- 125000000000 cycloalkoxy group Chemical group 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 2
- 125000006017 1-propenyl group Chemical group 0.000 description 2
- SXAMGRAIZSSWIH-UHFFFAOYSA-N 2-[3-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,2,4-oxadiazol-5-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NOC(=N1)CC(=O)N1CC2=C(CC1)NN=N2 SXAMGRAIZSSWIH-UHFFFAOYSA-N 0.000 description 2
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 2
- ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 0.000 description 2
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- CHHOPPGAFVFXFS-UHFFFAOYSA-M [Li+].[O-]S(F)(=O)=O Chemical compound [Li+].[O-]S(F)(=O)=O CHHOPPGAFVFXFS-UHFFFAOYSA-M 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- ODMITNOQNBVSQG-UHFFFAOYSA-N ethyl 2-fluoropropanoate Chemical compound CCOC(=O)C(C)F ODMITNOQNBVSQG-UHFFFAOYSA-N 0.000 description 2
- CYEDOLFRAIXARV-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound CCCOC(=O)OCC CYEDOLFRAIXARV-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002847 impedance measurement Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- GBPVMEKUJUKTBA-UHFFFAOYSA-N methyl 2,2,2-trifluoroethyl carbonate Chemical compound COC(=O)OCC(F)(F)F GBPVMEKUJUKTBA-UHFFFAOYSA-N 0.000 description 2
- MHAIQPNJLRLFLO-UHFFFAOYSA-N methyl 2-fluoropropanoate Chemical compound COC(=O)C(C)F MHAIQPNJLRLFLO-UHFFFAOYSA-N 0.000 description 2
- 229940017219 methyl propionate Drugs 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000013558 reference substance Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- YTZKOQUCBOVLHL-UHFFFAOYSA-N tert-butylbenzene Chemical compound CC(C)(C)C1=CC=CC=C1 YTZKOQUCBOVLHL-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- GOIXNQVIDQSYOR-UHFFFAOYSA-J tetralithium 2-fluoro-2-oxoacetate Chemical compound C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.[Li+].[Li+].[Li+].[Li+] GOIXNQVIDQSYOR-UHFFFAOYSA-J 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RDOGTTNFVLSBKG-UHFFFAOYSA-N 1,2-difluoro-3-methoxybenzene Chemical compound COC1=CC=CC(F)=C1F RDOGTTNFVLSBKG-UHFFFAOYSA-N 0.000 description 1
- GWAOOGWHPITOEY-UHFFFAOYSA-N 1,5,2,4-dioxadithiane 2,2,4,4-tetraoxide Chemical compound O=S1(=O)CS(=O)(=O)OCO1 GWAOOGWHPITOEY-UHFFFAOYSA-N 0.000 description 1
- RYIRMSRYCSMGJA-UHFFFAOYSA-N 1,5,2,4-dioxadithiepane 2,2,4,4-tetraoxide Chemical compound O=S1(=O)CS(=O)(=O)OCCO1 RYIRMSRYCSMGJA-UHFFFAOYSA-N 0.000 description 1
- APPZESCOGKWYIH-UHFFFAOYSA-N 1,5,2,4-dioxadithiocane 2,2,4,4-tetraoxide Chemical compound O=S1(=O)CS(=O)(=O)OCCCO1 APPZESCOGKWYIH-UHFFFAOYSA-N 0.000 description 1
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- GUYHXQLLIISBQF-UHFFFAOYSA-N 1-cyclohexyl-2-fluorobenzene Chemical compound FC1=CC=CC=C1C1CCCCC1 GUYHXQLLIISBQF-UHFFFAOYSA-N 0.000 description 1
- MMZYCBHLNZVROM-UHFFFAOYSA-N 1-fluoro-2-methylbenzene Chemical compound CC1=CC=CC=C1F MMZYCBHLNZVROM-UHFFFAOYSA-N 0.000 description 1
- KLECYOQFQXJYBC-UHFFFAOYSA-N 1-fluoro-2-phenylbenzene Chemical group FC1=CC=CC=C1C1=CC=CC=C1 KLECYOQFQXJYBC-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 125000004793 2,2,2-trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N 2-butyne Chemical group CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- GKFGCJGPBOCQQW-UHFFFAOYSA-N 2-ethoxy-1,2,2,6,6-pentafluoro-1,3,5-triaza-2lambda5,4,6lambda5-triphosphacyclohex-5-ene Chemical compound C(C)OP1(N(P(=NPN1)(F)F)F)(F)F GKFGCJGPBOCQQW-UHFFFAOYSA-N 0.000 description 1
- 125000004777 2-fluoroethyl group Chemical group [H]C([H])(F)C([H])([H])* 0.000 description 1
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- QHTJSSMHBLGUHV-UHFFFAOYSA-N 2-methylbutan-2-ylbenzene Chemical compound CCC(C)(C)C1=CC=CC=C1 QHTJSSMHBLGUHV-UHFFFAOYSA-N 0.000 description 1
- IFDLFCDWOFLKEB-UHFFFAOYSA-N 2-methylbutylbenzene Chemical compound CCC(C)CC1=CC=CC=C1 IFDLFCDWOFLKEB-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- RVEUZXSLRKKPCQ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-yl hydrogen carbonate Chemical compound FC(F)(F)CC(C)OC(O)=O RVEUZXSLRKKPCQ-UHFFFAOYSA-N 0.000 description 1
- DSMUTQTWFHVVGQ-UHFFFAOYSA-N 4,5-difluoro-1,3-dioxolan-2-one Chemical compound FC1OC(=O)OC1F DSMUTQTWFHVVGQ-UHFFFAOYSA-N 0.000 description 1
- BJWMSGRKJIOCNR-UHFFFAOYSA-N 4-ethenyl-1,3-dioxolan-2-one Chemical compound C=CC1COC(=O)O1 BJWMSGRKJIOCNR-UHFFFAOYSA-N 0.000 description 1
- YNNVCNXYUGJPKN-UHFFFAOYSA-J C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.[K+].[K+].[K+].[K+] Chemical compound C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.[K+].[K+].[K+].[K+] YNNVCNXYUGJPKN-UHFFFAOYSA-J 0.000 description 1
- CLODVVCTNPJPIG-UHFFFAOYSA-J C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.[Na+].[Na+].[Na+].[Na+] Chemical compound C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.C(C(=O)[O-])(=O)F.[Na+].[Na+].[Na+].[Na+] CLODVVCTNPJPIG-UHFFFAOYSA-J 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910011328 LiNi0.6Co0.2Mn0.2O2 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- UBQYURCVBFRUQT-UHFFFAOYSA-N N-benzoyl-Ferrioxamine B Chemical compound CC(=O)N(O)CCCCCNC(=O)CCC(=O)N(O)CCCCCNC(=O)CCC(=O)N(O)CCCCCN UBQYURCVBFRUQT-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000005336 allyloxy group Chemical group 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- WLLOZRDOFANZMZ-UHFFFAOYSA-N bis(2,2,2-trifluoroethyl) carbonate Chemical compound FC(F)(F)COC(=O)OCC(F)(F)F WLLOZRDOFANZMZ-UHFFFAOYSA-N 0.000 description 1
- YRIJPMBUGWOQCC-UHFFFAOYSA-N bis(prop-2-ynyl) carbonate Chemical compound C#CCOC(=O)OCC#C YRIJPMBUGWOQCC-UHFFFAOYSA-N 0.000 description 1
- UQWLFOMXECTXNQ-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)methylsulfonyl-trifluoromethane Chemical compound FC(F)(F)S(=O)(=O)[C-](S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F UQWLFOMXECTXNQ-UHFFFAOYSA-N 0.000 description 1
- FWBMVXOCTXTBAD-UHFFFAOYSA-N butyl methyl carbonate Chemical compound CCCCOC(=O)OC FWBMVXOCTXTBAD-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- PMGNOQUKCGLETL-TYYBGVCCSA-N carbonic acid;(e)-1,2-difluoroethene Chemical compound OC(O)=O.F\C=C\F PMGNOQUKCGLETL-TYYBGVCCSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 1
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 239000011903 deuterated solvents Substances 0.000 description 1
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 description 1
- YRLQYTUFYPUCAE-UHFFFAOYSA-N difluorophosphoryloxybenzene Chemical compound FP(F)(=O)OC1=CC=CC=C1 YRLQYTUFYPUCAE-UHFFFAOYSA-N 0.000 description 1
- URSLCTBXQMKCFE-UHFFFAOYSA-N dihydrogenborate Chemical compound OB(O)[O-] URSLCTBXQMKCFE-UHFFFAOYSA-N 0.000 description 1
- SXWUDUINABFBMK-UHFFFAOYSA-L dilithium;fluoro-dioxido-oxo-$l^{5}-phosphane Chemical compound [Li+].[Li+].[O-]P([O-])(F)=O SXWUDUINABFBMK-UHFFFAOYSA-L 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- BYPHZHGVWNKAFC-UHFFFAOYSA-N ethenesulfonyl fluoride Chemical compound FS(=O)(=O)C=C BYPHZHGVWNKAFC-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- NIQAXIMIQJNOKY-UHFFFAOYSA-N ethyl 2,2,2-trifluoroethyl carbonate Chemical compound CCOC(=O)OCC(F)(F)F NIQAXIMIQJNOKY-UHFFFAOYSA-N 0.000 description 1
- ZYIGRAXBUGITJL-UHFFFAOYSA-N ethyl prop-2-ynyl carbonate Chemical compound CCOC(=O)OCC#C ZYIGRAXBUGITJL-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-M fluorosulfonate Chemical compound [O-]S(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-M 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 125000006343 heptafluoro propyl group Chemical group 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- KGCSOBYKHTVXLK-UHFFFAOYSA-M lithium ethyl fluoro phosphate Chemical compound P(=O)(OF)(OCC)[O-].[Li+] KGCSOBYKHTVXLK-UHFFFAOYSA-M 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- RLQOUIUVEQXDPW-UHFFFAOYSA-M lithium;2-methylprop-2-enoate Chemical compound [Li+].CC(=C)C([O-])=O RLQOUIUVEQXDPW-UHFFFAOYSA-M 0.000 description 1
- 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 1
- DCWYVUZDHJMHRQ-UHFFFAOYSA-M lithium;ethyl sulfate Chemical compound [Li+].CCOS([O-])(=O)=O DCWYVUZDHJMHRQ-UHFFFAOYSA-M 0.000 description 1
- ALYPSPRNEZQACK-UHFFFAOYSA-M lithium;methyl sulfate Chemical compound [Li+].COS([O-])(=O)=O ALYPSPRNEZQACK-UHFFFAOYSA-M 0.000 description 1
- XSAOIFHNXYIRGG-UHFFFAOYSA-M lithium;prop-2-enoate Chemical compound [Li+].[O-]C(=O)C=C XSAOIFHNXYIRGG-UHFFFAOYSA-M 0.000 description 1
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- DMFBPGIDUUNBRU-UHFFFAOYSA-N magnesium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Mg+2].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F DMFBPGIDUUNBRU-UHFFFAOYSA-N 0.000 description 1
- BZQRBEVTLZHKEA-UHFFFAOYSA-L magnesium;trifluoromethanesulfonate Chemical compound [Mg+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F BZQRBEVTLZHKEA-UHFFFAOYSA-L 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- HNQIVZYLYMDVSB-UHFFFAOYSA-N methanesulfonimidic acid Chemical compound CS(N)(=O)=O HNQIVZYLYMDVSB-UHFFFAOYSA-N 0.000 description 1
- KNWQLFOXPQZGPX-UHFFFAOYSA-N methanesulfonyl fluoride Chemical compound CS(F)(=O)=O KNWQLFOXPQZGPX-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 description 1
- AUUBCQYRIBDKHO-UHFFFAOYSA-N methyl prop-2-ynyl carbonate Chemical compound COC(=O)OCC#C AUUBCQYRIBDKHO-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 1
- WKBFOPPPPFIKOU-UHFFFAOYSA-N n-methylsulfamoyl fluoride Chemical compound CNS(F)(=O)=O WKBFOPPPPFIKOU-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 125000006344 nonafluoro n-butyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 125000003431 oxalo group Chemical group 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- KVFIZLDWRFTUEM-UHFFFAOYSA-N potassium;bis(trifluoromethylsulfonyl)azanide Chemical compound [K+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F KVFIZLDWRFTUEM-UHFFFAOYSA-N 0.000 description 1
- GLGXXYFYZWQGEL-UHFFFAOYSA-M potassium;trifluoromethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)F GLGXXYFYZWQGEL-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- STBRWEWUESLURQ-UHFFFAOYSA-N propyl 2,2,2-trifluoroethyl carbonate Chemical compound CCCOC(=O)OCC(F)(F)F STBRWEWUESLURQ-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 1
- KBVUALKOHTZCGR-UHFFFAOYSA-M sodium;difluorophosphinate Chemical compound [Na+].[O-]P(F)(F)=O KBVUALKOHTZCGR-UHFFFAOYSA-M 0.000 description 1
- RRLOOYQHUHGIRJ-UHFFFAOYSA-M sodium;ethyl sulfate Chemical compound [Na+].CCOS([O-])(=O)=O RRLOOYQHUHGIRJ-UHFFFAOYSA-M 0.000 description 1
- DZXBHDRHRFLQCJ-UHFFFAOYSA-M sodium;methyl sulfate Chemical compound [Na+].COS([O-])(=O)=O DZXBHDRHRFLQCJ-UHFFFAOYSA-M 0.000 description 1
- XGPOMXSYOKFBHS-UHFFFAOYSA-M sodium;trifluoromethanesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)F XGPOMXSYOKFBHS-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- SLVAEVYIJHDKRO-UHFFFAOYSA-N trifluoromethanesulfonyl fluoride Chemical compound FC(F)(F)S(F)(=O)=O SLVAEVYIJHDKRO-UHFFFAOYSA-N 0.000 description 1
- YZYKZHPNRDIPFA-UHFFFAOYSA-N tris(trimethylsilyl) borate Chemical compound C[Si](C)(C)OB(O[Si](C)(C)C)O[Si](C)(C)C YZYKZHPNRDIPFA-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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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
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
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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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
- H01M2300/0042—Four or more solvents
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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
Definitions
- Patent Literature 1 proposes to improve various battery characteristics such as high-temperature storage characteristics by adding vinylene carbonate to the electrolytic solution.
- the electrodes are coated with a polymer film formed by polymerizing vinylene carbonate to prevent the decomposition of the electrolyte on the surface. The problem is that a large amount of gas is generated during storage.
- Patent Document 2 the addition of lithium difluorophosphate disclosed in Patent Document 2 is effective, and by using vinylene carbonate and lithium difluorophosphate together, the internal resistance can be It is known that it is possible to obtain a battery in which an increase in .times..times..times..times..times..times..times..times..times..times..times.
- the present disclosure has been made in view of the above circumstances, and aims to provide a non-aqueous electrolyte and a non-aqueous electrolyte battery with a low initial resistance value.
- Another object of the present invention is to provide a compound that can be suitably used in the non-aqueous electrolyte.
- a non-aqueous electrolytic solution containing a compound represented by the general formula (1), a solute, and a non-aqueous organic solvent has a low initial resistance value. It was found that a non-aqueous electrolyte battery can be obtained.
- a non-aqueous electrolytic solution containing a compound represented by the following general formula (1), a solute, and a non-aqueous organic solvent containing a compound represented by the following general formula (1), a solute, and a non-aqueous organic solvent.
- each R 1 independently represents PO(R f ) 2 or SO 2 R f .
- Each R f independently represents a fluorine atom or a straight-chain or branched alkyl group having 1 to 4 carbon atoms or a branched alkyl group having 3 to 4 carbon atoms, and the carbon atom-carbon atom bond in the alkyl group may contain an oxygen atom. Any hydrogen atom of the alkyl group may be substituted with a fluorine atom.
- Each R 2 independently represents a hydrogen atom, a lithium ion, a sodium ion, a potassium ion, or a linear or branched alkyl group having 1 to 12 carbon atoms or 3 to 12 carbon atoms, and may contain an oxygen atom between the carbon atom-carbon atom bonds. Any hydrogen atom of the alkyl group may be substituted with a fluorine atom. Also, the alkyl group may contain an unsaturated bond.
- R2 represents a lithium ion, sodium ion or potassium ion
- the bond between the nitrogen atom and R2 in general formula (1) represents an ionic bond.
- n is an integer of 0-3. ]
- the cyclic carbonate is at least one selected from the group consisting of ethylene carbonate, propylene carbonate, and fluoroethylene carbonate
- the chain carbonate is the group consisting of ethyl methyl carbonate, dimethyl carbonate, diethyl carbonate, and methyl propyl carbonate.
- the content of the compound represented by the general formula (1) with respect to the total amount of the compound represented by the general formula (1), the solute, and the non-aqueous organic solvent is 0.001% by mass to 10.0% by mass. %, the nonaqueous electrolytic solution according to any one of [1] to [7].
- At least one compound selected from the group consisting of compounds represented by the following general formulas (2) to (3) is added in an amount of 0.01% to 5.0% by mass with respect to the total amount of the non-aqueous electrolyte
- [General formula (2) is a compound having a cyclic skeleton composed of 4 to 7 atoms selected from carbon atoms, oxygen atoms, and sulfur atoms. have one.
- the cyclic skeleton may contain an unsaturated bond.
- the state of the sulfur atom forming the cyclic skeleton is selected from S, SO and SO2.
- l represents the number of carbon atoms contained in the cyclic skeleton.
- R 3 is bonded to a carbon atom forming a cyclic skeleton and each independently represents a hydrogen atom, a fluorine atom or an aliphatic hydrocarbon group having 1 to 6 carbon atoms, the aliphatic hydrocarbon group being an oxygen atom; and an unsaturated bond, and any hydrogen atom of the aliphatic hydrocarbon group may be substituted with a fluorine atom.
- the carbon atoms forming the cyclic skeleton are adjacent to each other, these carbon atoms may be combined to form an aromatic ring, and the aromatic ring has a hydrocarbon group having 1 to 4 carbon atoms. may be combined.
- the hydrocarbon group bonded to the aromatic ring may contain at least one of an oxygen atom and an unsaturated bond, and any hydrogen atom of the hydrocarbon group may be substituted with a fluorine atom.
- X represents a sulfonyl group or a ketone group
- R 4 and R 5 are each independently selected from aliphatic hydrocarbon groups having 1 to 10 carbon atoms. At least one selected from the group consisting of a fluorine atom, an oxygen atom, an unsaturated bond, and an ester bond may be present in the aliphatic hydrocarbon group.
- a non-aqueous electrolyte battery comprising a positive electrode, a negative electrode, and the non-aqueous electrolyte according to any one of [1] to [10].
- each R 1 independently represents POF 2 or SO 2 F f .
- R 2 each independently represents a hydrogen atom, a lithium ion, a sodium ion, a potassium ion, or a linear or branched alkyl group having 1 to 12 carbon atoms or 3 to 12 carbon atoms; Oxygen atoms may be included between the carbon atom-carbon atom bonds therein. Any hydrogen atom of the alkyl group may be substituted with a fluorine atom. Also, the alkyl group may contain an unsaturated bond.
- R2 represents a lithium ion, sodium ion or potassium ion
- the bond between the nitrogen atom and R2 in general formula (1) represents an ionic bond.
- n is an integer of 0-3.
- non-aqueous electrolyte and a non-aqueous electrolyte battery with a low initial resistance value.
- a compound that can be suitably used in the non-aqueous electrolyte it is possible to provide a compound that can be suitably used in the non-aqueous electrolyte.
- the initial resistance value represents the resistance value of the non-aqueous electrolyte battery at the time of the first charge/discharge after the initial charge/discharge operation for battery stabilization. Specifically, it refers to a resistance value obtained by impedance measurement during the first charge/discharge after three cycles of charge/discharge for battery stabilization.
- the non-aqueous electrolyte of the present disclosure is a non-aqueous electrolyte containing the compound represented by the general formula (1), a solute, and a non-aqueous organic solvent.
- the non-aqueous electrolytic solution of the present disclosure contains a compound represented by general formula (1) (hereinafter sometimes referred to as "component (I)” or simply “(I)”).
- component (I) a compound represented by general formula (1)
- the non-aqueous electrolyte containing the component (I) is used in a non-aqueous electrolyte battery (for example, a lithium ion secondary battery or a sodium ion secondary battery)
- the component (I) is present on at least the positive electrode and the negative electrode. It decomposes at a high temperature and forms a film with good ion conductivity on at least one of the surfaces of the positive electrode and the negative electrode.
- this film suppresses direct contact between the non-aqueous organic solvent or solute and the electrode active material, and lowers the Li or Na ion dissociation energy of the solute.
- the present inventors presume that the effect of lowering the initial resistance of the non-aqueous electrolyte battery is achieved.
- each R 1 independently represents PO(R f ) 2 or SO 2 R f .
- Each R f independently represents a fluorine atom or a straight-chain or branched alkyl group having 1 to 4 carbon atoms or a branched alkyl group having 3 to 4 carbon atoms, and the carbon atom-carbon atom bond in the alkyl group may contain an oxygen atom. Any hydrogen atom of the alkyl group may be substituted with a fluorine atom.
- R f represents a linear or branched alkyl group having 1 to 4 carbon atoms or 3 to 4 carbon atoms
- R f represents a linear or branched alkyl group having 1 to 4 carbon atoms or 3 to 4 carbon atoms
- R f represents a linear or branched alkyl group having 1 to 4 carbon atoms or 3 to 4 carbon atoms
- a methyl group an ethyl group, an n-propyl group, an isopropyl group, an n- butyl group, sec-butyl group, isobutyl group, tert-butyl group, trifluoromethyl group, pentafluoroethyl group, heptafluoropropyl group, heptafluoroisopropyl group, nonafluoro-n-butyl group and the like. Among them, a trifluoromethyl group is preferred.
- R f is preferably a fluorine atom.
- Each R 1 is preferably POF 2 or SO 2 F, and more preferably both R 1 are SO 2 F.
- each R 2 is independently a hydrogen atom, a lithium ion, a sodium ion, a potassium ion, or a linear or branched alkyl group having 1 to 12 carbon atoms or 3 to 12 carbon atoms.
- R 2 represents a linear or branched alkyl group having 1 to 12 carbon atoms or a branched alkyl group having 3 to 12 carbon atoms
- R 2 represents a linear or branched alkyl group having 1 to 12 carbon atoms or a branched alkyl group having 3 to 12 carbon atoms
- R 2 represents a linear or branched alkyl group having 1 to 12 carbon atoms or a branched alkyl group having 3 to 12 carbon atoms
- R 2 represents a linear or branched alkyl group having 1 to 12 carbon atoms or a branched alkyl group having 3 to 12 carbon atoms
- An oxygen atom may be included between the carbon atom-carbon atom bonds in the alkyl group.
- Specific examples of the alkyl group containing an oxygen atom between carbon atom-carbon atom bonds include a 2-methoxyethyl group and a 2-ethoxyethyl group.
- any hydrogen atom in the above alkyl group may be substituted with a fluorine atom.
- the alkyl group in which any hydrogen atom is substituted with a fluorine atom include a trifluoromethyl group, a difluoromethyl group, a fluoromethyl group, a 2,2,2-trifluoroethyl group, a 2,2-difluoroethyl group, 2-fluoroethyl group, 3-fluoropropyl group, 3,3,3-trifluoropropyl group, 2,2,3,3,3-pentafluoropropyl group, 2,2,3,3-tetrafluoropropyl group , hexafluoroisopropyl group and the like.
- alkyl group may contain an unsaturated bond.
- Alkyl groups containing unsaturated bonds include vinyl, 1-propenyl, 2-propenyl, ethynyl, and 2-propynyl groups.
- the above alkyl group is preferably an alkyl group having 6 or less carbon atoms because it can reduce the resistance when a film is formed on the electrode.
- the alkyl group is more preferably an alkyl group having 4 or less carbon atoms, and particularly preferably a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, or tert-butyl group. .
- R 2 is each independently preferably a hydrogen atom, a lithium ion, a sodium ion, or a linear or branched alkyl group having 1 to 4 carbon atoms or a branched alkyl group having 3 to 4 carbon atoms; It is more preferably an ion, a sodium ion, or a methyl group, and even more preferably both R 2 are lithium ions or both R 2 are methyl groups.
- n represents an integer of 0 to 3, preferably 0 or 1, more preferably 0, from the viewpoint of keeping the resistance of the film as low as possible.
- the compound represented by general formula (1) is preferably at least one selected from the group consisting of compounds represented by the following formulas (1a) to (1z). More preferably, a compound represented by formula (1a) (also referred to as compound (1a)), a compound represented by formula (1b) (also referred to as compound (1b)), or a compound represented by formula (1c) from a compound (also referred to as compound (1c)), a compound represented by formula (1e) (also referred to as compound (1e)), and a compound represented by formula (1t) (also referred to as compound (1t)) It is at least one selected from the group consisting of, particularly preferably compound (1a).
- the present disclosure also relates to the compound represented by the general formula (1) and the compound (1a).
- the compound represented by general formula (1) is preferably used as an additive.
- the total amount ( Hereinafter, also referred to as “the concentration of the compound represented by the general formula (1)”), the lower limit is preferably 0.001% by mass or more, more preferably 0.01% by mass or more, and further Preferably, it is 0.1% by mass or more.
- the upper limit of the concentration of the compound represented by the general formula (1) is preferably 10.0% by mass or less, more preferably 5.0% by mass or less, and still more preferably 2.0% by mass or less. be.
- the concentration of the compound represented by the general formula (1) is 10.0% by mass or less, the viscosity increase of the non-aqueous electrolyte can be suppressed, and the non-aqueous electrolyte battery using the non-aqueous electrolyte can be improved. It becomes easy to obtain the effect of improving the high-temperature cycle characteristics.
- one type of compound may be used alone, or two or more types of compounds may be used in any combination and mixed in a ratio according to the application. You can use it as
- the method for synthesizing the compound represented by the general formula (1) is not particularly limited.
- a chloride It can be synthesized by reacting oxalyl with MeSO2NH2 .
- the non-aqueous electrolyte of the present disclosure contains a solute.
- the solute is not particularly limited, it is preferably an ionic salt, more preferably an ionic salt containing fluorine.
- solute examples include at least one cation selected from the group consisting of alkali metal ions such as lithium ions and sodium ions, alkaline earth metal ions, and quaternary ammonium ions, hexafluorophosphate anions, tetrafluoro Borate anion, perchlorate anion, hexafluoroarsenate anion, hexafluoroantimonate anion, trifluoromethanesulfonate anion, bis(trifluoromethanesulfonyl)imide anion, bis(pentafluoroethanesulfonyl)imide anion, (trifluoromethanesulfonyl) ) (pentafluoroethanesulfonyl)imide anion, bis(fluorosulfonyl)imide anion, (trifluoromethanesulfonyl)(fluorosulfonyl)imide anion, (penta)
- solutes may be used alone, or two or more types may be mixed and used in an arbitrary combination and ratio according to the application.
- the cation is at least one selected from the group consisting of lithium, sodium, magnesium, and quaternary ammonium, and the anion is hexafluorophosphate.
- the total amount of solutes in the non-aqueous electrolytic solution of the present disclosure (hereinafter also referred to as “solute concentration”) is not particularly limited, but the lower limit is preferably 0.5 mol/L or more, more preferably 0.7 mol/L. L or more, more preferably 0.9 mol/L or more. Also, the upper limit of the solute concentration is preferably 5.0 mol/L or less, more preferably 4.0 mol/L or less, and still more preferably 2.0 mol/L or less.
- the solute concentration By setting the solute concentration to 0.5 mol/L or more, it is possible to suppress the deterioration of the cycle characteristics and output characteristics of the non-aqueous electrolyte battery due to the decrease in ionic conductivity. It is possible to suppress the decrease in ionic conductivity, the cycle characteristics of the non-aqueous electrolyte battery, and the output characteristics due to an increase in the viscosity of the electrolyte.
- Non-aqueous organic solvent used in the non-aqueous electrolytic solution of the present disclosure is not particularly limited as long as it can dissolve the above (I) and (II).
- carbonates, esters, ethers, lactones , nitriles, imides, sulfones and the like can be used.
- EMC ethyl methyl carbonate
- DMC dimethyl carbonate
- DEC diethyl carbonate
- methyl propyl carbonate ethyl propyl carbonate
- ethyl propyl carbonate methyl butyl carbonate
- 2,2,2-trifluoroethyl methyl carbonate 2,2,2-trifluoroethyl ethyl carbonate
- 2,2,2-trifluoroethyl propyl carbonate bis(2,2,2 -trifluoroethyl) carbonate, 1,1,1,3,3,3-hexafluoro-1-propylmethyl carbonate, 1,1,1,3,3,3-hexafluoro-1-propylethyl carbonate, 1 , 1,1,3,3,3-hexafluoro-1-propylpropyl carbonate, bis(1,1,3,3,3-hexafluoro-1-propylpropyl)
- the non-aqueous organic solvent is at least one selected from the group consisting of cyclic carbonates and chain carbonates from the viewpoint of excellent cycle characteristics at high temperatures. Moreover, it is preferable that the non-aqueous organic solvent is at least one selected from the group consisting of esters, since the input/output characteristics at low temperatures are excellent.
- cyclic carbonate examples include EC, PC, butylene carbonate, FEC, etc.
- EC EC
- PC butylene carbonate
- FEC fluorescence-activated carbonate
- at least one selected from the group consisting of EC, PC, and FEC is preferable.
- chain carbonate examples include EMC, DMC, DEC, methylpropyl carbonate, ethylpropyl carbonate, 2,2,2-trifluoroethylmethyl carbonate, 2,2,2-trifluoroethylethyl carbonate, 1,1, 1,3,3,3-hexafluoro-1-propylmethyl carbonate and 1,1,1,3,3,3-hexafluoro-1-propylethyl carbonate, among others EMC, DMC, DEC, and at least one selected from the group consisting of methyl propyl carbonate.
- esters include methyl acetate, ethyl acetate, methyl propionate, ethyl propionate, methyl 2-fluoropropionate, and ethyl 2-fluoropropionate.
- additive components generally used in the non-aqueous electrolytic solution of the present disclosure may be further added at any ratio.
- specific examples of other additives include cyclohexylbenzene, cyclohexylfluorobenzene, fluorobenzene, biphenyl, difluoroanisole, tert-butylbenzene, tert-amylbenzene, 2-fluorotoluene, 2-fluorobiphenyl, vinylene carbonate, and dimethylvinylene.
- the nonaqueous electrolytic solution of the present disclosure may further contain at least one compound selected from the group consisting of compounds represented by the following general formulas (2) to (3).
- the content of at least one compound selected from the group consisting of compounds represented by the following general formulas (2) to (3) is 0.01% by mass to 5.0% by mass with respect to the total amount of the non-aqueous electrolyte. %.
- [General formula (2) is a compound having a cyclic skeleton composed of 4 to 7 atoms selected from carbon atoms, oxygen atoms, and sulfur atoms. have one.
- the cyclic skeleton may contain an unsaturated bond.
- the state of the sulfur atom forming the cyclic skeleton is selected from S, SO and SO2.
- l represents the number of carbon atoms contained in the cyclic skeleton.
- R 3 is bonded to a carbon atom forming a cyclic skeleton and each independently represents a hydrogen atom, a fluorine atom or an aliphatic hydrocarbon group having 1 to 6 carbon atoms, the aliphatic hydrocarbon group being an oxygen atom; and an unsaturated bond, and any hydrogen atom of the aliphatic hydrocarbon group may be substituted with a fluorine atom.
- the carbon atoms forming the cyclic skeleton are adjacent to each other, these carbon atoms may be combined to form an aromatic ring, and the aromatic ring has a hydrocarbon group having 1 to 4 carbon atoms. may be combined.
- the hydrocarbon group bonded to the aromatic ring may contain at least one of an oxygen atom and an unsaturated bond, and any hydrogen atom of the hydrocarbon group may be substituted with a fluorine atom.
- the cyclic skeleton of general formula (2) has 4 to 7 atoms selected from carbon atoms, oxygen atoms, and sulfur atoms as ring members.
- X represents a sulfonyl group or a ketone group
- R 4 and R 5 are each independently selected from aliphatic hydrocarbon groups having 1 to 10 carbon atoms. At least one selected from the group consisting of a fluorine atom, an oxygen atom, an unsaturated bond, and an ester bond may be present in the aliphatic hydrocarbon group.
- the non-aqueous electrolyte of the present disclosure may further contain a compound represented by the following general formula (4).
- R 6 to R 8 are each independently a fluorine atom, a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group having 3 to 10 carbon atoms, a -10 straight-chain alkoxy groups, branched alkoxy groups with 3-10 carbon atoms, alkenyl groups with 2-10 carbon atoms, alkenyloxy groups with 2-10 carbon atoms, alkynyl groups with 2-10 carbon atoms group, alkynyloxy group having 2 to 10 carbon atoms, cycloalkyl group having 3 to 10 carbon atoms, cycloalkoxy group having 3 to 10 carbon atoms, cycloalkenyl group having 3 to 10 carbon atoms, 3 carbon atoms 10 cycloalkenyloxy groups, aryl groups having 6 to 10 carbon atoms, and aryloxy groups having 6 to 10 carbon atoms, wherein the organic group contains a fluorine atom, an oxygen atom,
- R 6 to R 8 is a fluorine atom.
- M m+ is an alkali metal cation, an alkaline earth metal cation, or an onium cation, where m represents an integer of the same number as the valence of the corresponding cation.
- the compound (salt having an imide anion) represented by the general formula (4) has at least one PF bond or SF bond, excellent low temperature properties can be obtained.
- At least one of R 6 to R 8 is a fluorine atom; At least one of R 6 to R 8 is preferably a compound selected from hydrocarbon groups having 6 or less carbon atoms which may contain fluorine atoms.
- At least one of R 6 to R 8 is a fluorine atom; at least one of R 6 to R 8 is a methyl group, methoxy group, ethyl group, ethoxy group, propyl group, propoxyl group, vinyl group, allyl group, allyloxy group, ethynyl group, 2-propynyl group, 2-propynyloxy group, phenyl group, phenyloxy group, 2,2-difluoroethyl group, 2,2-difluoroethyloxy group, 2,2,2-trifluoroethyl group, 2,2,2-trifluoroethyloxy group, 2 , 2,3,3-tetrafluoropropyl group, 2,2,3,3-tetrafluoropropyloxy group, 1,1,1,3,3,3-hexafluoroisopropyl group, and 1,1,1, Compounds selected from 3,3,3-
- the counter cation M m+ of the salt having the imide anion represented by the general formula (4) is preferably selected from the group consisting of lithium ion, sodium ion, potassium ion and tetraalkylammonium ion.
- the alkyl group and alkoxyl group represented by R 6 to R 8 include methyl group, ethyl group, propyl group, isopropyl group, butyl group, sec-butyl group, tertiary butyl group, pentyl group, 2,2-difluoroethyl group, 2,2,2-trifluoroethyl group, 2,2,3,3-tetrafluoropropyl group, and 1,1,1,3,3,3 Examples include alkyl groups having 1 to 10 carbon atoms such as -hexafluoroisopropyl group, fluorine-containing alkyl groups, and alkoxy groups derived from these groups.
- the alkenyl group and alkenyloxy group include alkenyl groups having 2 to 10 carbon atoms such as vinyl group, allyl group, 1-propenyl group, isopropenyl group, 2-butenyl group, and 1,3-butadienyl group. Examples include fluorine alkenyl groups and alkenyloxy groups derived from these groups.
- the alkynyl group and alkynyloxy group include alkynyl groups and fluorine-containing alkynyl groups having 2 to 10 carbon atoms such as ethynyl group, 2-propynyl group, and 1,1 dimethyl-2-propynyl group, and these groups. Examples include derivatized alkynyloxy groups.
- Cycloalkyl groups and cycloalkoxy groups include cycloalkyl groups and fluorine-containing cycloalkyl groups having 3 to 10 carbon atoms such as cyclopentyl and cyclohexyl groups, and cycloalkoxy groups derived from these groups. .
- the cycloalkenyl group and cycloalkenyloxy group include cycloalkenyl groups and fluorine-containing cycloalkenyl groups having 3 to 10 carbon atoms such as cyclopentenyl group and cyclohexenyl group, and cycloalkenyloxy groups derived from these groups. groups.
- Aryl groups and aryloxy groups include aryl groups and fluorine-containing aryl groups having 6 to 10 carbon atoms such as phenyl, tolyl, and xylyl groups, and aryloxy groups derived from these groups. .
- the content of the other additive in the nonaqueous electrolyte is preferably 0.01% by mass or more and 8.0% by mass or less with respect to the total amount of the nonaqueous electrolyte.
- the negative electrode film can be used as “other additives”. Formation effect and positive electrode protection effect can be exhibited.
- the content in the non-aqueous electrolyte is preferably 0.01% by mass to 5.0% by mass.
- ionic salts in this case include lithium trifluoromethanesulfonate, sodium trifluoromethanesulfonate, potassium trifluoromethanesulfonate, magnesium trifluoromethanesulfonate, lithium bis(trifluoromethanesulfonyl)imide, and bis(trifluoromethanesulfonyl).
- Alkali metal salts other than the above solutes may be used as additives.
- Specific examples include carboxylates such as lithium acrylate, sodium acrylate, lithium methacrylate, and sodium methacrylate, and sulfate ester salts such as lithium methyl sulfate, sodium methyl sulfate, lithium ethyl sulfate, and sodium ethyl sulfate. .
- the non-aqueous electrolyte of the present disclosure contains vinylene carbonate, lithium bis(oxalato)borate, lithium difluorooxalatoborate, lithium difluorobis(oxalato)phosphate, tetrafluorooxalatophosphoric acid.
- At least one selected from lithium difluorooxalatoborate, lithium (difluorophosphoryl)(fluorosulfonyl)imide, and lithium difluorobis(oxalato)phosphate is more preferable from the viewpoint of suppressing an increase in initial resistance value.
- non-aqueous electrolyte of the present disclosure can also contain a polymer, and the non-aqueous electrolyte is pseudo-solidified with a gelling agent or a cross-linked polymer as in the case of using a non-aqueous electrolyte battery called a polymer battery. It is also possible to use Polymer solid electrolytes also include those containing non-aqueous organic solvents as plasticizers.
- the polymer is not particularly limited as long as it is an aprotic polymer capable of dissolving the compound represented by the general formula (1), the solute and the other additives.
- examples thereof include polymers having polyethylene oxide as a main chain or side chain, homopolymers or copolymers of polyvinylidene fluoride, methacrylic acid ester polymers, polyacrylonitrile, and the like.
- an aprotic non-aqueous organic solvent is preferred among the above non-aqueous organic solvents.
- the non-aqueous electrolyte battery of the present disclosure includes at least the non-aqueous electrolyte of the present disclosure, a negative electrode, and a positive electrode. Furthermore, it is preferable to include a separator, an outer package, and the like.
- the negative electrode is not particularly limited, it is preferable to use a material in which alkali metal ions such as lithium ions and sodium ions, or alkaline earth metal ions can be reversibly intercalated and deintercalated.
- the positive electrode is not particularly limited, it is preferable to use a material in which alkali metal ions such as lithium ions and sodium ions, or alkaline earth metal ions can be reversibly intercalated and deintercalated.
- the cation is lithium
- lithium metal when the cation is lithium
- a conductive polymer or the like is used.
- the carbon material include graphitizable carbon, non-graphitizable carbon (also called hard carbon) having a (002) plane spacing of 0.37 nm or more, and (002) plane spacing of 0.37 nm or more.
- Graphite of 37 nm or less can be used, and the latter includes artificial graphite, natural graphite, and the like.
- Phosphate compounds of transition metals oxides such as TiO 2 , V 2 O 5 and MoO 3 , sulfides such as TiS 2 and FeS, conductive polymers such as polyacetylene, polyparaphenylene, polyaniline and polypyrrole, activated carbon , a polymer that generates radicals, a carbon material, or the like is used.
- Acetylene black, ketjen black, carbon fiber, or graphite as a conductive material, and polytetrafluoroethylene, polyvinylidene fluoride, or SBR resin as a binder are added to the positive electrode and negative electrode materials, and then molded into a sheet.
- An electrode sheet can be used.
- Nonwoven fabrics and porous sheets made of polypropylene, polyethylene, paper, glass fiber, etc. are used as separators to prevent contact between the positive and negative electrodes.
- a coin-shaped, cylindrical, rectangular, or aluminum laminate sheet-shaped electrochemical device is assembled from each of the above elements.
- Example 1-2, Comparative Examples 1-2 to 1-5> (Preparation of non-aqueous electrolyte 1-2 and comparative non-aqueous electrolytes 1-2 to 1-5)
- 1-2 and comparative non-aqueous electrolytes 1-2 to 1-5 were obtained.
- VC vinylene carbonate
- BOB lithium bis(oxalato)borate
- DFOB lithium difluorooxalatoborate
- TFOP lithium tetrafluorooxalatophosphate
- DFBOP difluorobisoxalathrine.
- FS means lithium fluorosulfonate
- FSI means lithium bis(fluorosulfonyl)imide
- DFP lithium difluorophosphate
- PRS means 1,3-propene sultone.
- Example 2-1 Comparative Examples 2-1 to 2-3> (Preparation of non-aqueous electrolyte 2-1 and comparative non-aqueous electrolytes 2-1 to 2-3) Furthermore, as other additives, vinylene carbonate was added to the concentration shown in Table 2 and dissolved. , and 1-5, to obtain a non-aqueous electrolyte 2-1 and comparative non-aqueous electrolytes 2-1 to 2-3, respectively.
- Example 3-1 Comparative Examples 3-1 to 3-3> (Preparation of non-aqueous electrolyte 3-1 and comparative non-aqueous electrolytes 3-1 to 3-3)
- Non-aqueous electrolytic solution 3-1 was prepared in the same manner as in the preparation of non-aqueous electrolytic solution 2-1 and comparative non-aqueous electrolytic solutions 2-1 to 2-3, except that vinylene carbonate was changed to lithium bis(oxalato)borate.
- Comparative Nonaqueous Electrolyte Solutions 3-1 to 3-3 were obtained, respectively.
- Example 4-1 Comparative Examples 4-1 to 4-3> (Preparation of non-aqueous electrolyte 4-1 and comparative non-aqueous electrolytes 4-1 to 4-3)
- Non-aqueous electrolyte solution 4-1 Comparative non-aqueous electrolyte solutions 2-1 to 2-3 were prepared in the same manner as Non-aqueous electrolyte solution 2-1, Comparative Non-aqueous electrolyte solutions 2-1 to 2-3, except that vinylene carbonate was changed to lithium difluorooxalatoborate. Comparative non-aqueous electrolytes 4-1 to 4-3 were obtained, respectively.
- Example 5-1 Comparative Examples 5-1 to 5-3> (Preparation of non-aqueous electrolyte 5-1 and comparative non-aqueous electrolytes 5-1 to 5-3) Non-aqueous electrolyte solution 5- 1 and Comparative Nonaqueous Electrolyte Solutions 5-1 to 5-3 were obtained, respectively.
- Non-aqueous electrolyte solution 6-1 was prepared in the same manner as in the preparation of non-aqueous electrolyte solutions 2-1 and comparative non-aqueous electrolyte solutions 2-1 to 2-3, except that vinylene carbonate was changed to lithium tetrafluorooxalate. , Comparative Nonaqueous Electrolyte Solutions 6-1 to 6-3 were obtained, respectively.
- Example 7-1 Comparative Examples 7-1 to 7-3> (Preparation of non-aqueous electrolyte 7-1 and comparative non-aqueous electrolytes 7-1 to 7-3)
- Non-aqueous electrolyte solution 7-1 in the same manner as in the preparation of non-aqueous electrolyte solution 2-1 and comparative non-aqueous electrolyte solutions 2-1 to 2-3, except that vinylene carbonate was changed to bis(fluorosulfonyl)imide lithium.
- Comparative Nonaqueous Electrolyte Solutions 7-1 to 7-3 were obtained, respectively.
- Example 8-1 Comparative Examples 8-1 to 8-3> (Preparation of non-aqueous electrolyte 8-1 and comparative non-aqueous electrolytes 8-1 to 8-3)
- Non-aqueous electrolyte solutions 8-1, 8-1, Comparative non-aqueous electrolytes 8-1 to 8-3 were obtained, respectively.
- NCM622 positive electrode 92% by mass of LiNi 0.6 Co 0.2 Mn 0.2 O 2 powder, 3.5% by mass of polyvinylidene fluoride (hereinafter also referred to as PVDF) as a binder, and 4.5% by mass of acetylene black as a conductive material. %, and then N-methyl-2-pyrrolidone was added to prepare a positive electrode mixture paste. This paste was applied to both sides of an aluminum foil (A1085), dried and pressed, and then punched out to a size of 4 cm ⁇ 5 cm to obtain an NCM622 positive electrode for testing.
- PVDF polyvinylidene fluoride
- a negative electrode mixture paste was prepared by mixing 97% by mass of artificial graphite powder with 2% by mass of styrene-butadiene rubber, 1% by mass of carboxymethylcellulose sodium, and water. This paste was applied to one side of a copper foil, dried and pressurized, and then punched out into a size of 4 cm ⁇ 5 cm to obtain an artificial graphite negative electrode for testing.
- non-aqueous electrolyte and a non-aqueous electrolyte battery with a low initial resistance value.
- a compound that can be suitably used in the non-aqueous electrolyte it is possible to provide a compound that can be suitably used in the non-aqueous electrolyte.
Abstract
Description
[1]
下記一般式(1)で表される化合物、溶質、及び非水有機溶媒を含有する非水電解液。
R2は、それぞれ独立に、水素原子、リチウムイオン、ナトリウムイオン、カリウムイオン、又は炭素原子数1~12の直鎖若しくは炭素原子数3~12の分岐状のアルキル基を表し、前記アルキル基中の炭素原子-炭素原子結合間には、酸素原子が含まれていてもよい。また、前記アルキル基の任意の水素原子はフッ素原子に置換されていても良い。また、前記アルキル基には不飽和結合が含まれていてもよい。R2がリチウムイオン、ナトリウムイオン又はカリウムイオンを表す場合、一般式(1)中の窒素原子とR2との結合はイオン結合を表す。nは、0~3の整数である。]
前記一般式(1)中のR1がそれぞれ独立に、POF2又はSO2Fである[1]に記載の非水電解液。
前記一般式(1)中のR1が、いずれもSO2Fである[1]又は[2]に記載の非水電解液。
前記一般式(1)中のR2がそれぞれ独立に、水素原子、リチウムイオン、ナトリウムイオン、又は炭素原子数1~4の直鎖若しくは炭素原子数3~4の分岐状のアルキル基を表す[1]~[3]のいずれか1項に記載の非水電解液。
前記一般式(1)で表される化合物が、下記式(1a)で表される化合物である、[1]~[4]のいずれか1項に記載の非水電解液。
前記非水有機溶媒が、環状カーボネート及び鎖状カーボネートからなる群から選ばれる少なくとも1種を含有する、[1]~[5]のいずれか1項に記載の非水電解液。
前記環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、及びフルオロエチレンカーボネートからなる群から選ばれる少なくとも1種であり、前記鎖状カーボネートが、エチルメチルカーボネート、ジメチルカーボネート、ジエチルカーボネート、及びメチルプロピルカーボネートからなる群から選ばれる少なくとも1種である、[6]に記載の非水電解液。
前記一般式(1)で表される化合物、前記溶質、及び前記非水有機溶媒の総量に対する、前記一般式(1)で表される化合物の含有量が0.001質量%~10.0質量%である、[1]~[7]のいずれか1項に記載の非水電解液。
更にビニレンカーボネート、ビス(オキサラト)ホウ酸リチウム、ジフルオロオキサラトホウ酸リチウム、ジフルオロビス(オキサラト)リン酸リチウム、テトラフルオロオキサラトリン酸リチウム、ビス(フルオロスルホニル)イミドリチウム、及び(ジフルオロホスホリル)(フルオロスルホニル)イミドリチウムから選ばれる少なくとも1種を、前記非水電解液の総量に対して0.01質量%~5.0質量%含有する、[1]~[8]のいずれか1項に記載の非水電解液。
更に下記一般式(2)~(3)で表される化合物からなる群から選ばれる少なくとも1種の化合物を、前記非水電解液の総量に対して0.01質量%~5.0質量%含有する、[1]~[9]のいずれか1項に記載の非水電解液。
正極と、負極と、[1]~[10]のいずれか1項に記載の非水電解液を含む、非水電解液電池。
下記式(1)で表される化合物。
R2は、それぞれ互いに独立に、水素原子、リチウムイオン、ナトリウムイオン、カリウムイオン、又は炭素原子数1~12の直鎖若しくは炭素原子数3~12の分岐状のアルキル基を表し、前記アルキル基中の炭素原子-炭素原子結合間には、酸素原子が含まれていてもよい。また、前記アルキル基の任意の水素原子はフッ素原子に置換されていても良い。また、前記アルキル基には不飽和結合が含まれていてもよい。R2がリチウムイオン、ナトリウムイオン又はカリウムイオンを表す場合、一般式(1)中の窒素原子とR2との結合はイオン結合を表す。
nは、0~3の整数である。]
下記式(1a)で表される化合物。
本開示の非水電解液は、上記一般式(1)で表される化合物、溶質、及び非水有機溶媒を含有する非水電解液である。
本開示の非水電解液は、一般式(1)で表される化合物(以降、「成分(I)」や単に「(I)」と記載する場合がある)を含む。
上記成分(I)を含む非水電解液を、非水電解液電池(例えばリチウムイオン二次電池、又はナトリウムイオン二次電池)に用いると、成分(I)は少なくとも正極上及び負極上のいずれかで分解し、イオン伝導性の良い被膜を少なくとも正極及び負極のいずれかの表面に形成する。この皮膜は、非水有機溶媒や溶質と電極活物質との間の直接の接触を抑制し、溶質のLi又はNaイオン乖離エネルギーを低下させると考えられる。その結果、非水電解液電池の初期抵抗の低下効果を奏するものであると本発明者らは推定している。
一般式(1)中、R1は、それぞれ互いに独立して、PO(Rf)2又はSO2Rfを表す。
Rfが炭素原子数1~4の直鎖若しくは炭素原子数3~4の分岐状のアルキル基を表す場合の具体例としては、メチル基、エチル基、n-プロピル基、イソプロピル基、n-ブチル基、sec-ブチル基、イソブチル基、tert-ブチル基、トリフルオロメチル基、ペンタフルオロエチル基、ヘプタフルオロプロピル基、ヘプタフルオロイソプロピル基、ノナフルオロ-n-ブチル基等が挙げられる。その中でも、トリフルオロメチル基が好ましい。
Rfはフッ素原子であることが好ましい。
PO(Rf)2における2つのRfは同一でも異なっていてもよい。
より好ましくは、式(1a)で表される化合物(化合物(1a)とも呼ぶ。)、式(1b)で表される化合物(化合物(1b)とも呼ぶ。)、式(1c)で表される化合物(化合物(1c)とも呼ぶ。)、式(1e)で表される化合物(化合物(1e)とも呼ぶ。)、及び式(1t)で表される化合物(化合物(1t)とも呼ぶ。)からなる群から選ばれる少なくとも1種であり、特に好ましくは化合物(1a)である。
一般式(1)で表される化合物の濃度を0.001質量%以上とすることで、該非水電解液を用いた非水電解液電池の初期抵抗上昇を抑制する効果が得られやすい。一方、一般式(1)で表される化合物の濃度を10.0質量%以下とすることで、該非水電解液の粘度上昇を抑制でき、該非水電解液を用いた非水電解液電池の高温サイクル特性向上効果が得られ易くなる。
本開示の非水電解液は、溶質を含有する。
溶質としては特に限定されないが、イオン性塩であることが好ましく、フッ素を含むイオン性塩であることがより好ましい。
中でも、非水電解液電池としてのエネルギー密度、出力特性、寿命等から考えると、カチオンはリチウム、ナトリウム、マグネシウム、及び四級アンモニウムからなる群から選ばれる少なくとも1種が、アニオンはヘキサフルオロリン酸アニオン、テトラフルオロホウ酸アニオン、ビス(トリフルオロメタンスルホニル)イミドアニオン、ビス(フルオロスルホニル)イミドアニオン、ビス(ジフルオロホスホリル)イミドアニオン、(ジフルオロホスホリル)(フルオロスルホニル)イミドアニオン、及びジフルオロリン酸アニオンからなる群から選ばれる少なくとも1種が好ましい。
本開示の非水電解液に用いる非水有機溶媒の種類は、上記(I)、(II)を溶解できるものであれば特に限定されず、例えば、カーボネート類、エステル類、エーテル類、ラクトン類、ニトリル類、イミド類、スルホン類等の任意の非水有機溶媒を用いることができる。
具体的には、エチルメチルカーボネート(以降「EMC」とも記載する。)、ジメチルカーボネート(以降「DMC」とも記載する。)、ジエチルカーボネート(以降「DEC」とも記載する。)、メチルプロピルカーボネート、エチルプロピルカーボネート、メチルブチルカーボネート、2,2,2-トリフルオロエチルメチルカーボネート、2,2,2-トリフルオロエチルエチルカーボネート、2,2,2-トリフルオロエチルプロピルカーボネート、ビス(2,2,2-トリフルオロエチル)カーボネート、1,1,1,3,3,3-ヘキサフルオロ-1-プロピルメチルカーボネート、1,1,1,3,3,3-ヘキサフルオロ-1-プロピルエチルカーボネート、1,1,1,3,3,3-ヘキサフルオロ-1-プロピルプロピルカーボネート、ビス(1,1,1,3,3,3-ヘキサフルオロ-1-プロピル)カーボネート、エチレンカーボネート(以降「EC」とも記載する。)、プロピレンカーボネート(以降「PC」とも記載する。)、ブチレンカーボネート、フルオロエチレンカーボネート(以降「FEC」とも記載する。)、ジフルオロエチレンカーボネート、酢酸メチル、酢酸エチル、プロピオン酸メチル、プロピオン酸エチル、2-フルオロプロピオン酸メチル、2-フルオロプロピオン酸エチル、ジエチルエーテル、ジブチルエーテル、ジイソプロピルエーテル、1,2-ジメトキシエタン、テトラヒドロフラン、2-メチルテトラヒドロフラン、フラン、テトラヒドロピラン、1,3-ジオキサン、1,4-ジオキサン、N,N-ジメチルホルムアミド、アセトニトリル、プロピオニトリル、ジメチルスルホキシド、スルホラン、γ-ブチロラクトン、及びγ-バレロラクトンからなる群から選ばれる少なくとも1種であることが好ましい。
また、本開示においては、非水有機溶媒として、塩構造を採るイオン液体を用いても良い。
本開示の要旨を損なわない限りにおいて、本開示の非水電解液に一般に用いられる添加成分を任意の比率でさらに添加しても良い。
その他の添加剤の具体例としては、シクロヘキシルベンゼン、シクロヘキシルフルオロベンゼン、フルオロベンゼン、ビフェニル、ジフルオロアニソール、tert-ブチルベンゼン、tert-アミルベンゼン、2-フルオロトルエン、2-フルオロビフェニル、ビニレンカーボネート、ジメチルビニレンカーボネート、ビニルエチレンカーボネート、フルオロエチレンカーボネート、trans-ジフルオロエチレンカーボネート、メチルプロパルギルカーボネート、エチルプロパルギルカーボネート、ジプロパルギルカーボネート、無水マレイン酸、無水コハク酸、メチレンメタンジスルホネート、ジメチレンメタンジスルホネート、トリメチレンメタンジスルホネート、メタンスルホン酸メチル、1,6-ジイソシアナトヘキサン、トリス(トリメチルシリル)ボレート、スクシノニトリル、(エトキシ)ペンタフルオロシクロトリホスファゼン、ジフルオロビス(オキサラト)リン酸リチウム、ジフルオロビス(オキサラト)リン酸ナトリウム、ジフルオロビス(オキサラト)リン酸カリウム、ジフルオロオキサラトホウ酸リチウム、ジフルオロオキサラトホウ酸ナトリウム、ジフルオロオキサラトホウ酸カリウム、ビス(オキサラト)ホウ酸リチウム、ビス(オキサラト)ホウ酸ナトリウム、ビス(オキサラト)ホウ酸カリウム、テトラフルオロオキサラトリン酸リチウム、テトラフルオロオキサラトリン酸ナトリウム、テトラフルオロオキサラトリン酸カリウム、トリス(オキサラト)リン酸リチウム、エチルフルオロリン酸リチウム、フルオロリン酸リチウム、エテンスルホニルフルオリド、フルオロスルホン酸リチウム、トリフルオロメタンスルホニルフルオリド、メタンスルホニルフルオリド、ジフルオロリン酸フェニル等の過充電防止効果、負極皮膜形成効果や正極保護効果を有する化合物が挙げられる。
下記一般式(2)~(3)で表される化合物からなる群から選ばれる少なくとも1種の化合物の含有量は、非水電解液の総量に対して0.01質量%~5.0質量%であることが好ましい。
上記環状骨格を持つ化合物は、-S(=O)2-O-部位以外がこの酸素原子に接続する順で-CH2-CH2-CH2-、-CH2-CH2-CH2-CH2-、-CH2-CH=CH-、-CH2-CH2-O-、-CH2-CH2-CH2-O-、-CH2-S(=O)2-O-CH2-、-S(=O)2-CH2-CH2-、-S(=O)2-CH2-CH2-CH2-であることが、電極上に耐久性の高い被膜を形成する事ができる点で好ましい。
[一般式(4)中、R6~R8はそれぞれ独立に、フッ素原子、炭素原子数1~10の直鎖アルキル基、炭素原子数3~10の分岐状のアルキル基、炭素原子数1~10の直鎖アルコキシ基、炭素原子数3~10の分岐状のアルコキシ基、炭素原子数2~10のアルケニル基、炭素原子数2~10のアルケニルオキシ基、炭素原子数2~10のアルキニル基、炭素原子数2~10のアルキニルオキシ基、炭素原子数3~10のシクロアルキル基、炭素原子数3~10のシクロアルコキシ基、炭素原子数3~10のシクロアルケニル基、炭素原子数3~10のシクロアルケニルオキシ基、炭素原子数6~10のアリール基、及び炭素原子数6~10のアリールオキシ基から選ばれる有機基であり、その有機基中、フッ素原子、酸素原子又は不飽和結合が存在することもできる。ただし、R6~R8の少なくとも1つはフッ素原子である。
Mm+は、アルカリ金属カチオン、アルカリ土類金属カチオン、又はオニウムカチオンであり、mは該当するカチオンの価数と同数の整数を表す。]
R6~R8の少なくとも1つがフッ素原子であり、
R6~R8の少なくとも1つがフッ素原子を含んでいてもよい炭素原子数6以下の炭化水素基から選ばれる化合物であることが好ましい。
R6~R8の少なくとも1つがフッ素原子であり、
R6~R8の少なくとも1つが、メチル基、メトキシ基、エチル基、エトキシ基、プロピル基、プロポキシル基、ビニル基、アリル基、アリルオキシ基、エチニル基、2-プロピニル基、2-プロピニルオキシ基、フェニル基、フェニルオキシ基、2,2-ジフルオロエチル基、2,2-ジフルオロエチルオキシ基、2,2,2-トリフルオロエチル基、2,2,2-トリフルオロエチルオキシ基、2,2,3,3-テトラフルオロプロピル基、2,2,3,3-テトラフルオロプロピルオキシ基、1,1,1,3,3,3-ヘキサフルオロイソプロピル基、及び1,1,1,3,3,3-ヘキサフルオロイソプロピルオキシ基から選ばれる化合物であることが好ましい。
この場合のイオン性塩としては、例えば、トリフルオロメタンスルホン酸リチウム、トリフルオロメタンスルホン酸ナトリウム、トリフルオロメタンスルホン酸カリウム、トリフルオロメタンスルホン酸マグネシウム、ビス(トリフルオロメタンスルホニル)イミドリチウム、ビス(トリフルオロメタンスルホニル)イミドナトリウム、ビス(トリフルオロメタンスルホニル)イミドカリウム、ビス(トリフルオロメタンスルホニル)イミドマグネシウム、ビス(フルオロスルホニル)イミドリチウム、ビス(フルオロスルホニル)イミドナトリウム、ビス(フルオロスルホニル)イミドカリウム、ビス(フルオロスルホニル)イミドマグネシウム、(トリフルオロメタンスルホニル)(フルオロスルホニル)イミドリチウム、(トリフルオロメタンスルホニル)(フルオロスルホニル)イミドナトリウム、(トリフルオロメタンスルホニル)(フルオロスルホニル)イミドカリウム、(トリフルオロメタンスルホニル)(フルオロスルホニル)イミドマグネシウム、ビス(ジフルオロホスホリル)イミドリチウム、ビス(ジフルオロホスホリル)イミドナトリウム、ビス(ジフルオロホスホリル)イミドカリウム、ビス(ジフルオロホスホリル)イミドマグネシウム、(ジフルオロホスホリル)(フルオロスルホニル)イミドリチウム、(ジフルオロホスホリル)(フルオロスルホニル)イミドナトリウム、(ジフルオロホスホリル)(フルオロスルホニル)イミドカリウム、(ジフルオロホスホリル)(フルオロスルホニル)イミドマグネシウム、(ジフルオロホスホリル)(トリフルオロメタンスルホニル)イミドリチウム、(ジフルオロホスホリル)(トリフルオロメタンスルホニル)イミドナトリウム、(ジフルオロホスホリル)(トリフルオロメタンスルホニル)イミドカリウム、(ジフルオロホスホリル)(トリフルオロメタンスルホニル)イミドマグネシウム、ジフルオロリン酸リチウム、ジフルオロリン酸ナトリウム等が挙げられる。
具体的には、アクリル酸リチウム、アクリル酸ナトリウム、メタクリル酸リチウム、メタクリル酸ナトリウムなどのカルボン酸塩、リチウムメチルサルフェート、ナトリウムメチルサルフェート、リチウムエチルサルフェート、ナトリウムエチルサルフェートなどの硫酸エステル塩などが挙げられる。
初期抵抗値上昇抑制の観点から、ジフルオロオキサラトホウ酸リチウム、(ジフルオロホスホリル)(フルオロスルホニル)イミドリチウム及びジフルオロビス(オキサラト)リン酸リチウムから選ばれる少なくとも1種がさらに好ましい。
本開示の非水電解液電池は、少なくとも、上記の本開示の非水電解液と、負極と、正極とを含む。さらには、セパレータや外装体等を含むことが好ましい。
100ml二口フラスコに塩化オキサリル1.0g, エチルメチルカーボネート10.0g、N-メチルスルファモイルフルオリド7.80gを入れ、0℃で攪拌しながらN,N,N’,N’-テトラメチルエチレンジアミンを0.96g滴下した。目的物の生成をNMRで確認後、ジエチルエーテルを20g加えたのち水洗浄を2回行った。油層を硫酸マグネシウムで乾燥後、濃縮乾固することにより白色固体0.6g(回収率27%)を得た。化合物(1a):
19F-NMR[基準物質;CFCl3、重溶媒CD3CN]、δppm;50.26 (s、2F)
1H-NMR[基準物質;(CH3)4Si、重溶媒CD3CN]、δppm;3.401 (s、6H)
<比較例1-1>
(LiPF6溶液の調製)
露点-60℃以下のグローブボックス内において、EC、FEC、EMC及びDMCを、EC:FEC:EMC:DMC=2:1:3:4の体積比率で混合させた。その後、内温を40℃以下に保ちながら1.0mol/Lの濃度となる量のLiPF6を添加し、攪拌して完全に溶解させる事でLiPF6溶液を得た。これを比較非水電解液1-1とした。
(非水電解液1-1の調製)
露点-60℃以下のグローブボックス内において、EC、FEC、EMC及びDMCを、EC:FEC:EMC:DMC=2:1:3:4の体積比率で混合させた。その後、内温を40℃以下に保ちながら1.0mol/Lの濃度となる量のLiPF6を加え、一般式(1)で表される化合物に該当する化合物(1a)を、非水有機溶媒と溶質と当該化合物(1a)の総量に対して0.5質量%の濃度となるように加え、1時間攪拌して溶解させることで実施例1-1の非水電解液1-1を調製した。
(非水電解液1-2、及び比較非水電解液1-2~1-5の調製)
一般式(1)で表される化合物(及び比較化合物)の種類や添加量を表1に記載のように変更した以外は非水電解液1-1の調製と同様にして、非水電解液1-2、及び比較非水電解液1-2~1-5を得た。なお、以降の表でVCはビニレンカーボネートを、BOBはビス(オキサラト)ホウ酸リチウムを、DFOBはジフルオロオキサラトホウ酸リチウムを、TFOPはテトラフルオロオキサラトリン酸リチウムを、DFBOPはジフルオロビスオキサラトリン酸リチウムを、FSはフルオロスルホン酸リチウムを、FSIはビス(フルオロスルホニル)イミドリチウムを、DFPはジフルオロリン酸リチウムを、PRSは1,3-プロペンスルトンを意味する。
(非水電解液2-1、及び比較非水電解液2-1~2-3の調製)
さらに、その他の添加剤として、ビニレンカーボネートを表2に記載の濃度となるように添加し、溶解させた以外は、非水電解液1-2、比較非水電解液1-1、1-3、及び1-5の調製と同様にして、非水電解液2-1、比較非水電解液2-1~2-3をそれぞれ得た。
(非水電解液3-1、及び比較非水電解液3-1~3-3の調製)
ビニレンカーボネートをビス(オキサラト)ホウ酸リチウムに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液3-1、比較非水電解液3-1~3-3をそれぞれ得た。
(非水電解液4-1、及び比較非水電解液4-1~4-3の調製)
ビニレンカーボネートをジフルオロオキサラトホウ酸リチウムに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液4-1、比較非水電解液4-1~4-3をそれぞれ得た。
(非水電解液5-1、及び比較非水電解液5-1~5-3の調製)
ビニレンカーボネートをジフルオロビス(オキサラト)リン酸リチウムに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液5-1、比較非水電解液5-1~5-3をそれぞれ得た。
(非水電解液6-1、及び比較非水電解液6-1~6-3の調製)
ビニレンカーボネートをテトラフルオロオキサラトリン酸リチウムに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液6-1、比較非水電解液6-1~6-3をそれぞれ得た。
(非水電解液7-1、及び比較非水電解液7-1~7-3の調製)
ビニレンカーボネートをビス(フルオロスルホニル)イミドリチウムに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液7-1、比較非水電解液7-1~7-3をそれぞれ得た。
(非水電解液8-1、及び比較非水電解液8-1~8-3の調製)
ビニレンカーボネートを1,3-プロペンスルトンに変更した以外は、非水電解液2-1、比較非水電解液2-1~2-3の調製と同様にして、非水電解液8-1、比較非水電解液8-1~8-3をそれぞれ得た。
(NCM622正極の作製)
LiNi0.6Co0.2Mn0.2O2粉末92質量%に、バインダーとしてポリフッ化ビニリデン(以下、PVDFとも記載する)を3.5質量%、導電材としてアセチレンブラックを4.5質量%混合し、さらにN-メチル-2-ピロリドンを添加し、正極合材ペーストを作製した。このペーストをアルミニウム箔(A1085)の両面に塗布して、乾燥、加圧を行った後に、4cm×5cmに打ち抜くことで試験用NCM622正極を得た。
人造黒鉛粉末質量97%に、スチレンブタジエンゴム2質量%、カルボキシメチルセルロースナトリウム1質量%と水を混合し、負極合材ペーストを作製した。このペーストを銅箔の片面に塗布して、乾燥、加圧を行った後に、4cm×5cmに打ち抜くことで試験用人造黒鉛負極を得た。
露点-50℃以下のアルゴン雰囲気で、上述のNCM622正極に端子を溶接した後に、その両側をポリエチレン製セパレータ(5cm×6cm)2枚で挟み、更にその外側を予め端子を溶接した人造黒鉛負極2枚で、負極活物質面が正極活物質面と対向するように挟み込んだ。そして、それらを一辺の開口部が残されたアルミラミネートの袋に入れ、非水電解液を真空注液した後に、開口部を熱で封止する事によって、実施例及び比較例のアルミラミネート型の非水電解液電池を作製した。なお、非水電解液として表1~8に記載のものを用いた。
-初期充放電-
非水電解液電池を25℃恒温槽に入れその状態で充放電装置と接続した。3mAで4.3Vまで充電を行った。4.3Vを1時間維持した後に、6mAで3.0Vまで放電を行った。これを充放電1サイクルとし、計3サイクルの充放電を行って電池を安定化させた。
初期充放電後25℃、6mAで4.3Vまで充電し、そのままインピーダンス測定により抵抗値を測定した。
本出願は、2021年1月22日出願の日本特許出願(特願2021-009171)に基づくものであり、その内容はここに参照として取り込まれる。
Claims (13)
- 下記一般式(1)で表される化合物、溶質、及び非水有機溶媒を含有する非水電解液。
[一般式(1)中、R1は、それぞれ独立して、PO(Rf)2又はSO2Rfを表す。Rfは、それぞれ独立に、フッ素原子、又は、炭素原子数1~4の直鎖若しくは炭素原子数3~4の分岐状のアルキル基を表し、前記アルキル基中の炭素原子-炭素原子結合間には、酸素原子が含まれていてもよい。また、前記アルキル基の任意の水素原子はフッ素原子に置換されていても良い。
R2は、それぞれ独立に、水素原子、リチウムイオン、ナトリウムイオン、カリウムイオン、又は炭素原子数1~12の直鎖若しくは炭素原子数3~12の分岐状のアルキル基を表し、前記アルキル基中の炭素原子-炭素原子結合間には、酸素原子が含まれていてもよい。また、前記アルキル基の任意の水素原子はフッ素原子に置換されていても良い。また、前記アルキル基には不飽和結合が含まれていてもよい。R2がリチウムイオン、ナトリウムイオン又はカリウムイオンを表す場合、一般式(1)中の窒素原子とR2との結合はイオン結合を表す。
nは、0~3の整数である。] - 前記一般式(1)中のR1がそれぞれ独立に、POF2又はSO2Fである請求項1に記載の非水電解液。
- 前記一般式(1)中のR1が、いずれもSO2Fである請求項1又は2に記載の非水電解液。
- 前記一般式(1)中のR2がそれぞれ独立に、水素原子、リチウムイオン、ナトリウムイオン、又は炭素原子数1~4の直鎖若しくは炭素原子数3~4の分岐状のアルキル基を表す請求項1~3のいずれか1項に記載の非水電解液。
- 前記非水有機溶媒が、環状カーボネート及び鎖状カーボネートからなる群から選ばれる少なくとも1種を含有する、請求項1~5のいずれか1項に記載の非水電解液。
- 前記環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、及びフルオロエチレンカーボネートからなる群から選ばれる少なくとも1種であり、前記鎖状カーボネートが、エチルメチルカーボネート、ジメチルカーボネート、ジエチルカーボネート、及びメチルプロピルカーボネートからなる群から選ばれる少なくとも1種である、請求項6に記載の非水電解液。
- 前記一般式(1)で表される化合物、前記溶質、及び前記非水有機溶媒の総量に対する、前記一般式(1)で表される化合物の含有量が0.001質量%~10.0質量%である、請求項1~7のいずれか1項に記載の非水電解液。
- 更に、ビニレンカーボネート、ビス(オキサラト)ホウ酸リチウム、ジフルオロオキサラトホウ酸リチウム、ジフルオロビス(オキサラト)リン酸リチウム、テトラフルオロオキサラトリン酸リチウム、ビス(フルオロスルホニル)イミドリチウム、及び(ジフルオロホスホリル)(フルオロスルホニル)イミドリチウムから選ばれる少なくとも1種を、前記非水電解液の総量に対して0.01質量%~5.0質量%含有する、請求項1~8のいずれか1項に記載の非水電解液。
- 更に下記一般式(2)~(3)で表される化合物からなる群から選ばれる少なくとも1種の化合物を、前記非水電解液の総量に対して0.01質量%~5.0質量%含有する、請求項1~9のいずれか1項に記載の非水電解液。
[一般式(2)は炭素原子、酸素原子、硫黄原子のいずれかの原子4~7個で構成された環状骨格を持つ化合物であり、環状骨格の中に隣接したスルホニル基と酸素原子を少なくとも1つ有している。環状骨格の中に不飽和結合を含んでいてもよい。環状骨格を形成する硫黄原子の状態はS、SO、SO2のいずれかから選ばれる。lは環状骨格中に含まれる炭素原子の数を表す。R3は環状骨格を形成する炭素原子と結合しており、それぞれ独立に、水素原子、フッ素原子又は炭素原子数1~6の脂肪族炭化水素基を表し、前記脂肪族炭化水素基は酸素原子及び不飽和結合の少なくとも1つを含んでいてもよく、前記脂肪族炭化水素基の任意の水素原子はフッ素原子に置換されていてもよい。また、環状骨格を形成する炭素原子が隣り合っている場合には、それらの炭素原子と一緒になって芳香環を形成してもよく、前記芳香環に炭素原子数1~4の炭化水素基が結合していてもよい。また、前記芳香環に結合した前記炭化水素基は酸素原子及び不飽和結合の少なくとも1つを含んでいてもよく、前記炭化水素基の任意の水素原子はフッ素原子に置換されていてもよい。
[一般式(3)中、Xはスルホニル基又はケトン基を表し、R4及びR5はそれぞれ独立に炭素原子数1~10の脂肪族炭化水素基から選ばれる。前記脂肪族炭化水素基中にはフッ素原子、酸素原子、不飽和結合、及びエステル結合からなる群より選択される少なくとも1つが存在することもできる。] - 正極と、負極と、請求項1~10のいずれか1項に記載の非水電解液を含む、非水電解液電池。
- 下記式(1)で表される化合物。
[一般式(1)中、R1は、それぞれ互いに独立して、POF2又はSO2Fを表す。
R2は、それぞれ互いに独立に、水素原子、リチウムイオン、ナトリウムイオン、カリウムイオン、又は炭素原子数1~12の直鎖若しくは炭素原子数3~12の分岐状のアルキル基を表し、前記アルキル基中の炭素原子-炭素原子結合間には、酸素原子が含まれていてもよい。また、前記アルキル基の任意の水素原子はフッ素原子に置換されていても良い。また、前記アルキル基には不飽和結合が含まれていてもよい。R2がリチウムイオン、ナトリウムイオン又はカリウムイオンを表す場合、一般式(1)中の窒素原子とR2との結合はイオン結合を表す。
nは、0~3の整数である。]
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JP2012109089A (ja) * | 2010-11-16 | 2012-06-07 | Toyota Motor Corp | 非水電解質およびその利用 |
JP2013152956A (ja) | 2010-02-12 | 2013-08-08 | Mitsubishi Chemicals Corp | 非水系電解液及び非水系電解液二次電池 |
WO2017111143A1 (ja) | 2015-12-22 | 2017-06-29 | セントラル硝子株式会社 | 非水電解液電池用電解液、及びこれを用いた非水電解液電池 |
JP2021009171A (ja) | 2017-09-28 | 2021-01-28 | パナソニックIpマネジメント株式会社 | 波長変換部材、光源、蛍光体粒子及び波長変換部材の製造方法 |
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2022
- 2022-01-14 KR KR1020237024547A patent/KR20230135070A/ko unknown
- 2022-01-14 CN CN202280011024.XA patent/CN116711120A/zh active Pending
- 2022-01-14 JP JP2022576653A patent/JPWO2022158397A1/ja active Pending
- 2022-01-14 US US18/273,663 patent/US20240120541A1/en active Pending
- 2022-01-14 WO PCT/JP2022/001223 patent/WO2022158397A1/ja active Application Filing
- 2022-01-14 EP EP22742519.6A patent/EP4283738A1/en active Pending
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JP3439085B2 (ja) | 1997-08-21 | 2003-08-25 | 三洋電機株式会社 | 非水系電解液二次電池 |
JP3438636B2 (ja) | 1998-08-27 | 2003-08-18 | 宇部興産株式会社 | 非水電解液およびそれを用いたリチウム二次電池 |
JP2013152956A (ja) | 2010-02-12 | 2013-08-08 | Mitsubishi Chemicals Corp | 非水系電解液及び非水系電解液二次電池 |
JP2012109089A (ja) * | 2010-11-16 | 2012-06-07 | Toyota Motor Corp | 非水電解質およびその利用 |
WO2017111143A1 (ja) | 2015-12-22 | 2017-06-29 | セントラル硝子株式会社 | 非水電解液電池用電解液、及びこれを用いた非水電解液電池 |
JP2021009171A (ja) | 2017-09-28 | 2021-01-28 | パナソニックIpマネジメント株式会社 | 波長変換部材、光源、蛍光体粒子及び波長変換部材の製造方法 |
Non-Patent Citations (1)
Title |
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JOURNAL OF ORGANIC CHEMISTRY, vol. 2592, no. 29, 1964 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115692845A (zh) * | 2022-10-31 | 2023-02-03 | 重庆大学 | 一种无卤素可充镁电池电解液及其制备方法和应用 |
CN115692845B (zh) * | 2022-10-31 | 2024-02-02 | 重庆大学 | 一种不含氟以外卤素可充镁电池电解液及其制备方法和应用 |
Also Published As
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US20240120541A1 (en) | 2024-04-11 |
EP4283738A1 (en) | 2023-11-29 |
KR20230135070A (ko) | 2023-09-22 |
JPWO2022158397A1 (ja) | 2022-07-28 |
CN116711120A (zh) | 2023-09-05 |
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