KR20200090223A - 비수전해액 전지용 전해액 및 그것을 이용한 비수전해액 전지 - Google Patents
비수전해액 전지용 전해액 및 그것을 이용한 비수전해액 전지 Download PDFInfo
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- KR20200090223A KR20200090223A KR1020207018055A KR20207018055A KR20200090223A KR 20200090223 A KR20200090223 A KR 20200090223A KR 1020207018055 A KR1020207018055 A KR 1020207018055A KR 20207018055 A KR20207018055 A KR 20207018055A KR 20200090223 A KR20200090223 A KR 20200090223A
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- South Korea
- Prior art keywords
- group
- carbonate
- carbon atoms
- substituted
- tert
- Prior art date
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 131
- 239000003792 electrolyte Substances 0.000 title claims description 46
- 150000001875 compounds Chemical class 0.000 claims abstract description 93
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 82
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 16
- 239000011356 non-aqueous organic solvent Substances 0.000 claims abstract description 11
- -1 tert-butylphenyl group Chemical group 0.000 claims description 228
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 144
- 229910052744 lithium Inorganic materials 0.000 claims description 76
- 125000004432 carbon atom Chemical group C* 0.000 claims description 66
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 64
- 125000005843 halogen group Chemical group 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 49
- 229910052759 nickel Inorganic materials 0.000 claims description 46
- 239000007774 positive electrode material Substances 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 43
- 125000003118 aryl group Chemical group 0.000 claims description 42
- 125000001153 fluoro group Chemical group F* 0.000 claims description 41
- 229910052731 fluorine Inorganic materials 0.000 claims description 32
- 239000007773 negative electrode material Substances 0.000 claims description 32
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 27
- 239000011777 magnesium Substances 0.000 claims description 26
- 229910052749 magnesium Inorganic materials 0.000 claims description 24
- 239000011734 sodium Substances 0.000 claims description 24
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 23
- 229910052708 sodium Inorganic materials 0.000 claims description 23
- 125000003545 alkoxy group Chemical group 0.000 claims description 22
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 21
- 229910052700 potassium Inorganic materials 0.000 claims description 21
- 239000011591 potassium Substances 0.000 claims description 21
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 claims description 21
- 125000004104 aryloxy group Chemical group 0.000 claims description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 20
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 18
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 17
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 16
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 15
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 14
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 14
- 125000003342 alkenyl group Chemical group 0.000 claims description 12
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 125000004434 sulfur atom Chemical group 0.000 claims description 12
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 11
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 10
- 125000001624 naphthyl group Chemical group 0.000 claims description 10
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 10
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 10
- 125000003944 tolyl group Chemical group 0.000 claims description 10
- 125000000304 alkynyl group Chemical group 0.000 claims description 9
- 125000005133 alkynyloxy group Chemical group 0.000 claims description 9
- 150000005678 chain carbonates Chemical class 0.000 claims description 9
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 9
- 125000004793 2,2,2-trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 claims description 8
- 150000001450 anions Chemical class 0.000 claims description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 8
- 125000004437 phosphorous atom Chemical group 0.000 claims description 8
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 8
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 8
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 7
- 125000005336 allyloxy group Chemical group 0.000 claims description 7
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims description 7
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 125000006267 biphenyl group Chemical group 0.000 claims description 6
- 210000000481 breast Anatomy 0.000 claims description 6
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 claims description 6
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 claims description 6
- 125000006606 n-butoxy group Chemical group 0.000 claims description 6
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 claims description 6
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 6
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims description 5
- CHHOPPGAFVFXFS-UHFFFAOYSA-M [Li+].[O-]S(F)(=O)=O Chemical compound [Li+].[O-]S(F)(=O)=O CHHOPPGAFVFXFS-UHFFFAOYSA-M 0.000 claims description 5
- 125000002933 cyclohexyloxy group Chemical group C1(CCCCC1)O* 0.000 claims description 5
- 125000001331 3-methylbutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])O* 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 4
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical group CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 4
- 125000001072 heteroaryl group Chemical group 0.000 claims description 4
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 4
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 claims description 4
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 claims description 4
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 4
- 125000004076 pyridyl group Chemical group 0.000 claims description 4
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 4
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 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
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 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
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 3
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 3
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 claims description 3
- GBPVMEKUJUKTBA-UHFFFAOYSA-N methyl 2,2,2-trifluoroethyl carbonate Chemical compound COC(=O)OCC(F)(F)F GBPVMEKUJUKTBA-UHFFFAOYSA-N 0.000 claims description 3
- MHAIQPNJLRLFLO-UHFFFAOYSA-N methyl 2-fluoropropanoate Chemical compound COC(=O)C(C)F MHAIQPNJLRLFLO-UHFFFAOYSA-N 0.000 claims description 3
- 229940017219 methyl propionate Drugs 0.000 claims description 3
- DPDMZACOTSJMOY-UHFFFAOYSA-N 1,1,1-trifluoropentan-3-yl hydrogen carbonate Chemical compound FC(F)(F)CC(CC)OC(O)=O DPDMZACOTSJMOY-UHFFFAOYSA-N 0.000 claims description 2
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 claims description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 2
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 claims description 2
- DSMUTQTWFHVVGQ-UHFFFAOYSA-N 4,5-difluoro-1,3-dioxolan-2-one Chemical compound FC1OC(=O)OC1F DSMUTQTWFHVVGQ-UHFFFAOYSA-N 0.000 claims description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 2
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 claims description 2
- 125000003302 alkenyloxy group Chemical group 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- FWBMVXOCTXTBAD-UHFFFAOYSA-N butyl methyl carbonate Chemical compound CCCCOC(=O)OC FWBMVXOCTXTBAD-UHFFFAOYSA-N 0.000 claims description 2
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 2
- ODMITNOQNBVSQG-UHFFFAOYSA-N ethyl 2-fluoropropanoate Chemical compound CCOC(=O)C(C)F ODMITNOQNBVSQG-UHFFFAOYSA-N 0.000 claims description 2
- 125000005553 heteroaryloxy group Chemical group 0.000 claims description 2
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 claims description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 2
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 claims description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000005186 naphthyloxy group Chemical group C1(=CC=CC2=CC=CC=C12)O* 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 claims description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 2
- 125000006337 tetrafluoro ethyl group Chemical group 0.000 claims description 2
- 125000003652 trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 claims description 2
- 125000004205 trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 claims description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 2
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 claims 2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 2
- CYEDOLFRAIXARV-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound CCCOC(=O)OCC CYEDOLFRAIXARV-UHFFFAOYSA-N 0.000 claims 1
- 238000010828 elution Methods 0.000 abstract description 38
- 230000014759 maintenance of location Effects 0.000 abstract description 37
- 230000000694 effects Effects 0.000 abstract description 30
- 238000003860 storage Methods 0.000 abstract description 29
- 230000000052 comparative effect Effects 0.000 description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 52
- 150000003377 silicon compounds Chemical class 0.000 description 47
- 229910052782 aluminium Inorganic materials 0.000 description 39
- 229940021013 electrolyte solution Drugs 0.000 description 36
- 239000002131 composite material Substances 0.000 description 31
- 150000003949 imides Chemical class 0.000 description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 27
- 229910012424 LiSO 3 Inorganic materials 0.000 description 22
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- 229910013870 LiPF 6 Inorganic materials 0.000 description 20
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- 239000011572 manganese Substances 0.000 description 20
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- 235000002639 sodium chloride Nutrition 0.000 description 16
- 239000010936 titanium Substances 0.000 description 16
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 15
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- 229920000642 polymer Polymers 0.000 description 15
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- 241001550224 Apha Species 0.000 description 13
- 229910001416 lithium ion Inorganic materials 0.000 description 13
- 229910052748 manganese Inorganic materials 0.000 description 13
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- 238000011084 recovery Methods 0.000 description 12
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- 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 10
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- 239000011230 binding agent Substances 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
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- 150000003624 transition metals Chemical group 0.000 description 9
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 8
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- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
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- 239000002244 precipitate Substances 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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- 229940047670 sodium acrylate Drugs 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- XCXLEIPEAAEYTF-UHFFFAOYSA-M sodium fluorosulfate Chemical compound [Na+].[O-]S(F)(=O)=O XCXLEIPEAAEYTF-UHFFFAOYSA-M 0.000 description 1
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- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- MBDNRNMVTZADMQ-UHFFFAOYSA-N sulfolene Chemical compound O=S1(=O)CC=CC1 MBDNRNMVTZADMQ-UHFFFAOYSA-N 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 125000002130 sulfonic acid ester group Chemical group 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-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
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-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
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
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Abstract
Description
Claims (35)
- 적어도 니켈을 포함하는 1종 이상의 산화물을 정극 활물질로서 포함하고, 당해 정극 활물질에 포함되는 금속 중의 니켈 함유량이 30~100질량%인 정극을 포함하는 비수전해액 전지용의 전해액으로서,
(I) 비수유기용매,
(II) 이온성 염인, 용질,
(III) 일반식 (1)로 나타나는 화합물로 이루어지는 군으로부터 선택되는 적어도 1종, 및,
(IV) 플루오로술폰산 리튬, 일반식 (2)로 나타나는 O=S-F 결합을 가지는 화합물, 일반식 (3)으로 나타나는 O=P-F 결합을 가지는 화합물, 일반식 (4)로 나타나는 P(=O)F2 결합을 가지는 화합물, 및 일반식 (5)로 나타나는 화합물로 이루어지는 군으로부터 선택되는 적어도 1종을 포함하고,
상기 (I)~(IV)의 총량 100질량%에 대한, 상기 (IV)의 농도가 0.01~5.00질량%인, 비수전해액 전지용 전해액.
[화학식 19]
[일반식 (1) 중, R1은 각각 서로 독립하여 탄소-탄소 불포화 결합을 가지는 기를 나타낸다. R2는 각각 서로 독립하여, 불소 원자, 탄소수가 1~10의 알킬기, 탄소수가 1~10의 알콕시기, 탄소수가 3~10의 알릴기, 탄소수가 2~10의 알키닐기, 탄소수가 6~15의 아릴기, 탄소수가 3~10의 알릴옥시기, 탄소수가 2~10의 알키닐옥시기, 및 탄소수가 6~15의 아릴옥시기로 이루어지는 군으로부터 선택되는 기를 나타내고, 이들 기는 불소 원자 및/또는 산소 원자를 가지고 있어도 된다. a는 2~4이다.]
[화학식 20]
[일반식 (2) 중, R3은, 알킬기, 알케닐기, 아릴기, 알콕시기, 또는 아릴옥시기이다.]
[화학식 21]
[일반식 (3) 중, R4는, 알콕시기, 또는 아릴옥시기이며, R5는, OLi이다(또한, O는 산소, Li는 리튬을 나타낸다).]
[화학식 22]
[일반식 (4) 중, R6은, 아릴기, 알콕시기, 또는 아릴옥시기이다.]
[화학식 23]
[일반식 (5) 중, X는 산소 원자, 또는 할로겐 원자로 치환되어 있어도 되는 메틸렌기이며, Y는 인 원자, 또는 유황 원자이다. n은 Y가 인 원자인 경우에는 0, 유황 원자인 경우에는 1이다. R7 및 R8은 각각 독립으로, 할로겐 원자, 할로겐 원자로 치환되어 있어도 되는, 알킬기, 알케닐기, 또는 아릴기이다. 또한, Y가 유황 원자인 경우, R8은 존재하지 않는다.] - 제 1 항에 있어서,
상기 일반식 (1)의 R1이 에테닐기인, 비수전해액 전지용 전해액. - 제 1 항 또는 제 2 항에 있어서,
상기 일반식 (1)의 R2의, 알킬기가, 메틸기, 에틸기, 프로필기, 이소프로필기, 부틸기, 이소부틸기, tert-부틸기, 펜틸기, 이소펜틸기, sec-펜틸기, 3-펜틸기, 및 tert-펜틸기로부터 선택되는 기이며,
알콕시기가, 메톡시기, 에톡시기, 부톡시기, tert-부톡시기, 프로폭시기, 이소프로폭시기, 2,2,2-트리플루오로에톡시기, 2,2,3,3-테트라플루오로프로폭시기, 1,1,1-트리플루오로이소프로폭시기, 및 1,1,1,3,3,3-헥사플루오로이소프로폭시기로부터 선택되는 기이고,
알릴기가, 2-프로페닐기이며,
알키닐기가, 에티닐기이고,
아릴기가, 페닐기, 메틸페닐기, tert-부틸페닐기, 및 tert-아밀페닐기로부터 선택되는 기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)이며,
알릴옥시기가, 2-프로페닐옥시기이고,
알키닐옥시기가, 프로파르길옥시기이며,
아릴옥시기가, 페녹시기, 메틸페녹시기, tert-부틸페녹시기, 및 tert-아밀페녹시기로부터 선택되는 기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 일반식 (1)의 a가 3 또는 4인, 비수전해액 전지용 전해액. - 제 5 항에 있어서,
상기 (III)가, 상기 (1-1), (1-2), (1-3), (1-4), (1-6), (1-7), (1-8), (1-10), (1-12), (1-15), (1-22), (1-23), (1-24), (1-25), (1-26), (1-27), 및 (1-28)로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 5 항에 있어서,
상기 (III)이, 상기 (1-1), (1-2), (1-4), (1-10), (1-12), (1-15), (1-22), (1-24), (1-25), 및 (1-28)로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 일반식 (2)의 R3의, 알킬기가, 메틸기, 트리플루오로메틸기, 에틸기, 펜타플루오로에틸기, 프로필기, 부틸기, 펜틸기, 또는 헥실기이며,
알케닐기가, 에테닐기이고,
아릴기가, 페닐기, 메틸페닐기, 디메틸페닐기, tert-부틸페닐기, tert-아밀페닐기, 비페닐기, 또는 나프틸기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 일반식 (3)의 R4의, 알콕시기가, 메톡시기, 에톡시기, n-프로폭시기, 이소프로폭시기, n-부톡시기, tert-부톡시기, 2,2-디메틸프로폭시기, 3-메틸부톡시기, 1-메틸부톡시기, 1-에틸프로폭시기, 1,1-디메틸프로폭시기, 2,2,2-트리플루오로에톡시기, 2,2,3,3-테트라플루오로프로폭시기, 1,1,1-트리플루오로이소프로폭시기, 1,1,1,3,3,3-헥사플루오로이소프로폭시기, 또는 시클로헥실옥시기이며,
아릴옥시기가, 페녹시기, 메틸페녹시기, 디메틸페녹시기, 플루오로페녹시기, tert-부틸페녹시기, tert-아밀페녹시기, 비페녹시기, 또는 나프톡시기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 일반식 (4)의 R6의, 아릴기가, 페닐기, 메틸페닐기, 디메틸페닐기, tert-부틸페닐기, tert-아밀페닐기, 비페닐기, 또는 나프틸기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)이며,
알콕시기가, 메톡시기, 에톡시기, n-프로폭시기, 이소프로폭시기, n-부톡시기, tert-부톡시기, 2,2-디메틸프로폭시기, 3-메틸부톡시기, 1-메틸부톡시기, 1-에틸프로폭시기, 1,1-디메틸프로폭시기, 2,2,2-트리플루오로에톡시기, 2,2,3,3-테트라플루오로프로폭시기, 1,1,1-트리플루오로이소프로폭시기, 1,1,1,3,3,3-헥사플루오로이소프로폭시기, 또는 시클로헥실옥시기이고,
아릴옥시기가, 페녹시기, 메틸페녹시기, 디메틸페녹시기, 플루오로페녹시기, tert-부틸페녹시기, tert-아밀페녹시기, 비페녹시기, 또는 나프톡시기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 일반식 (5)의 R7 및 R8의, 할로겐 원자가 불소 원자이며,
할로겐 원자로 치환되어 있어도 되는 알킬기가, 메틸기, 트리플루오로메틸기, 에틸기, 펜타플루오로에틸기, 프로필기, 부틸기, 펜틸기, 또는 헥실기이고,
할로겐 원자로 치환되어 있어도 되는 알케닐기가, 에테닐기이며,
할로겐 원자로 치환되어 있어도 되는 아릴기가, 페닐기, 메틸페닐기, 디메틸페닐기, tert-부틸페닐기, tert-아밀페닐기, 비페닐기, 또는 나프틸기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 비수유기용매가, 에틸메틸 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 메틸프로필 카보네이트, 에틸프로필 카보네이트, 메틸부틸 카보네이트, 2,2,2-트리플루오로에틸메틸 카보네이트, 2,2,2-트리플루오로에틸에틸 카보네이트, 2,2,2-트리플루오로에틸프로필 카보네이트, 비스(2,2,2-트리플루오로에틸) 카보네이트, 1,1,1,3,3,3-헥사플루오로-1-프로필메틸 카보네이트, 1,1,1,3,3,3-헥사플루오로-1-프로필에틸 카보네이트, 1,1,1,3,3,3-헥사플루오로-1-프로필프로필 카보네이트, 비스(1,1,1,3,3,3-헥사플루오로-1-프로필) 카보네이트, 에틸렌 카보네이트, 프로필렌 카보네이트, 부틸렌 카보네이트, 플루오로에틸렌 카보네이트, 디플루오로에틸렌 카보네이트, 아세트산 메틸, 아세트산 에틸, 프로피온산 메틸, 프로피온산 에틸, 2-플루오로프로피온산 메틸, 2-플루오로프로피온산 에틸, 디에틸에테르, 디부틸에테르, 디이소프로필에테르, 1,2-디메톡시에탄, 테트라히드로푸란, 2-메틸테트라히드로푸란, 푸란, 테트라히드로피란, 1,3-디옥산, 1,4-디옥산, N,N-디메틸포름아미드, 아세토니트릴, 프로피오니트릴, 디메틸술폭시드, 술포란, γ-부티로락톤, 및 γ-발레로락톤으로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 비수유기용매가, 환상 카보네이트 및 쇄상 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종을 함유하는, 비수전해액 전지용 전해액. - 제 13 항에 있어서,
상기 환상 카보네이트가, 에틸렌 카보네이트, 프로필렌 카보네이트, 및 플루오로에틸렌 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종이며, 상기 쇄상 카보네이트가, 에틸메틸 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 및 메틸프로필 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 14 항 중 어느 한 항에 있어서,
상기 용질이, 알칼리 금속 이온, 및 알칼리 토류 금속 이온으로 이루어지는 군으로부터 선택되는 적어도 1종의 카티온과, 헥사플루오로인산 아니온, 테트라플루오로붕산 아니온, 트리플루오로메탄술폰산 아니온, 및 비스(트리플루오로메탄술포닐)이미드 아니온으로 이루어지는 군으로부터 선택되는 적어도 1종의 아니온과의 쌍으로 이루어지는 이온성 염인 비수전해액 전지용 전해액. - 제 15 항에 있어서,
상기 용질의 카티온이 리튬, 나트륨, 칼륨, 또는 마그네슘이며, 아니온이 헥사플루오로인산 아니온, 테트라플루오로붕산 아니온, 트리플루오로메탄술폰산 아니온, 및 비스(트리플루오로메탄술포닐)이미드 아니온으로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 1 항 내지 제 16 항 중 어느 한 항에 있어서,
상기 (I)~(IV)의 총량 100질량%에 대한, 상기 (III)의 농도가 0.01~2.00질량%인, 비수전해액 전지용 전해액. - 적어도 니켈을 포함하는 1종 이상의 산화물을 정극 활물질로서 포함하고, 당해 정극 활물질에 포함되는 금속 중의 니켈 함유량이 30~100질량%인 정극과, 부극과, 제 1 항 내지 제 17 항 중 어느 한 항에 기재된 비수전해액 전지용 전해액을 포함하는, 비수전해액 전지.
- (I) 비수유기용매,
(II) 이온성 염인, 용질,
(III) 일반식 (1)로 나타나는 화합물로 이루어지는 군으로부터 선택되는 적어도 1종의 첨가제, 및,
(IV) 일반식 (6)으로 나타나는 화합물로 이루어지는 군으로부터 선택되는 적어도 1종의 첨가제를 포함하는 비수전해액 전지용 전해액.
[화학식 25]
[일반식 (1) 중, R1은 각각 서로 독립하여 탄소-탄소 불포화 결합을 가지는 기를 나타낸다. R2는 각각 서로 독립하여, 불소 원자, 탄소수가 1~10의 알킬기, 탄소수가 1~10의 알콕시기, 탄소수가 3~10의 알릴기, 탄소수가 2~10의 알키닐기, 탄소수가 6~15의 아릴기, 탄소수가 3~10의 알릴옥시기, 탄소수가 2~10의 알키닐옥시기, 및 탄소수가 6~15의 아릴옥시기로 이루어지는 군으로부터 선택되는 기를 나타내고, 이들 기는 불소 원자 및/또는 산소 원자를 가지고 있어도 된다. 또한 「불소 원자를 가지고 있다」란, 구체적으로는 상기의 기에 있어서의 수소 원자가 불소 원자로 치환된 것을 가리킨다. 또한 「산소 원자를 가지고 있다」란, 구체적으로는 상기의 기의 탄소 원자의 사이에 「-O-」(에테르 결합)가 개재되는 기를 들 수 있다. a는 2~4이다.]
[화학식 26]
[일반식 (6) 중, X는 산소 원자, 또는 할로겐 원자로 치환되어 있어도 되는 메틸렌기이며, Y는 인 원자, 또는 유황 원자이다. n은 Y가 인 원자인 경우에는 0, 유황 원자인 경우에는 1이다. R3, R4는 각각 독립하여, 할로겐 원자, 할로겐 원자로 치환되어 있어도 되는 탄소수 1~20의 알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소수 5~20의 시클로알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알케닐기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알키닐기, 할로겐 원자로 치환되어 있어도 되는 탄소수 6~40의 아릴기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~40의 헤테로아릴기, 할로겐 원자로 치환되어 있어도 되는 탄소수 1~20의 알콕시기, 할로겐 원자로 치환되어 있어도 되는 탄소수 5~20의 시클로알콕시기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알케닐옥시기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알키닐옥시기, 할로겐 원자로 치환되어 있어도 되는 탄소수 6~40의 아릴옥시기, 또는, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~40의 헤테로아릴옥시기이며, Y가 유황 원자인 경우, R4는 존재하지 않는다. R5, R6은, 각각 독립하여, 수소 원자, 할로겐 원자, 할로겐 원자로 치환되어 있어도 되는 탄소수 1~20의 알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알케닐기, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~20의 알키닐기, 할로겐 원자로 치환되어 있어도 되는 탄소수 1~20의 알콕시기, 할로겐 원자로 치환되어 있어도 되는 탄소수 5~20의 시클로알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소수 6~40의 아릴기, 또는, 할로겐 원자로 치환되어 있어도 되는 탄소수 2~40의 헤테로아릴기이다.] - 제 19 항에 있어서,
상기 R1이 에테닐기인, 비수전해액 전지용 전해액. - 제 19 항 또는 제 20 항에 있어서,
상기 일반식 (1)의 R2의, 알킬기가, 메틸기, 에틸기, 프로필기, 이소프로필기, 부틸기, 이소부틸기, tert-부틸기, 펜틸기, 이소펜틸기, sec-펜틸기, 3-펜틸기, 및 tert-펜틸기로부터 선택되는 기이며,
알콕시기가, 메톡시기, 에톡시기, 부톡시기, tert-부톡시기, 프로폭시기, 이소프로폭시기, 2,2,2-트리플루오로에톡시기, 2,2,3,3-테트라플루오로프로폭시기, 1,1,1-트리플루오로이소프로폭시기, 및 1,1,1,3,3,3-헥사플루오로이소프로폭시기로부터 선택되는 기이고,
알릴기가, 2-프로페닐기이며,
알키닐기가, 에티닐기이고,
아릴기가, 페닐기, 메틸페닐기, tert-부틸페닐기, 및 tert-아밀페닐기로부터 선택되는 기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)이며,
알릴옥시기가, 2-프로페닐옥시기이고,
알키닐옥시기가, 프로파르길옥시기이며,
아릴옥시기가, 페녹시기, 메틸페녹시기, tert-부틸페녹시기, 및 tert-아밀페녹시기로부터 선택되는 기(각각의 방향환의 수소 원자가 불소 원자로 치환되어 있어도 됨)인, 비수전해액 전지용 전해액. - 제 19 항 내지 제 21 항 중 어느 한 항에 있어서,
상기 일반식 (1)의 a가 3 또는 4인, 비수전해액 전지용 전해액. - 제 23 항에 있어서,
상기 (III)이, 상기 (1-1), (1-2), (1-3), (1-4), (1-6), (1-7), (1-9), (1-10), (1-12), (1-15), (1-22), (1-23), (1-24), (1-25), (1-26), (1-27), 및 (1-28)로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 23 항에 있어서,
상기 (III)이, 상기 (1-1), (1-2), (1-4), (1-6) (1-9), (1-12), (1-15), (1-22) 및 (1-24)로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 19 항 내지 제 25 항 중 어느 한 항에 있어서,
상기 일반식 (6)의 R3 및 R4가, 각각 독립하여, 불소 원자, 메틸기, 에틸기, n-프로필기, 이소프로필기, n-부틸기, tert-부틸기, n-펜틸기, n-헥실기, 트리플루오로메틸기, 트리플루오로에틸기, 에테닐기, 2-프로페닐기, 2-프로피닐기, 페닐기, 나프틸기, 펜타플루오로페닐기, 메톡시기, 에톡시기, n-프로폭시기, 이소프로폭시기, n-부톡시기, tert-부톡시기, n-펜틸옥시기, n-헥실옥시기, 트리플루오로메톡시기, 트리플루오로에톡시기, 에테닐옥시기, 2-프로페닐옥시기, 2-프로피닐옥시기, 페녹시기, 나프틸옥시기, 펜타플루오로페녹시기, 피롤릴기, 및 피리디닐기로부터 선택되는, 비수전해액 전지용 전해액. - 제 19 항 내지 제 25 항 중 어느 한 항에 있어서,
상기 일반식 (6)의 R3 및 R4가, 각각 독립하여, 불소 원자, 메틸기, 트리플루오로메틸기, 에테닐기, 2-프로페닐기, 페닐기, 페녹시기로부터 선택되는, 비수전해액 전지용 전해액. - 제 19 항 내지 제 27 항 중 어느 한 항에 있어서,
상기 일반식 (6)의 R5 및 R6이, 각각 독립하여, 수소 원자, 불소 원자, 메틸기, 에틸기, n-프로필기, 이소프로필기, n-부틸기, tert-부틸기, 트리플루오로메틸기, 테트라플루오로에틸기, 페닐기, 나프틸기, 펜타플루오로페닐기, 피롤릴기, 및 피리디닐기로부터 선택되는, 비수전해액 전지용 전해액. - 제 19 항 내지 제 27 항 중 어느 한 항에 있어서,
상기 일반식 (6)의 R5 및 R6이, 각각 독립하여, 수소 원자, 불소 원자로부터 선택되는, 비수전해액 전지용 전해액. - 제 19 항 내지 제 29 항 중 어느 한 항에 있어서,
상기 비수유기용매가, 환상 카보네이트 및 쇄상 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종을 함유하는, 비수전해액 전지용 전해액. - 제 30 항에 있어서,
상기 환상 카보네이트가, 에틸렌 카보네이트, 프로필렌 카보네이트, 및 플루오로에틸렌 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종이며, 상기 쇄상 카보네이트가, 에틸메틸 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 및 메틸프로필 카보네이트로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 19 항 내지 제 31 항 중 어느 한 항에 있어서,
상기 용질이, 알칼리 금속 이온, 및 알칼리 토류 금속 이온으로 이루어지는 군으로부터 선택되는 적어도 1종의 카티온과, 헥사플루오로인산 아니온, 테트라플루오로붕산 아니온, 트리플루오로메탄술폰산 아니온, 및 비스(트리플루오로메탄술포닐)이미드 아니온으로 이루어지는 군으로부터 선택되는 적어도 1종의 아니온과의 쌍으로 이루어지는 이온성 염인 비수전해액 전지용 전해액. - 제 32 항에 있어서,
상기 용질의 카티온이 리튬, 나트륨, 칼륨, 또는 마그네슘이며, 아니온이 헥사플루오로인산 아니온, 테트라플루오로붕산 아니온, 트리플루오로메탄술폰산 아니온, 및 비스(트리플루오로메탄술포닐)이미드 아니온으로 이루어지는 군으로부터 선택되는 적어도 1종인, 비수전해액 전지용 전해액. - 제 19 항 내지 제 33 항 중 어느 한 항에 있어서,
상기 (I)~(IV)의 총량 100질량%에 대한, 상기 (III)의 농도가 0.01~2.00질량%인, 비수전해액 전지용 전해액. - 적어도, 제 19 항 내지 제 34 항 중 어느 한 항에 기재된 비수전해액 전지용 전해액과, 정극과, 리튬 금속을 포함하는 부극 재료, 리튬, 나트륨, 칼륨, 또는 마그네슘의 흡장 방출이 가능한 부극 재료로 이루어지는 군으로부터 선택되는 적어도 1종을 가지는 부극을 포함하는, 비수전해액 전지.
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KR20220132283A (ko) | 2021-03-23 | 2022-09-30 | 주식회사 엘지화학 | 비수 전해질용 첨가제, 이를 포함하는 비수 전해질 및 리튬 이차전지 |
KR20220133683A (ko) | 2021-03-25 | 2022-10-05 | 주식회사 엘지화학 | 비수 전해질용 첨가제, 이를 포함하는 비수 전해질 및 리튬 이차전지 |
KR20220136783A (ko) | 2021-04-01 | 2022-10-11 | 주식회사 엘지화학 | 비수전해질용 첨가제, 이를 포함하는 비수전해질 및 리튬 이차전지 |
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EP3726636B1 (en) | 2024-06-26 |
EP3726636A1 (en) | 2020-10-21 |
CN111527636B (zh) | 2023-08-15 |
EP3726636A4 (en) | 2021-04-21 |
CN111527636A (zh) | 2020-08-11 |
KR102498193B1 (ko) | 2023-02-09 |
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