KR100867535B1 - 비수 전해액 첨가제 및 이를 이용한 이차 전지 - Google Patents
비수 전해액 첨가제 및 이를 이용한 이차 전지 Download PDFInfo
- Publication number
- KR100867535B1 KR100867535B1 KR1020070095790A KR20070095790A KR100867535B1 KR 100867535 B1 KR100867535 B1 KR 100867535B1 KR 1020070095790 A KR1020070095790 A KR 1020070095790A KR 20070095790 A KR20070095790 A KR 20070095790A KR 100867535 B1 KR100867535 B1 KR 100867535B1
- Authority
- KR
- South Korea
- Prior art keywords
- sulfonate
- dioxolan
- onylmethyl
- methyl
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011255 nonaqueous electrolyte Substances 0.000 title description 5
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 55
- 150000005676 cyclic carbonates Chemical group 0.000 claims abstract description 37
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 35
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims abstract description 31
- -1 1,3-dioxolan-2-onylmethyl Chemical group 0.000 claims description 77
- 239000003792 electrolyte Substances 0.000 claims description 35
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 29
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 12
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000007784 solid electrolyte Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- WFBUJCJPFVJXCB-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl trifluoromethanesulfonate Chemical compound FC(F)(F)S(=O)(=O)OCC1COC(=O)O1 WFBUJCJPFVJXCB-UHFFFAOYSA-N 0.000 claims description 6
- OHZOVVHOSWAEFO-UHFFFAOYSA-N 2-(2-oxo-1,3-dioxolan-4-yl)ethyl trifluoromethanesulfonate Chemical compound FC(F)(F)S(=O)(=O)OCCC1COC(=O)O1 OHZOVVHOSWAEFO-UHFFFAOYSA-N 0.000 claims description 6
- 125000006575 electron-withdrawing group Chemical group 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- XPNMMFZKVTUAHI-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl 2,2,2-trifluoroethanesulfonate Chemical compound FC(F)(F)CS(=O)(=O)OCC1COC(=O)O1 XPNMMFZKVTUAHI-UHFFFAOYSA-N 0.000 claims description 3
- ZFCNBCOGCAEDNW-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl benzenesulfonate Chemical compound O1C(=O)OCC1COS(=O)(=O)C1=CC=CC=C1 ZFCNBCOGCAEDNW-UHFFFAOYSA-N 0.000 claims description 3
- SHMHXUUXPNMTFS-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl butane-1-sulfonate Chemical compound CCCCS(=O)(=O)OCC1COC(=O)O1 SHMHXUUXPNMTFS-UHFFFAOYSA-N 0.000 claims description 3
- VGLPHGTWFSDJQS-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl cyclopentanesulfonate Chemical compound O1C(=O)OCC1COS(=O)(=O)C1CCCC1 VGLPHGTWFSDJQS-UHFFFAOYSA-N 0.000 claims description 3
- LSYORTQXSNTILK-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl ethanesulfonate Chemical compound CCS(=O)(=O)OCC1COC(=O)O1 LSYORTQXSNTILK-UHFFFAOYSA-N 0.000 claims description 3
- ILIQEZFXTVKRPJ-UHFFFAOYSA-N 2-(2-oxo-1,3-dioxolan-4-yl)ethyl 2,2,2-trifluoroethanesulfonate Chemical compound FC(F)(F)CS(=O)(=O)OCCC1COC(=O)O1 ILIQEZFXTVKRPJ-UHFFFAOYSA-N 0.000 claims description 3
- MIDJXFYAWCTGNC-UHFFFAOYSA-N 2-(2-oxo-1,3-dioxolan-4-yl)ethyl benzenesulfonate Chemical compound O1C(=O)OCC1CCOS(=O)(=O)C1=CC=CC=C1 MIDJXFYAWCTGNC-UHFFFAOYSA-N 0.000 claims description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- RXTGRALANHTETD-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl cycloheptanesulfonate Chemical compound O1C(=O)OCC1COS(=O)(=O)C1CCCCCC1 RXTGRALANHTETD-UHFFFAOYSA-N 0.000 claims description 2
- 150000003461 sulfonyl halides Chemical class 0.000 claims description 2
- ZHJMPDVLUPXYMH-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl pentane-1-sulfonate Chemical compound CCCCCS(=O)(=O)OCC1COC(=O)O1 ZHJMPDVLUPXYMH-UHFFFAOYSA-N 0.000 claims 2
- NLVZWMRZGWADCX-UHFFFAOYSA-N (2-oxo-1,3-dioxan-4-yl) 3-methylcyclopentane-1-sulfonate Chemical compound CC1CCC(C1)S(=O)(=O)OC1CCOC(=O)O1 NLVZWMRZGWADCX-UHFFFAOYSA-N 0.000 claims 1
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 6
- 239000000470 constituent Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 15
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 14
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910013870 LiPF 6 Inorganic materials 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical class CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical class CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 125000005587 carbonate group Chemical group 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- HJHVQCXHVMGZNC-JCJNLNMISA-M sodium;(2z)-2-[(3r,4s,5s,8s,9s,10s,11r,13r,14s,16s)-16-acetyloxy-3,11-dihydroxy-4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1h-cyclopenta[a]phenanthren-17-ylidene]-6-methylhept-5-enoate Chemical compound [Na+].O[C@@H]([C@@H]12)C[C@H]3\C(=C(/CCC=C(C)C)C([O-])=O)[C@@H](OC(C)=O)C[C@]3(C)[C@@]2(C)CC[C@@H]2[C@]1(C)CC[C@@H](O)[C@H]2C HJHVQCXHVMGZNC-JCJNLNMISA-M 0.000 description 4
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 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 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 235000019439 ethyl acetate Nutrition 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VWGDQUMYWXXLDT-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl phenylmethanesulfonate Chemical compound O1C(=O)OCC1COS(=O)(=O)CC1=CC=CC=C1 VWGDQUMYWXXLDT-UHFFFAOYSA-N 0.000 description 2
- KINGTTXINCRPCF-UHFFFAOYSA-N (2-oxo-1,3-dioxolan-4-yl)methyl propane-1-sulfonate Chemical compound CCCS(=O)(=O)OCC1COC(=O)O1 KINGTTXINCRPCF-UHFFFAOYSA-N 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical class CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 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 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical class CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000002000 Electrolyte additive Substances 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical class C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical class CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 229910052736 halogen Chemical class 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical class COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- PGMYKACGEOXYJE-UHFFFAOYSA-N pentyl acetate Chemical class CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- KRVHLRDXECTGFV-UHFFFAOYSA-N (2-oxo-1,3-dioxan-4-yl) 4-methylcyclohexane-1-sulfonate Chemical compound CC1CCC(CC1)S(=O)(=O)OC1CCOC(=O)O1 KRVHLRDXECTGFV-UHFFFAOYSA-N 0.000 description 1
- HFZLSTDPRQSZCQ-UHFFFAOYSA-N 1-pyrrolidin-3-ylpyrrolidine Chemical class C1CCCN1C1CNCC1 HFZLSTDPRQSZCQ-UHFFFAOYSA-N 0.000 description 1
- PZIVFVWTIXFGNI-UHFFFAOYSA-N 2-(2-oxo-1,3-dioxolan-4-yl)ethyl methanesulfonate Chemical compound CS(=O)(=O)OCCC1COC(=O)O1 PZIVFVWTIXFGNI-UHFFFAOYSA-N 0.000 description 1
- UHOPWFKONJYLCF-UHFFFAOYSA-N 2-(2-sulfanylethyl)isoindole-1,3-dione Chemical class C1=CC=C2C(=O)N(CCS)C(=O)C2=C1 UHOPWFKONJYLCF-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
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical class O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 1
- ZPQAKYPOZRXKFA-UHFFFAOYSA-N 6-Undecanone Chemical compound CCCCCC(=O)CCCCC ZPQAKYPOZRXKFA-UHFFFAOYSA-N 0.000 description 1
- 229910017008 AsF 6 Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical class COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013733 LiCo Inorganic materials 0.000 description 1
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015644 LiMn 2 - z Ni Inorganic materials 0.000 description 1
- 229910015676 LiMn 2-z Co Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical class CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- VUKCPUAOPNOVKC-UHFFFAOYSA-N OCC1OC(OC1)=O.OCC1OC(OC1)=O Chemical compound OCC1OC(OC1)=O.OCC1OC(OC1)=O VUKCPUAOPNOVKC-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical class CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- IDSMHEZTLOUMLM-UHFFFAOYSA-N [Li].[O].[Co] Chemical class [Li].[O].[Co] IDSMHEZTLOUMLM-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Chemical class COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001786 chalcogen compounds Chemical class 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 1
- KNMPPWLRZZHRAF-UHFFFAOYSA-N ethyl cyclohexanesulfonate 1-[2-(2-oxo-1,3-dioxolan-4-yl)ethyl]cyclohexane-1-sulfonic acid Chemical compound O1C(OC(C1)CCC1(CCCCC1)S(=O)(=O)O)=O.C1(CCCCC1)S(=O)(=O)OCC KNMPPWLRZZHRAF-UHFFFAOYSA-N 0.000 description 1
- UKCYJOBRBSUYGG-UHFFFAOYSA-N ethyl formate;propyl formate Chemical class CCOC=O.CCCOC=O UKCYJOBRBSUYGG-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
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- CFJRPNFOLVDFMJ-UHFFFAOYSA-N titanium disulfide Chemical compound S=[Ti]=S CFJRPNFOLVDFMJ-UHFFFAOYSA-N 0.000 description 1
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- 150000003624 transition metals Chemical class 0.000 description 1
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- 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
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- H—ELECTRICITY
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/052—Li-accumulators
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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
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- H01M10/05—Accumulators with non-aqueous electrolyte
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Description
| 전해액 첨가제 | 사용량 (중량부) | 전해액 조성 (부피비) | 방전용량 유지율(%) | |
| 실시예1-3 | 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트 | 2.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 89.3 |
| 실시예 2 | 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트 | 0.5 | 1M LiPF6 EC:PC:DEC=1:1:2 | 81.2 |
| 실시예 3 | 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트 | 6.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 88.7 |
| 실시예 4 | 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트 | 10 | 1M LiPF6 EC:PC:DEC=1:1:2 | 86.1 |
| 실시예 5 | 1,3-디옥솔란-2-오닐메틸 벤질 설포네이트 | 2.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 86.2 |
| 실시예 6 | 1,3-디옥솔란-2-오닐메틸 트리플루오로메틸 설포네이트 | 2.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 85.6 |
| 비교예 1 | - | - | 1M LiPF6 EC:PC:DEC=1:1:2 | 73.2 |
| 비교예 2 | 1,3-프로판설톤 | 2.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 82.2 |
| 비교예 3 | 4--플루오로-1,3-디옥솔란-2-온 | 2.0 | 1M LiPF6 EC:PC:DEC=1:1:2 | 83.1 |
Claims (13)
- 전해질염 및 전해액 용매를 포함하는 이차 전지용 전해액에 있어서, 상기 전해액은 설포네이트기와 환형 카보네이트기를 동시에 갖는 화합물을 포함하는 전해액.
- 제1항에 있어서, 상기 화합물은 전기적 환원에 의해 2종 이상의 라디칼들을 형성하고, 상기 라디칼들의 중합 반응을 통해 음극 표면상에 SEI막을 형성할 수 있는 것이 특징인 전해액.
- 제1항에 있어서, 상기 설포네이트기와 환형 카보네이트기는 C1~C6의 알킬렌기로 연결되는 것이 특징인 전해액.
- 제1항에 있어서, 상기 설포네이트기는 하나 이상의 전자끄는 기(EWG), 알릴기 또는 벤질기로 치환된 것이 특징인 전해액.
- 제1항에 있어서, 상기 화합물은 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트(1,3-dioxolan-2-onylmethyl allyl sulfonate), 1,3-디옥솔란-2-오닐메틸 메틸 설포네이트(1,3-dioxolan-2-onylmethyl methyl sulfonate), 1,3-디옥솔란-2-오닐메틸 에틸 설포네이트(1,3-dioxolan-2-onylmethyl ethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 프로필 설포네이트(1,3-dioxolan-2-onylmethyl propyl sulfonate), 1,3-디옥솔란-2-오닐메틸 부틸 설포네이트(1,3-dioxolan-2-onylmethyl butyl sulfonate), 1,3-디옥솔란-2-오닐메틸 펜틸 설포네이트(1,3-dioxolan-2-onylmethyl pentyl sulfonate), 1,3-디옥솔란-2-오닐메틸 헥실 설포네이트(1,3-dioxolan-2-onylmethyl hexyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로펜틸 설포네이 트(1,3-dioxolan-2-onylmethyl cyclopentyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로헥실 설포네이트(1,3-dioxolan-2-onylmethyl cyclohexyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로헵틸 설포네이트(1,3-dioxolan-2-onylmethyl cycloheptyl sulfonate), 1,3-디옥솔란-2-오닐메틸 트리플루오로메틸 설포네이트(1,3-dioxolan-2-onylmethyl trifluoromethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 트리플루오로에틸 설포네이트(1,3-dioxolan-2-onylmethyl trifluoroethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 벤질 설포네이트(1,3-dioxolan-2-onylmethyl benzyl sulfonate), 1,3-디옥솔란-2-오닐메틸 페닐 설포네이트(1,3-dioxolan-2-onylmethyl phenyl sulfonate), 1,3-디옥솔란-2-오닐메틸 파라클로로페닐 설포네이트(1,3-dioxolan-2-onylmethyl para-chlorophenyl sulfonate), 1,3-디옥솔란-2-오닐에틸 알릴 설포네이트(1,3-dioxolan-2-onylethyl allyl sulfonate), 1,3-디옥솔란-2-오닐에틸 메틸 설포네이트(1,3-dioxolan-2-onylethyl methyl sulfonate), 1,3-디옥솔란-2-오닐에틸 시클로펜틸 설포네이트(1,3-dioxolan-2-onylethyl cyclopentyl sulfonate), 1,3-디옥솔란-2-오닐에틸 시클로헥실 설포네이트(1,3-dioxolan-2-onylethyl cyclohexyl sulfonate), 1,3-디옥솔란-2-오닐에틸 트리플루오로메틸 설포네이트(1,3-dioxolan-2-onylethyl trifluoromethyl sulfonate), 1,3-디옥솔란-2-오닐에틸 트리플루오로에틸 설포네이트(1,3-dioxolan-2-onylethyl trifluoroethyl sulfonate), 1,3-디옥솔란-2-오닐에틸 벤질 설포네이트(1,3-dioxolan-2-onylethyl benzyl sulfonate), 1,3-디옥솔란-2-오닐에틸 페닐 설포네이트(1,3-dioxolan-2-onylethyl phenyl sulfonate), 1,3-디옥솔란-2-오닐에틸 파라클로로페닐 설포네이 트(1,3-dioxolan-2-onylethyl para-chlorophenyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 알릴 설포네이트(1,3-dioxan-2-only-4-methyl allyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 메틸 설포네이트(1,3-dioxan-2-only-4-methyl methyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 시클로펜틸 설포네이트(1,3-dioxan-2-only-4-methyl cyclopentyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 시클로헥실 설포네이트(1,3-dioxan-2-only-4-methyl cyclohexyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 트리플루오로메틸 설포네이트(1,3-dioxan-2-only-4-methyl trifluoromethyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 트리플루오로에틸 설포네이트(1,3-dioxan-2-only-4-methyl trifluoroethyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 벤질 설포네이트(1,3-dioxan-2-only-4-methyl benzyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 페닐 설포네이트(1,3-dioxan-2-only-4-methyl phenyl sulfonate), 및 1,3-디옥산-2-오닐-4-메틸 파라클로로페닐 설포네이트(1,3-dioxolan-2-only-4-methyl para-chlorophenyl sulfonate)로 구성된 군으로부터 선택된 것이 특징인 전해액.
- 제 1 항에 있어서, 상기 화합물의 함량이 전해액 100 중량부 당 0.1 내지 30 중량부인 것이 특징인 전해액.
- 설포네이트기와 환형 카보네이트기를 동시에 갖는 화합물의 전기적 환원 및 중합 반응에 의해 형성된 고체 전해질 계면(SEI)막이 표면의 일부 또는 전부에 형성된 전극.
- 양극, 음극 및 전해액을 포함하는 이차 전지에 있어서, 상기 이차 전지는상기 전해액이 상기 제1항 내지 제7항 중 어느 한 항의 이차 전지용 전해액이거나;상기 양극 또는 음극이 상기 제8항 내지 제9항 중 어느 한 항의 전극이거나; 또는상기 전해액 및 전극을 모두 포함하는 것이 특징인 이차 전지.
- 제11항에 있어서, 상기 화합물은 1,3-디옥솔란-2-오닐메틸 알릴 설포네이트(1,3-dioxolan-2-onylmethyl allyl sulfonate), 1,3-디옥솔란-2-오닐메틸 메틸 설포네이트(1,3-dioxolan-2-onylmethyl methyl sulfonate), 1,3-디옥솔란-2-오닐메틸 에틸 설포네이트(1,3-dioxolan-2-onylmethyl ethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 프로필 설포네이트(1,3-dioxolan-2-onylmethyl propyl sulfonate), 1,3-디옥솔란-2-오닐메틸 부틸 설포네이트(1,3-dioxolan-2-onylmethyl butyl sulfonate), 1,3-디옥솔란-2-오닐메틸 펜틸 설포네이트(1,3-dioxolan-2-onylmethyl pentyl sulfonate), 1,3-디옥솔란-2-오닐메틸 헥실 설포네이트(1,3-dioxolan-2-onylmethyl hexyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로펜틸 설포네이트(1,3-dioxolan-2-onylmethyl cyclopentyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로헥실 설포네이트(1,3-dioxolan-2-onylmethyl cyclohexyl sulfonate), 1,3-디옥솔란-2-오닐메틸 시클로헵틸 설포네이트(1,3-dioxolan-2-onylmethyl cycloheptyl sulfonate), 1,3-디옥솔란-2-오닐메틸 트리플루오로메틸 설포네이트(1,3-dioxolan-2-onylmethyl trifluoromethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 트리플루오로에틸 설포네이트(1,3-dioxolan-2-onylmethyl trifluoroethyl sulfonate), 1,3-디옥솔란-2-오닐메틸 벤질 설포네이트(1,3-dioxolan-2-onylmethyl benzyl sulfonate), 1,3-디옥솔란-2-오닐메틸 페닐 설포네이트(1,3-dioxolan-2-onylmethyl phenyl sulfonate), 1,3-디옥솔란-2-오닐메틸 파라클로로페닐 설포네이트(1,3-dioxolan-2-onylmethyl para-chlorophenyl sulfonate), 1,3-디옥솔란-2-오닐에틸 알릴 설포네이트(1,3-dioxolan-2-onylethyl allyl sulfonate), 1,3-디옥솔란-2-오닐에틸 메틸 설포네이트(1,3-dioxolan-2-onylethyl methyl sulfonate), 1,3-디옥솔란-2-오닐에틸 시클로펜틸 설포네이트(1,3-dioxolan-2-onylethyl cyclopentyl sulfonate), 1,3-디옥솔란-2-오닐에틸 시클로헥실 설포네이트(1,3-dioxolan-2-onylethyl cyclohexyl sulfonate), 1,3-디옥솔란-2-오닐에틸 트리플루오로메틸 설포네이트(1,3-dioxolan-2-onylethyl trifluoromethyl sulfonate), 1,3-디옥솔란-2-오닐에틸 트리플루오로에틸 설포네이트(1,3-dioxolan-2-onylethyl trifluoroethyl sulfonate), 1,3-디옥솔란-2-오닐에틸 벤질 설포네이트(1,3-dioxolan-2-onylethyl benzyl sulfonate), 1,3-디옥솔란-2-오닐에틸 페닐 설포네이트(1,3-dioxolan-2-onylethyl phenyl sulfonate), 1,3-디옥솔란-2-오닐에틸 파라클로로페닐 설포네이트(1,3-dioxolan-2-onylethyl para-chlorophenyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 알릴 설포네이트(1,3-dioxan-2-only-4-methyl allyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 메틸 설포네이트(1,3-dioxan-2-only-4-methyl methyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 시클로펜틸 설포네이트(1,3-dioxan-2-only-4-methyl cyclopentyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 시클로헥실 설포네이트(1,3-dioxan-2-only-4-methyl cyclohexyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 트리플루오로메틸 설포네이트(1,3-dioxan-2-only-4-methyl trifluoromethyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 트리플루오로에틸 설포네이트(1,3-dioxan-2-only-4-methyl trifluoroethyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 벤질 설포네이트(1,3-dioxan-2-only-4-methyl benzyl sulfonate), 1,3-디옥산-2-오닐-4-메틸 페닐 설포네이트(1,3-dioxan-2-only-4-methyl phenyl sulfonate), 및 1,3-디옥산-2-오닐-4-메틸 파라클로로페닐 설포네이트(1,3-dioxolan-2-only-4-methyl para-chlorophenyl sulfonate)로 구성된 군으로부터 선택된 화합물.
- 4-(히드록시알킬)-1,3-디옥솔란-2-온 및 설포닐 할라이드계 화합물을 반응시켜, 하기 화학식 1의 화합물을 제조하는 방법:[화학식 1]상기 화학식 1에서, R1 및 R2는 각각 독립적으로 탄소수 1 내지 6의 알킬기 또는 탄소수 2 내지 6 알케닐기가 도입되거나 도입되지 않은 C1~C6의 알킬렌기이고, R3는 수소, C1~C20의 알킬(alkyl)기, C3~C8의 고리형 알킬(cyclic alkyl)기, C2~C6의 알케닐(alkenyl)기, 할로겐이 치환된 알킬(alkyl)기, 페닐(phenyl)기, 및 벤질(benzyl)기로 이루어진 군으로부터 선택된 것이다.
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| KR101137139B1 (ko) | 2008-03-17 | 2012-04-19 | 주식회사 엘지화학 | 비수 전해액 및 이를 포함하는 이차 전지 |
| WO2017030416A1 (ko) * | 2015-08-19 | 2017-02-23 | 주식회사 엘지화학 | 리튬 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
| US10693179B2 (en) | 2015-08-19 | 2020-06-23 | Lg Chem, Ltd. | Electrolyte solution for lithium secondary battery and lithium secondary battery comprising the same |
| KR20200080170A (ko) * | 2018-12-26 | 2020-07-06 | 주식회사 엘지화학 | 리튬 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
| KR102512120B1 (ko) * | 2018-12-26 | 2023-03-22 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
| WO2020262947A1 (ko) * | 2019-06-24 | 2020-12-30 | 삼화페인트공업주식회사 | 플루오로설포닐기를 함유하는 카보네이트 화합물, 이의 제조방법 및 용도 |
| US12234215B2 (en) | 2019-06-24 | 2025-02-25 | Samhwa Paints Industries Co., Ltd. | Carbonate compound containing fluorosulfonyl group, and preparation method and use of same |
| KR20220104517A (ko) | 2021-01-18 | 2022-07-26 | 인천대학교 산학협력단 | 알릴페닐 술폰을 포함하는 리튬 이차전지용 전해액 및 이를 포함하는 리튬 이차전지 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI382010B (zh) | 2013-01-11 |
| TW200827324A (en) | 2008-07-01 |
| KR20080026522A (ko) | 2008-03-25 |
| WO2008035928A1 (en) | 2008-03-27 |
| US8349502B2 (en) | 2013-01-08 |
| CN101517813B (zh) | 2011-05-25 |
| JP2010503974A (ja) | 2010-02-04 |
| CN101517813A (zh) | 2009-08-26 |
| JP5604105B2 (ja) | 2014-10-08 |
| US20090280414A1 (en) | 2009-11-12 |
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