KR20160077271A - 리튬 이차전지용 전해액 및 이를 구비한 리튬 이차전지 - Google Patents
리튬 이차전지용 전해액 및 이를 구비한 리튬 이차전지 Download PDFInfo
- Publication number
- KR20160077271A KR20160077271A KR1020140185911A KR20140185911A KR20160077271A KR 20160077271 A KR20160077271 A KR 20160077271A KR 1020140185911 A KR1020140185911 A KR 1020140185911A KR 20140185911 A KR20140185911 A KR 20140185911A KR 20160077271 A KR20160077271 A KR 20160077271A
- Authority
- KR
- South Korea
- Prior art keywords
- hexafluorophosphate
- tetrafluoroborate
- ethylpyridinium
- methylpyridinium
- dimethylpyridinium
- 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.)
- Ceased
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000011255 nonaqueous electrolyte Substances 0.000 title 1
- -1 hexafluorophosphate anion Chemical class 0.000 claims abstract description 357
- 239000003792 electrolyte Substances 0.000 claims abstract description 32
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 28
- 239000003960 organic solvent Substances 0.000 claims abstract description 20
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 18
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 17
- 150000001450 anions Chemical class 0.000 claims abstract description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- GVXHSMAJJFVLGD-UHFFFAOYSA-N methyl 5-chloro-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylate Chemical compound C1=C(Cl)N=C2C(C(=O)OC)=CSC2=C1C(F)(F)F GVXHSMAJJFVLGD-UHFFFAOYSA-N 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 5
- 125000001174 sulfone group Chemical group 0.000 claims description 5
- BWZVCCNYKMEVEX-UHFFFAOYSA-N 2,4,6-Trimethylpyridine Chemical compound CC1=CC(C)=NC(C)=C1 BWZVCCNYKMEVEX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- BJWMSGRKJIOCNR-UHFFFAOYSA-N 4-ethenyl-1,3-dioxolan-2-one Chemical compound C=CC1COC(=O)O1 BJWMSGRKJIOCNR-UHFFFAOYSA-N 0.000 claims description 2
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910020366 ClO 4 Inorganic materials 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 108010000020 Platelet Factor 3 Proteins 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000000654 additive Substances 0.000 abstract description 7
- 230000000996 additive effect Effects 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 9
- 229910001416 lithium ion Inorganic materials 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
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- 230000000052 comparative effect Effects 0.000 description 6
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 5
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- 229920002981 polyvinylidene fluoride Polymers 0.000 description 5
- 229910013870 LiPF 6 Inorganic materials 0.000 description 4
- 239000004698 Polyethylene Substances 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
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
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- 238000007086 side reaction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- 150000001768 cations Chemical class 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
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- 239000007773 negative electrode material Substances 0.000 description 3
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- 229910000314 transition metal oxide Inorganic materials 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
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- 239000004952 Polyamide Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000006182 cathode active material Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
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- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 description 1
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 1
- NVJUHMXYKCUMQA-UHFFFAOYSA-N 1-ethoxypropane Chemical compound CCCOCC NVJUHMXYKCUMQA-UHFFFAOYSA-N 0.000 description 1
- MBDUIEKYVPVZJH-UHFFFAOYSA-N 1-ethylsulfonylethane Chemical compound CCS(=O)(=O)CC MBDUIEKYVPVZJH-UHFFFAOYSA-N 0.000 description 1
- YBJCDTIWNDBNTM-UHFFFAOYSA-N 1-methylsulfonylethane Chemical compound CCS(C)(=O)=O YBJCDTIWNDBNTM-UHFFFAOYSA-N 0.000 description 1
- WUIJTQZXUURFQU-UHFFFAOYSA-N 1-methylsulfonylethene Chemical compound CS(=O)(=O)C=C WUIJTQZXUURFQU-UHFFFAOYSA-N 0.000 description 1
- CRTKBIFIDSNKCN-UHFFFAOYSA-N 1-propylpyridin-1-ium Chemical compound CCC[N+]1=CC=CC=C1 CRTKBIFIDSNKCN-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- UHOPWFKONJYLCF-UHFFFAOYSA-N 2-(2-sulfanylethyl)isoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(CCS)C(=O)C2=C1 UHOPWFKONJYLCF-UHFFFAOYSA-N 0.000 description 1
- IFDLFCDWOFLKEB-UHFFFAOYSA-N 2-methylbutylbenzene Chemical compound CCC(C)CC1=CC=CC=C1 IFDLFCDWOFLKEB-UHFFFAOYSA-N 0.000 description 1
- LWLOKSXSAUHTJO-UHFFFAOYSA-N 4,5-dimethyl-1,3-dioxolan-2-one Chemical compound CC1OC(=O)OC1C LWLOKSXSAUHTJO-UHFFFAOYSA-N 0.000 description 1
- KNCHDRLWPAKSII-UHFFFAOYSA-N 4-ethyl-2-methylpyridine Chemical compound CCC1=CC=NC(C)=C1 KNCHDRLWPAKSII-UHFFFAOYSA-N 0.000 description 1
- LSUWCXHZPFTZSF-UHFFFAOYSA-N 4-ethyl-5-methyl-1,3-dioxolan-2-one Chemical compound CCC1OC(=O)OC1C LSUWCXHZPFTZSF-UHFFFAOYSA-N 0.000 description 1
- VJXRKZJMGVSXPX-UHFFFAOYSA-N 4-ethylpyridine Chemical compound CCC1=CC=NC=C1 VJXRKZJMGVSXPX-UHFFFAOYSA-N 0.000 description 1
- SJHAYVFVKRXMKG-UHFFFAOYSA-N 4-methyl-1,3,2-dioxathiolane 2-oxide Chemical compound CC1COS(=O)O1 SJHAYVFVKRXMKG-UHFFFAOYSA-N 0.000 description 1
- AUXJVUDWWLIGRU-UHFFFAOYSA-N 4-propyl-1,3-dioxolan-2-one Chemical compound CCCC1COC(=O)O1 AUXJVUDWWLIGRU-UHFFFAOYSA-N 0.000 description 1
- NTSLROIKFLNUIJ-UHFFFAOYSA-N 5-Ethyl-2-methylpyridine Chemical group CCC1=CC=C(C)N=C1 NTSLROIKFLNUIJ-UHFFFAOYSA-N 0.000 description 1
- HSFKRYDUVJTWHM-UHFFFAOYSA-N 5-ethyl-1,2-dimethylpyridin-1-ium Chemical compound CCC1=CC=C(C)[N+](C)=C1 HSFKRYDUVJTWHM-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
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- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
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Images
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
- H01M10/052—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
- H01M10/056—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
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- H—ELECTRICITY
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- 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
- H01M10/0568—Liquid materials characterised by the solutes
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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
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Abstract
Description
| 1st cycle | 50st cycle | 용량 유지율 (%) |
|||||
| 충전용량 (mAh/g) |
방전용량 (mAh/g) |
효율 (%) |
충전용량 (mAh/g) |
방전용량 (mAh/g) |
효율 (%) |
||
| 실시예 1 | 162.0 | 157.5 | 97.2 | 141.1 | 140.7 | 99.7 | 89.3 |
| 실시예 2 | 154.1 | 150.3 | 97.5 | 145.5 | 145.2 | 99.8 | 96.6 |
| 실시예 3 | 154.7 | 150.4 | 97.2 | 143.7 | 143.3 | 99.7 | 95.3 |
| 비교예 1 | 157.2 | 153.1 | 97.4 | 134.7 | 134.5 | 99.8 | 87.9 |
| 비교예 2 | 156.0 | 152.4 | 97.7 | 133.3 | 132.9 | 99.7 | 87.2 |
Claims (7)
- 제 1 항에 있어서,
상기 고체염은 피리디늄 헥사플루오로포스페이트(pyridinium hexafluorophosphate), 1-메틸피리디늄 헥사플루오로포스페이트(1-methylpyridinium hexafluorophosphate, 2-메틸피리디늄 헥사플루오로포스페이트(2-methylpyridinium hexafluorophosphate), 3-메틸피리디늄 헥사플루오로포스페이트(3-methylpyridinium hexafluorophosphate), 4-메틸피리디늄 헥사플루오로포스페이트(4-methylpyridinim hexafluorophosphate), 1-에틸피리디늄 헥사플루오로포스페이트(1-ethylpyridinium hexafluorophosphate), 2-에틸피리디늄 헥사플루오로포스페이트(2-ethylpyridinium hexafluorophosphate), 3-에틸피리디늄 헥사플루오로포스페이트(3-ethylpyridinium hexafluorophosphate), 4-에틸피리디늄 헥사플루오로포스페이트(4-ethylpyridinim hexafluorophosphate), 1-프로필피리디늄 헥사플루오로포스페이트(1-propylpyridinium hexafluorophosphate), 2-프로필피리디늄 헥사플루오로포스페이트(2-propylpyridinium hexafluorophosphate), 3-프로필피리디늄 헥사플루오로포스페이트(3-propylpyridinium hexafluorophosphate), 4-프로필피리디늄 헥사플루오로포스페이트(4-propylpyridinim hexafluorophosphate), 1-부틸피리디늄 헥사플루오로포스페이트(1-butylpyridinium hexafluorophosphate), 2-부틸피리디늄 헥사플루오로포스페이트(2-butylpyridinium hexafluorophosphate), 3-부틸피리디늄 헥사플루오로포스페이트(3-butylpyridinium hexafluorophosphate), 4-부틸피리디늄 헥사플루오로포스페이트(4-butylpyridinim hexafluorophosphate), N-tert-부틸피리디늄 헥사플루오로포스페이트(N-tert-butylpyridinium hexafluorophosphate), 1-플루오로피리디늄 헥사플루오로포스페이트(1-fluoropyridinium hexafluorophosphate), 2-플루오로피리디늄 헥사플루오로포스페이트(2-fluoropyridinium hexafluorophosphate), 3-플루오로피리디늄 헥사플루오로포스페이트(3-fluoropyridinium hexafluorophosphate, 4-플루오로피리디늄 헥사플루오로포스페이트(4-fluoropyridinium hexafluorophosphate), 1,2-디메틸피리디늄 헥사플루오로포스페이트(1,2-dimethylpyridinium hexafluorophosphate), 1,3-디메틸피리디늄 헥사플루오로포스페이트(1,3-dimethylpyridinium hexafluorophosphate), 1,4-디메틸피리디늄 헥사플루오로포스페이트(1,4-dimethylpyridinium hexafluorophosphate), 2,3-디메틸피리디늄 헥사플루오로포스페이트(2,3-dimethylpyridinium hexafluorophosphate), 2,4-디메틸피리디늄 헥사플루오로포스페이트(2,4-dimethylpyridinium hexafluorophosphate), 2,4,6-트리메틸피리디늄 헥사플루오로포스페이트(2,4,6-trimethylpyridinium hexafluorophosphate), 1-벤질피리디늄 헥사플루오로포스페이트(1-benzylpyridinium hexafluorophosphate), 1-메틸-3-에틸피리디늄 헥사플루오로포스페이트(1-methyl-3-ethylpyridinium hexafluorophosphate), 1,3,5-트리에틸피리디늄 헥사플루오로포스페이트(1,3,5-trimethylpyridinium hexafluorophosphate), 1-메틸-3,5-디에틸피리디늄 헥사플루오로포스페이트(1-methyl-3,5-diethylpyridinium hexafluorophosphate), 1-에틸-2-메틸피리디늄 헥사플루오로포스페이트(1-ethyl-2-methylpyridinium hexafluorophosphate), 1-메틸-2에틸피리디늄 헥사플루오로포스페이트(1-methyl-2-ethylpyridinium hexafluorophosphate), 1,2-디에틸 피리디늄 헥사플루오로포스페이트(1,2-diethylpyridinium hexafluorophosphate), 1,2-디메틸-5-에틸피리디늄 헥사플루오로포스페이트(1,2-dimethyl-5-ethylpyridinium hexafluorophosphate), 1,5-디에틸-2-메틸피리디늄 헥사플루오로포스페이트(1,5-diethyl-2-methylpyridinium hexafluorophosphate), 3-에틸-4-메틸피리디늄 헥사플루오로포스페이트(3-ethyl-4-methylpyridinium hexafluorophosphate), 4-에틸-2-메틸피리디늄 헥사플루오로포스페이트(4-ethyl-2-methylpyridinium hexafluorophosphate), 5-에틸-2메틸피리디늄 헥사플루오로포스페이트(5-ethyl-2-methylpyridinium hexafluorophosphate), 피리디늄 테트라플루오로보레이트(pyridinium tetrafluoroborate), 1-메틸피리디늄 테트라플루오로보레이트(1-methylpyridinium tetrafluoroborate), 2-메틸피리디늄 테트라플루오로보레이트(2-methylpyridinium tetrafluoroborate), 3-메틸피리디늄 테트라플루오로보레이트(3-methylpyridinium tetrafluoroborate), 4-메틸피리디늄 테트라플루오로보레이트(4-methylpyridinim tetrafluoroborate), 1-에틸피리디늄 테트라플루오로보레이트(1-ethylpyridinium tetrafluoroborate), 2-에틸피리디늄 테트라플루오로보레이트(2-ethylpyridinium tetrafluoroborate), 3-에틸피리디늄 테트라플루오로보레이트(3-ethylpyridinium tetrafluoroborate), 4-에틸피리디늄 테트라플루오로보레이트(4-ethylpyridinim tetrafluoroborate), 1-프로필피리디늄 테트라플루오로보레이트(1-propylpyridinium tetrafluoroborate), 2-프로필피리디늄 테트라플루오로보레이트(2-propylpyridinium tetrafluoroborate), 3-프로필피리디늄 테트라플루오로보레이트(3-propylpyridinium tetrafluoroborate), 4-프로필피리디늄 테트라플루오로보레이트(4-propylpyridinim tetrafluoroborate), 1-부틸피리디늄 테트라플루오로보레이트(1-butylpyridinium tetrafluoroborate), 2-부틸피리디늄 테트라플루오로보레이트(2-butylpyridinium tetrafluoroborate), 3-부틸피리디늄 테트라플루오로보레이트(3-butylpyridinium tetrafluoroborate), 4-부틸피리디늄 테트라플루오로보레이트(4-butylpyridinim tetrafluoroborate), N-tert-부틸피리디늄 테트라플루오로보레이트(N-tert-butylpyridinium tetrafluoroborate), 1-플루오로피리디늄 테트라플루오로보레이트(1-fluoropyridinium tetrafluoroborate), 2-플루오로피리디늄 테트라플루오로보레이트(2-fluoropyridinium tetrafluoroborate), 3-플루오로피리디늄 테트라플루오로보레이트(3-fluoropyridinium tetrafluoroborate), 4-플루오로피리디늄 테트라플루오로보레이트(4-fluoropyridinium tetrafluoroborate), 1,2-디메틸피리디늄 테트라플루오로보레이트(1,2-dimethylpyridinium tetrafluoroborate), 1,3-디메틸피리디늄 테트라플루오로보레이트(1,3-dimethylpyridinium tetrafluoroborate), 1,4-디메틸피리디늄 테트라플루오로보레이트(1,4-dimethylpyridinium tetrafluoroborate), 2,3-디메틸피리디늄 테트라플루오로보레이트(2,3-dimethylpyridinium tetrafluoroborate), 2,4-디메틸피리디늄 테트라플루오로보레이트(2,4-dimethylpyridinium tetrafluoroborate), 2,4,6-트리메틸피리디늄 테트라플루오로보레이트(2,4,6-trimethylpyridinium), 1-벤질피리디늄 테트라플루오로보레이트(1-benzylpyridinium tetrafluoroborate), 1-메틸-3-에틸피리디늄 테트라플루오로보레이트(1-methyl-3-ethylpyridinium tetrafluoroborate), 1,3,5-트리메틸피리디늄 테트라플루오로보레이트(1,3,5-trimethylpyridinium tetrafluoroborate), 1-메틸-3,5-디에틸피리디늄 테트라플루오로보레이트(1-methyl-3,5-diethylpyridinium tetrafluoroborate), 1-에틸-2-메틸피리디늄 테트라플루오로보레이트(1-ethyl-2-methylpyridinium tetrafluoroborate), 1-메틸-2-에틸피리디늄 테트라플루오로보레이트(1-methyl-2-ethylpyridinium tetrafluoroborate), 1,2-디에틸피리디늄 테트라플루오로보레이트(1,2-diethylpyridinium tetrafluoroborate, 1,2-디메틸-5-에틸피리디늄 테트라플루오로보레이트(1,2-dimethyl-5-ethylpyridinium tetrafluoroborate), 1,5-디에틸-2-메틸피리디늄 테트라플루오로보레이트(1,5-diethyl-2-methylpyridinium tetrafluoroborate), 3-에틸-4-메틸피리디늄 테트라플루오로보레이트(3-ethyl-4-methylpyridinium tetrafluoroborate), 4-에틸-2-메틸피리디늄 테트라플루오로보레이트(4-ethyl-2-methylpyridinium tetrafluoroborate), 5-에틸-2-메틸피리디늄 테트라플루오로보레이트(5-ethyl-2-methylpyridinium tetrafluoroborate)로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 리튬 이차전지용 전해액. - 제 1 항에 있어서,
상기 고체염의 함량이 상기 리튬염 및 유기 용매의 총합 100 중량부 대비 0.01 내지 5중량부인 것을 특징으로 하는 리튬 이차전지용 전해액. - 제1항에 있어서,
상기 리튬염의 음이온은 F-, Cl-, Br-, I-, NO3 -, N(CN)2 -, BF4 -, ClO4 -, PF6 -, (CF3)2PF4 -, (CF3)3PF3 -, (CF3)4PF2 -, (CF3)5PF-, (CF3)6P-, CF3SO3 -, CF3CF2SO3 -, (CF3SO2)2N-, (FSO2)2N-, CF3CF2(CF3)2CO-, (CF3SO2)2CH-, (SF5)3C-, (CF3SO2)3C-, CF3(CF2)7SO3 -, CF3CO2 -, CH3CO2 -, SCN- 및 (CF3CF2SO2)2N-로 이루어진 군으로부터 선택된 어느 하나인 것을 특징으로 하는 리튬 이차전지용 전해액. - 제1항에 있어서,
상기 유기 용매는 에테르, 에스테르, 아미드, 선형 카보네이트 및 환형 카보네이트로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 리튬 이차전지용 전해액. - 제1항에 있어서,
상기 전해액은 비닐렌 카보네이트, 비닐에틸렌 카보네이트, 플루오로에틸렌 카보네이트, 환형 설파이트, 포화 설톤, 불포화 설톤 및 비환형 설폰으로 이루어진 군에서 선택된 1종 이상을 더 포함하는 것을 특징으로 하는 리튬 이차전지용 전해액. - 제 1 항 내지 제 6 항 중 어느 한 항의 전해액을 포함하는 것을 특징으로 하는 리튬 이차전지.
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| PCT/KR2015/007788 WO2016104904A1 (ko) | 2014-12-22 | 2015-07-27 | 리튬 이차전지용 전해액 및 이를 구비한 리튬 이차전지 |
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| CN115602926B (zh) * | 2022-12-16 | 2023-04-28 | 河北省科学院能源研究所 | 一种耐高温电解液及其制备方法和应用 |
| CN115939519A (zh) * | 2022-12-30 | 2023-04-07 | 蜂巢能源科技(无锡)有限公司 | 一种电解液和含其的电池 |
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| JPH0513088A (ja) | 1990-12-12 | 1993-01-22 | Sanyo Electric Co Ltd | 非水系電解液電池 |
| KR20120011209A (ko) | 2010-07-28 | 2012-02-07 | 주식회사 엘지화학 | 리튬 이차전지용 비수 전해액 및 이를 함유한 리튬 이차전지 |
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| AU2003284626A1 (en) * | 2002-11-29 | 2004-06-23 | Yuasa Corporation | Nonaqueous electrolyte and nonaqueous electrolyte battery |
| US20060088763A1 (en) * | 2004-05-17 | 2006-04-27 | Wen Li | Additives for increasing ion conductivity of molten salt type electrolyte in battery |
| US20090226797A1 (en) * | 2006-05-16 | 2009-09-10 | Ube Industries, Ltd. | Electric storage device and electric storage system |
| KR101502926B1 (ko) * | 2007-07-06 | 2015-03-17 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 고분자 전해질, 및 이를 포함하는 리튬이차 전지 |
| KR20140018461A (ko) * | 2012-07-25 | 2014-02-13 | 동우 화인켐 주식회사 | 리튬 이차전지용 전해액 및 이를 구비하는 리튬 이차전지 |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0513088A (ja) | 1990-12-12 | 1993-01-22 | Sanyo Electric Co Ltd | 非水系電解液電池 |
| KR20120011209A (ko) | 2010-07-28 | 2012-02-07 | 주식회사 엘지화학 | 리튬 이차전지용 비수 전해액 및 이를 함유한 리튬 이차전지 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210130242A (ko) * | 2017-06-01 | 2021-10-29 | 쇼와덴코머티리얼즈가부시끼가이샤 | 전해질 조성물, 이차 전지, 및 전해질 시트의 제조 방법 |
| KR20220160448A (ko) * | 2021-05-27 | 2022-12-06 | 서울대학교산학협력단 | 브롬화 시약을 이용한 금속 음극의 제조방법, 상기 음극 및 상기 음극을 포함하는 이차전지 |
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| WO2016104904A1 (ko) | 2016-06-30 |
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