KR100628470B1 - 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 - Google Patents
리튬 전지용 전해질 및 이를 포함하는 리튬 전지 Download PDFInfo
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- KR100628470B1 KR100628470B1 KR1020040088689A KR20040088689A KR100628470B1 KR 100628470 B1 KR100628470 B1 KR 100628470B1 KR 1020040088689 A KR1020040088689 A KR 1020040088689A KR 20040088689 A KR20040088689 A KR 20040088689A KR 100628470 B1 KR100628470 B1 KR 100628470B1
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003792 electrolyte Substances 0.000 title claims abstract description 57
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 58
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 39
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 32
- 150000002367 halogens Chemical class 0.000 claims abstract description 31
- 239000000654 additive Substances 0.000 claims abstract description 28
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 125000005842 heteroatom Chemical group 0.000 claims abstract description 22
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 12
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000011356 non-aqueous organic solvent Substances 0.000 claims abstract description 10
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 47
- 239000000126 substance Substances 0.000 claims description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 8
- 238000009830 intercalation Methods 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 238000009831 deintercalation Methods 0.000 claims description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 6
- GETTZEONDQJALK-UHFFFAOYSA-N (trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 claims description 4
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 4
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 4
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 claims description 4
- QKBJDEGZZJWPJA-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound [CH2]COC(=O)OCCC QKBJDEGZZJWPJA-UHFFFAOYSA-N 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012046 mixed solvent Substances 0.000 claims description 4
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 claims description 4
- 150000001491 aromatic compounds Chemical group 0.000 claims description 3
- 150000005678 chain carbonates Chemical class 0.000 claims description 3
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 2
- MMZYCBHLNZVROM-UHFFFAOYSA-N 1-fluoro-2-methylbenzene Chemical compound CC1=CC=CC=C1F MMZYCBHLNZVROM-UHFFFAOYSA-N 0.000 claims description 2
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 2
- 229910010090 LiAlO 4 Inorganic materials 0.000 claims description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 229910013372 LiC 4 Inorganic materials 0.000 claims description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 2
- 229910012513 LiSbF 6 Inorganic materials 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical group COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- SMBQBQBNOXIFSF-UHFFFAOYSA-N dilithium Chemical compound [Li][Li] SMBQBQBNOXIFSF-UHFFFAOYSA-N 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- 239000011255 nonaqueous electrolyte Substances 0.000 abstract description 3
- -1 benzene compound Chemical class 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052727 yttrium Inorganic materials 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 230000002687 intercalation Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000002000 Electrolyte additive Substances 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- CRMJLJFDPNJIQA-UHFFFAOYSA-N 2,4-difluoro-1-methoxybenzene Chemical compound COC1=CC=C(F)C=C1F CRMJLJFDPNJIQA-UHFFFAOYSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- QUBJDMPBDURTJT-UHFFFAOYSA-N 3-chlorothiophene Chemical compound ClC=1C=CSC=1 QUBJDMPBDURTJT-UHFFFAOYSA-N 0.000 description 1
- RJVMELHDBATWDK-UHFFFAOYSA-N 5-fluoro-3h-1-benzofuran-2-one Chemical compound FC1=CC=C2OC(=O)CC2=C1 RJVMELHDBATWDK-UHFFFAOYSA-N 0.000 description 1
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003660 carbonate based solvent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N methyl acetate Chemical compound COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
-
- 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
- H01M10/0568—Liquid materials characterised by the solutes
-
- 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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- 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
Abstract
Description
발화 여부 | 산화 전위(V) | 환원 전위(V) | |||
비교예 1 | ○ | - | - | ||
화학식 8 | ○ | 5.26 | - | ||
화학식 9 | X | - | - |
Claims (23)
- 제 1 항에 있어서, 상기 R은 H, 할로겐, 치환 또는 비치환된 C1-C8의 알킬기이고, Ra 내지 Rd 중 적어도 하나는 할로겐, 탄소수 8 이하의 불포화 또는 포화 알킬기 또는 탄소수 8 이하의 알콕시기인 리튬 전지용 전해질.
- 제 1 항에 있어서, 상기 첨가제가 하기 화학식 4로 표시되는 화합물인 것인 리튬 전지용 전해질.[화학식 4](상기 화학식 4에서, R1 내지 R4는 동일하거나 서로 독립적으로 탄소수 8 이하의 알콕시기, 할로겐, H 또는 탄소수 8 이하의 불포화 또는 포화 알킬기이고, 인접한 R은 서로 고리 형태 혹은 헤테로 고리 형태로 연결될 수 있으며, R5 내지 R8은 동일하거나 서로 독립적으로 탄소수 8 이하의 알콕시기, 할로겐, H, 탄소수 8 이하의 불포화 또는 포화 알킬기이고, 인접한 R은 서로 고리 형태 혹은 헤테로 형태로 연결될 수 있다.)
- 제 1 항에 있어서, 상기 첨가제의 함량은 상기 전해질 전체 중량에 대하여 0.01 내지 50 중량%인 리튬 전지용 전해질.
- 제 1 항에 있어서, 상기 리튬염은 LiPF6, LiBF4, LiSbF6, LiAsF6 , LiClO4, LiCF3SO3, Li(CF3SO2)2N, LiC4F9 SO3, LiAlO4, LiAlCl4, LiN(CxF2x+1SO2 )(CyF2y+1SO2)(여기서, x 및 y는 자연수임), LiCl, 및 LiI로 이루어진 군에서 선택되는 1 종 또는 2 종 이상인 리튬 전지용 전해질.
- 제 1 항에 있어서, 상기 리튬염은 0.7 내지 2.0M 의 농도로 사용되는 리튬 전지용 전해질.
- 제 1 항에 있어서, 상기 비수성 유기용매는 카보네이트, 에스테르, 에테르 및 케톤으로 이루어진 군에서 선택되는 적어도 하나의 용매인 리튬 전지용 전해질.
- 제 14 항에 있어서, 상기 카보네이트는 디메틸 카보네이트(DMC), 디에틸 카보네이트(DEC), 디프로필 카보네이트(DPC), 메틸프로필 카보네이트(MPC), 에틸프로필 카보네이트(EPC), 메틸에틸 카보네이트(MEC) 에틸렌 카보네이트(EC), 프로필렌 카보네이트(PC) 및 부틸렌 카보네이트(BC)로 이루어진 군에서 선택되는 적어도 하나의 용매인 리튬 전지용 전해질.
- 제 14 항에 있어서, 상기 카보네이트는 환형(cyclic) 카보네이트와 사슬형(chain) 카보네이트의 혼합용매인 리튬 전지용 전해질.
- 제 1 항에 있어서, 상기 비수성 유기용매는 카보네이트계 용매와 방향족 탄화수소계 유기용매의 혼합용매인 리튬 전지용 전해질.
- 제 17 항에 있어서, 상기 방향족 탄화수소계 유기용매는 벤젠, 플루오로벤젠, 톨루엔, 플루오로톨루엔, 트리플루오로톨루엔, 및 자일렌으로 이루어진 군에서 선택되는 적어도 하나의 용매인 리튬 전지용 전해질.
- 제 17 항에 있어서, 상기 카보네이트계 용매와 방향족 탄화수소계 유기용매는 1:1 내지 30:1의 부피비로 혼합되는 것인 리튬 전지용 전해질.
- 비수성 유기 용매; 리튬염; 및 하기 화학식 1의 첨가제 화합물을 포함하는 전해질;리튬을 인터칼레이션 및 디인터칼레이션할 수 있는 양극 활물질을 포함하는 양극; 및리튬을 인터칼레이션 및 디인터칼레이션할 수 있는 음극 활물질을 포함하는 음극을 포함하는 리튬 전지.[화학식 1](상기 화학식 1에서,X 및 Y는 O, S, CR2 또는 NR이고, 여기에서 R은 H, 할로겐 또는 치환 또는 비치환된 탄소수 8 이하의 알킬기이고, 상기 알킬기는 고리 형태 또는 헤테로 고리 형태로 연결될 수 있고,Ra 내지 Rd는 동일하거나 서로 독립적으로 탄소수 8 이하의 알콕시기, 할로겐, H 또는 탄소수 8 이하의 불포화 또는 포화 알킬기이고, 인접한 R은 서로 고리 형태 혹은 헤테로 형태로 연결될 수 있다.)
- 제1항에 있어서, X 및 Y는 모두 산소(O)는 아니며, Ra 내지 Rb 중 적어도 하나는 할로겐인 것인 리튬 전지용 전해질.
- 제22항에 있어서, Ra 내지 Rb 중 적어도 하나는 플루오르인 것인 리튬 전지용 전해질.
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KR1020040088689A KR100628470B1 (ko) | 2004-11-03 | 2004-11-03 | 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 |
EP05110102A EP1657775B1 (en) | 2004-11-03 | 2005-10-28 | Electrolyte for lithium battery and lithium battery comprising same |
DE602005012774T DE602005012774D1 (de) | 2004-11-03 | 2005-10-28 | Elektrolyt für Lithiumbatterie und Lithiumbatterie diesen enthaltend |
US11/265,779 US7438993B2 (en) | 2004-11-03 | 2005-11-01 | Electrolyte for lithium battery and lithium battery comprising same |
JP2005321442A JP4842617B2 (ja) | 2004-11-03 | 2005-11-04 | リチウム電池用電解質およびリチウム電池 |
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KR1020040088689A KR100628470B1 (ko) | 2004-11-03 | 2004-11-03 | 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 |
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EP (1) | EP1657775B1 (ko) |
JP (1) | JP4842617B2 (ko) |
KR (1) | KR100628470B1 (ko) |
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KR100786968B1 (ko) * | 2005-07-22 | 2007-12-17 | 주식회사 엘지화학 | 전극활물질의 전처리 방법 |
CN101243565B (zh) * | 2005-08-19 | 2010-12-22 | 株式会社Lg化学 | 具有高容量的电化学装置及其制备方法 |
US8968940B2 (en) * | 2010-05-25 | 2015-03-03 | Uchicago Argonne, Llc | Redox shuttles for high voltage cathodes |
CN103618108B (zh) * | 2013-11-25 | 2017-09-29 | 东莞新能源科技有限公司 | 锂离子电池及其电解液 |
JP6120101B2 (ja) * | 2014-12-25 | 2017-04-26 | トヨタ自動車株式会社 | 非水電解質二次電池およびその製造方法 |
CN108736065B (zh) * | 2017-04-25 | 2020-06-23 | 惠州比亚迪电池有限公司 | 一种电解液及含有该电解液和/或正极的锂离子电池 |
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JP2000353544A (ja) | 1999-06-09 | 2000-12-19 | Toyota Central Res & Dev Lab Inc | 非水電解液二次電池 |
US20030152840A1 (en) | 2000-05-03 | 2003-08-14 | Song Eui-Hwan | Non-aqueous electrolyte compositions and lithium secondary batteries made thereof |
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JP3669024B2 (ja) | 1995-05-26 | 2005-07-06 | ソニー株式会社 | 非水電解液二次電池 |
CA2156800C (en) | 1995-08-23 | 2003-04-29 | Huanyu Mao | Polymerizable aromatic additives for overcharge protection in non-aqueous rechargeable lithium batteries |
JP3680454B2 (ja) * | 1996-05-28 | 2005-08-10 | 株式会社デンソー | 非水電解質二次電池 |
JP4019226B2 (ja) * | 1996-10-07 | 2007-12-12 | 日本ケミコン株式会社 | アルミニウム電解コンデンサ |
JP4296620B2 (ja) * | 1998-11-18 | 2009-07-15 | ソニー株式会社 | 非水電解液電池 |
KR100424257B1 (ko) * | 2001-10-20 | 2004-03-22 | 삼성에스디아이 주식회사 | 과충전 안전성이 우수한 비수계 전해액 및 이를 채용한리튬 전지 |
JP4476530B2 (ja) * | 2001-12-21 | 2010-06-09 | 三星エスディアイ株式会社 | 電解質及びリチウム二次電池並びにリチウム二次電池の製造方法 |
KR100482816B1 (ko) | 2002-09-12 | 2005-04-14 | 주식회사 엘지화학 | 비수전해액을 이용한 리튬 이차 전지 |
KR100527827B1 (ko) | 2003-03-13 | 2005-11-09 | 삼성에스디아이 주식회사 | 비수성 전해질 및 이를 포함하는 리튬 이차 전지 |
KR100658742B1 (ko) * | 2004-10-28 | 2006-12-15 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 |
KR100658741B1 (ko) * | 2004-10-28 | 2006-12-15 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 |
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- 2005-10-28 EP EP05110102A patent/EP1657775B1/en active Active
- 2005-11-01 US US11/265,779 patent/US7438993B2/en active Active
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Patent Citations (2)
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JP2000353544A (ja) | 1999-06-09 | 2000-12-19 | Toyota Central Res & Dev Lab Inc | 非水電解液二次電池 |
US20030152840A1 (en) | 2000-05-03 | 2003-08-14 | Song Eui-Hwan | Non-aqueous electrolyte compositions and lithium secondary batteries made thereof |
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DE602005012774D1 (de) | 2009-04-02 |
JP2006134885A (ja) | 2006-05-25 |
JP4842617B2 (ja) | 2011-12-21 |
EP1657775A1 (en) | 2006-05-17 |
US7438993B2 (en) | 2008-10-21 |
EP1657775B1 (en) | 2009-02-18 |
US20060127776A1 (en) | 2006-06-15 |
KR20060039568A (ko) | 2006-05-09 |
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