KR20100109180A - 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 - Google Patents
리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 Download PDFInfo
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- KR20100109180A KR20100109180A KR1020090027645A KR20090027645A KR20100109180A KR 20100109180 A KR20100109180 A KR 20100109180A KR 1020090027645 A KR1020090027645 A KR 1020090027645A KR 20090027645 A KR20090027645 A KR 20090027645A KR 20100109180 A KR20100109180 A KR 20100109180A
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- South Korea
- Prior art keywords
- electrolyte
- phosphine
- secondary battery
- lithium secondary
- compound
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 59
- 239000003792 electrolyte Substances 0.000 title claims abstract description 55
- -1 phosphine compound Chemical class 0.000 claims abstract description 57
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims abstract description 38
- 125000004665 trialkylsilyl group Chemical group 0.000 claims abstract description 23
- 239000007983 Tris buffer Substances 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 10
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 5
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims description 21
- 229910052731 fluorine Inorganic materials 0.000 claims description 14
- 239000011737 fluorine Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 6
- 150000003003 phosphines Chemical class 0.000 claims 1
- JYPDBXWRMXCOSW-UHFFFAOYSA-N tris(trimethylsilyl)phosphane Chemical compound C[Si](C)(C)P([Si](C)(C)C)[Si](C)(C)C.C[Si](C)(C)P([Si](C)(C)C)[Si](C)(C)C JYPDBXWRMXCOSW-UHFFFAOYSA-N 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 19
- 239000011572 manganese Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 11
- 239000007774 positive electrode material Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 239000007773 negative electrode material Substances 0.000 description 7
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 229910052720 vanadium Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000009831 deintercalation Methods 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 3
- 239000006182 cathode active material Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 2
- 229910013131 LiN Inorganic materials 0.000 description 2
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- QKBJDEGZZJWPJA-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound [CH2]COC(=O)OCCC QKBJDEGZZJWPJA-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- OUMZKMRZMVDEOF-UHFFFAOYSA-N tris(trimethylsilyl)phosphane Chemical compound C[Si](C)(C)P([Si](C)(C)C)[Si](C)(C)C OUMZKMRZMVDEOF-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910010090 LiAlO 4 Inorganic materials 0.000 description 1
- 229910013372 LiC 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- RLTFLELMPUMVEH-UHFFFAOYSA-N [Li+].[O--].[O--].[O--].[V+5] Chemical compound [Li+].[O--].[O--].[O--].[V+5] RLTFLELMPUMVEH-UHFFFAOYSA-N 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-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
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 239000011329 calcined coke Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000005466 carboxylated polyvinylchloride Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920005994 diacetyl cellulose Polymers 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052730 francium Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910000686 lithium vanadium oxide Inorganic materials 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- 239000006051 mesophase pitch carbide Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000973 polyvinylchloride carboxylated Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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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
- H01M10/052—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
-
- 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
- H01M10/056—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (14)
- 리튬염,적어도 하나의 트리알킬실릴기를 가지는 포스핀 화합물, 그리고유기 용매를 포함하는 리튬 이차 전지용 전해질.
- 제1항에서,불소를 함유하는 카보네이트 화합물을 더 포함하는 리튬 이차 전지용 전해질.
- 제4항에서,상기 불소를 함유하는 카보네이트 화합물은 플루오로에틸렌 카보네이트를 포함하는 리튬 이차 전지용 전해질.
- 제4항에서,상기 불소를 함유하는 카보네이트 화합물은 상기 전해질의 총 함량에 대하여 0.1 내지 10중량%로 포함되어 있는 리튬 이차 전지용 전해질.
- 제1항에서,상기 포스핀 화합물은 상기 전해질의 총 함량에 대하여 1 내지 10중량%로 포함되어 있는 리튬 이차 전지용 전해질.
- 양극,음극, 그리고리튬염, 적어도 하나의 트리알킬실릴기를 가지는 포스핀 화합물 및 유기 용매를 포함하는 전해질을 포함하는 리튬 이차 전지.
- 제8항에서,상기 전해질은 불소를 함유하는 카보네이트 화합물을 더 포함하는 리튬 이차 전지.
- 제11항에서,상기 불소를 함유하는 카보네이트 화합물은 플루오로에틸렌 카보네이트를 포함하는 리튬 이차 전지.
- 제11항에서,상기 불소를 함유하는 카보네이트 화합물은 상기 전해질의 총 함량에 대하여 0.1 내지 10중량%로 포함되어 있는 리튬 이차 전지.
- 제8항에서,상기 포스핀 화합물은 상기 전해질의 총 함량에 대하여 1 내지 10중량%로 포함되어 있는 리튬 이차 전지.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020090027645A KR101002653B1 (ko) | 2009-03-31 | 2009-03-31 | 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
US12/591,937 US8420265B2 (en) | 2009-03-31 | 2009-12-04 | Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same |
Applications Claiming Priority (1)
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KR1020090027645A KR101002653B1 (ko) | 2009-03-31 | 2009-03-31 | 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
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Cited By (2)
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US9203108B2 (en) | 2011-11-14 | 2015-12-01 | Samsung Sdi Co., Ltd. | Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the same |
KR20160024413A (ko) * | 2014-08-25 | 2016-03-07 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질, 및 이를 포함하는 리튬 전지 |
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KR102163731B1 (ko) | 2013-11-22 | 2020-10-08 | 삼성전자주식회사 | 리튬 전지용 전해질 및 이를 포함하는 리튬 전지 |
EP3291352B1 (en) | 2016-09-02 | 2019-05-08 | Samsung Electronics Co., Ltd | Electrolyte for lithium secondary battery and lithium secondary battery including the same |
US11936002B2 (en) * | 2017-12-13 | 2024-03-19 | Basf Se | Electrolyte composition comprising oligomeric silyl ester phosphonates |
CN108232300A (zh) * | 2018-01-05 | 2018-06-29 | 宁德新能源科技有限公司 | 一种锂离子电池及其电解液 |
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JPH07153487A (ja) | 1993-11-30 | 1995-06-16 | Tokin Corp | リチウム2次電池用電解液 |
JPH08321313A (ja) | 1995-05-24 | 1996-12-03 | Sanyo Electric Co Ltd | 非水電解液電池 |
BR9706631A (pt) * | 1996-08-20 | 1999-11-23 | Daiso Co Ltd | Eletrólito de polìmero sólido |
US6203942B1 (en) | 1998-10-22 | 2001-03-20 | Wilson Greatbatch Ltd. | Phosphate additives for nonaqueous electrolyte rechargeable electrochemical cells |
US6919141B2 (en) * | 1998-10-22 | 2005-07-19 | Wilson Greatbatch Technologies, Inc. | Phosphate additives for nonaqueous electrolyte rechargeable electrochemical cells |
US20040091772A1 (en) * | 2002-06-20 | 2004-05-13 | Boris Ravdel | Lithium-ion battery electrolytes with improved thermal stability |
JP4635407B2 (ja) * | 2003-03-25 | 2011-02-23 | 三洋電機株式会社 | 二次電池用非水系電解液及び非水系電解液二次電池 |
WO2005043650A2 (en) * | 2003-10-28 | 2005-05-12 | Johnson Controls Technology Company | Battery system with improved heat dissipation |
EP1739784B1 (en) * | 2004-04-19 | 2012-01-18 | Bridgestone Corporation | Non-aqueous electrolyte solution for battery and non-aqueous electrolyte battery using the same |
KR100873632B1 (ko) * | 2005-08-24 | 2008-12-12 | 삼성에스디아이 주식회사 | 유기전해액 및 이를 채용한 리튬 전지 |
JP4984022B2 (ja) | 2005-10-28 | 2012-07-25 | ソニー株式会社 | 二次電池 |
US8137844B2 (en) * | 2006-11-17 | 2012-03-20 | Nippon Chemical Industrial Co., Ltd. | Cathode active material for lithium rechargeable battery, manufacturing method thereof and lithium rechargeable battery |
KR20080061692A (ko) * | 2006-12-28 | 2008-07-03 | 제일모직주식회사 | 트리메틸실릴 포스파이트를 포함하는 리튬 2차전지용비수성 전해액 및 이를 포함하는 리튬 2차전지 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9203108B2 (en) | 2011-11-14 | 2015-12-01 | Samsung Sdi Co., Ltd. | Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the same |
KR20160024413A (ko) * | 2014-08-25 | 2016-03-07 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질, 및 이를 포함하는 리튬 전지 |
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US20100248039A1 (en) | 2010-09-30 |
US8420265B2 (en) | 2013-04-16 |
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