KR100751205B1 - 전지의 성능을 향상시키기 위한 전해액 및 이를 포함하는리튬 이차 전지 - Google Patents
전지의 성능을 향상시키기 위한 전해액 및 이를 포함하는리튬 이차 전지 Download PDFInfo
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- KR100751205B1 KR100751205B1 KR1020040071019A KR20040071019A KR100751205B1 KR 100751205 B1 KR100751205 B1 KR 100751205B1 KR 1020040071019 A KR1020040071019 A KR 1020040071019A KR 20040071019 A KR20040071019 A KR 20040071019A KR 100751205 B1 KR100751205 B1 KR 100751205B1
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- South Korea
- Prior art keywords
- electrolyte
- cyclic carbonate
- lithium secondary
- halogenated cyclic
- secondary battery
- Prior art date
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003792 electrolyte Substances 0.000 title claims abstract description 39
- 150000005676 cyclic carbonates Chemical class 0.000 claims abstract description 37
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 16
- 230000000977 initiatory effect Effects 0.000 claims abstract description 9
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 7
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 7
- -1 propene sultone Chemical class 0.000 claims description 16
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 9
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 claims description 7
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 7
- 229940014800 succinic anhydride Drugs 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 4
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- 229940017219 methyl propionate Drugs 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000003759 ester based solvent Substances 0.000 claims 1
- 239000002000 Electrolyte additive Substances 0.000 abstract description 9
- 230000000052 comparative effect Effects 0.000 description 9
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical class O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910021382 natural graphite Inorganic materials 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 2
- GKZFQPGIDVGTLZ-UHFFFAOYSA-N 4-(trifluoromethyl)-1,3-dioxolan-2-one Chemical compound FC(F)(F)C1COC(=O)O1 GKZFQPGIDVGTLZ-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 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 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- DSMUTQTWFHVVGQ-UHFFFAOYSA-N 4,5-difluoro-1,3-dioxolan-2-one Chemical compound FC1OC(=O)OC1F DSMUTQTWFHVVGQ-UHFFFAOYSA-N 0.000 description 1
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- OYOKPDLAMOMTEE-UHFFFAOYSA-N 4-chloro-1,3-dioxolan-2-one Chemical compound ClC1COC(=O)O1 OYOKPDLAMOMTEE-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 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
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- GIHPIZYAGJBMCU-UHFFFAOYSA-N [F].C1(OCCO1)=O Chemical compound [F].C1(OCCO1)=O GIHPIZYAGJBMCU-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- MJIULRNAOLSIHL-UHFFFAOYSA-N carbonic acid;fluoroethene Chemical compound FC=C.OC(O)=O MJIULRNAOLSIHL-UHFFFAOYSA-N 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 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
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
-
- 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
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0034—Fluorinated 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
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
용매 | 점도 (상온) | 유전상수 | 분자량 |
모노플루오르 에틸렌 카보네이트(F1EC) | 4.1 | 78.4 | 106.1 |
디플루오르 에틸렌 카보네이트(trans-F2EC) | 2.5 | 37.1 | 124.0 |
트리플루오르 프로필렌 카보네이트(TFPC) | 5.0 | 62.5 | 156.0 |
에틸렌 카보네이트(EC) | 2.5 | 89 | 88.1 |
프로필렌 카보네이트(PC) | 2.53 | 65 | 102.1 |
디메틸 카보네이트(DMC) | 0.59 | 3.1 | 90.1 |
에틸메틸 카보네이트(EMC) | 0.65 | 3.0 | 104.1 |
디에틸 카보네이트(DEC) | 0.75 | 2.8 | 118.1 |
에틸렌 아세테이트(EA) | 0.44 | 6.0 | 88.11 |
메틸 프로피오네이트(MP) | 0.43 | 6.2 | 88.11 |
전해질 | 첨가제 (wt.%) | 초기 효율(%) Cdischarge/Ccharge | 사이클 특성(%) C50th/C1st | |
실시예 1 | FEC : EMC = 3:7 | 에틸렌 설파이트 1% | 92.4 | 84.2 |
실시예 2 | 에틸렌 설파이트 3% | 92.9 | 86.6 | |
실시예 3 | 에틸렌 설파이트 5% | 92.6 | 86.3 | |
실시예 4 | 프로펜 설톤 1% | 91.8 | 83.6 | |
실시예 5 | 프로펜 설톤 3% | 92.3 | 85.4 | |
실시예 6 | 프로펜 설톤 5% | 92.1 | 85.2 | |
실시예 7 | 석시닉 안하이드라이드 1% | 92.3 | 85.4 | |
실시예 8 | 석시닉 안하이드라이드 3% | 92.5 | 86.3 | |
실시예 9 | 석시닉 안하이드라이드 5% | 92.5 | 85.9 | |
비교예 1 | EC : EMC = 3:7 | No additive | 90.6 | 76.7 |
비교예 2 | 에틸렌 설파이트 3% | 90.4 | 79.3 | |
비교예 3 | 프로펜 설톤 3% | 90.7 | 78.5 | |
비교예 4 | 석시닉 안하이드라이드 3% | 90.6 | 79.1 | |
비교예 5 | FEC : EMC = 3:7 | No additive | 90.8 | 79.5 |
Claims (7)
- i) 리튬염, ii) 할로겐화 환상 카보네이트 및 선형 에스테르계 용매를 포함하는 전해액 용매, 및 iii) 상기 할로겐화 환상 카보네이트보다 환원개시전위가 낮은 화합물을 포함하는 리튬 이차 전지용 전해액으로서,상기 할로겐화 환상 카보네이트는 전해액 기준 20 내지 60 부피%로 포함되어 있고, 상기 선형 에스테르계 용매는 전해액 기준 40 내지 80 부피 %로 포함되어 있는 것인 리튬 이차 전지용 전해액.
- 제1항에 있어서, 상기 선형 에스테르계 용매는 에틸메틸 카보네이트, 디메틸 카보네이트, 디에틸 카보네이트, 에틸 아세테이트, 메틸 포르메이트 및 메틸 프로피오네이트 등에서 선택되는 1종 이상인 것인 리튬 이차 전지용 전해액.
- 삭제
- 제1항에 있어서, 상기 할로겐화 환상 카보네이트보다 환원개시전위가 낮은 화합물은 프로펜 설톤(Propene sultone), 에틸렌 설파이트(Ethylene sulfite), 석시닉 안하이드라이드(Succinic anhydride)로부터 선택되는 1종 이상의 화합물인 것을 특징으로 하는 리튬 이차 전지용 전해액.
- 제1항에 있어서, 상기 할로겐화 환상 카보네이트보다 환원개시전위가 낮은 화합물은 전해액 기준 0.01 내지 10 중량%로 포함되어 있는 것인 리튬 이차 전지용 전해액.
- 양극, 음극, 전해액을 포함하는 리튬 이차 전지에 있어서, 상기 전해액이 i) 리튬염, ii) 할로겐화 환상 카보네이트 및 선형 에스테르계 용매를 포함하는 전해액 용매, 및 iii) 상기 할로겐화 환상 카보네이트보다 환원개시전위가 낮은 화합물을 포함하는 제1항 내지 제6항 중 어느 하나의 항에 기재된 전해액인 것을 특징으로 하는 리튬 이차 전지.
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KR20030062206 | 2003-09-05 | ||
KR1020030062206 | 2003-09-05 |
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KR20050025101A KR20050025101A (ko) | 2005-03-11 |
KR100751205B1 true KR100751205B1 (ko) | 2007-08-22 |
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KR1020040070099A KR100657225B1 (ko) | 2003-09-05 | 2004-09-02 | 전지의 안전성을 향상시키기 위한 전해액 용매 및 이를포함하는 리튬 이차 전지 |
KR1020040071019A KR100751205B1 (ko) | 2003-09-05 | 2004-09-06 | 전지의 성능을 향상시키기 위한 전해액 및 이를 포함하는리튬 이차 전지 |
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KR1020040070099A KR100657225B1 (ko) | 2003-09-05 | 2004-09-02 | 전지의 안전성을 향상시키기 위한 전해액 용매 및 이를포함하는 리튬 이차 전지 |
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US (3) | US8158285B2 (ko) |
EP (2) | EP1661200B1 (ko) |
JP (1) | JP4536724B2 (ko) |
KR (2) | KR100657225B1 (ko) |
CN (2) | CN1846326A (ko) |
BR (1) | BRPI0413390B1 (ko) |
TW (1) | TWI255060B (ko) |
WO (1) | WO2005024991A1 (ko) |
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BRPI0413390B1 (pt) | 2017-09-12 |
US8372549B2 (en) | 2013-02-12 |
TWI255060B (en) | 2006-05-11 |
CN1846326A (zh) | 2006-10-11 |
BRPI0413390A (pt) | 2006-10-17 |
JP2007504628A (ja) | 2007-03-01 |
JP4536724B2 (ja) | 2010-09-01 |
US8158285B2 (en) | 2012-04-17 |
EP2605323B1 (en) | 2015-10-28 |
EP1661200B1 (en) | 2013-05-22 |
TW200520276A (en) | 2005-06-16 |
US20120177999A1 (en) | 2012-07-12 |
CN102104172A (zh) | 2011-06-22 |
EP1661200A1 (en) | 2006-05-31 |
WO2005024991A1 (en) | 2005-03-17 |
CN102104172B (zh) | 2017-08-08 |
KR20050025101A (ko) | 2005-03-11 |
US20050031963A1 (en) | 2005-02-10 |
US8288039B2 (en) | 2012-10-16 |
EP1661200A4 (en) | 2009-09-30 |
KR20050024270A (ko) | 2005-03-10 |
KR100657225B1 (ko) | 2006-12-14 |
US20120177956A1 (en) | 2012-07-12 |
EP2605323A1 (en) | 2013-06-19 |
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