KR20030042792A - 과충전 안전성이 우수한 고분자 전해질 형성용 조성물 및이를 채용한 리튬 전지 - Google Patents
과충전 안전성이 우수한 고분자 전해질 형성용 조성물 및이를 채용한 리튬 전지 Download PDFInfo
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- KR20030042792A KR20030042792A KR1020010073571A KR20010073571A KR20030042792A KR 20030042792 A KR20030042792 A KR 20030042792A KR 1020010073571 A KR1020010073571 A KR 1020010073571A KR 20010073571 A KR20010073571 A KR 20010073571A KR 20030042792 A KR20030042792 A KR 20030042792A
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- 239000000203 mixture Substances 0.000 title claims abstract description 59
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 239000005518 polymer electrolyte Substances 0.000 title claims description 44
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 15
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 12
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 12
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000002202 Polyethylene glycol Substances 0.000 claims description 12
- 125000004386 diacrylate group Chemical group 0.000 claims description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 9
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 8
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 8
- -1 LiCF 3 SO 3 Inorganic materials 0.000 claims description 7
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 229920000671 polyethylene glycol diacrylate Polymers 0.000 claims description 6
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 4
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 3
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 3
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 3
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 229920000867 polyelectrolyte Polymers 0.000 abstract 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011149 active material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000005486 organic electrolyte Substances 0.000 description 3
- 238000009783 overcharge test Methods 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 150000005677 organic carbonates Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- GDXHBFHOEYVPED-UHFFFAOYSA-N 1-(2-butoxyethoxy)butane Chemical compound CCCCOCCOCCCC GDXHBFHOEYVPED-UHFFFAOYSA-N 0.000 description 1
- GATVHFQKUCJQGI-UHFFFAOYSA-N 1-(7-acetylthianthren-2-yl)ethanone Chemical compound CC(=O)C1=CC=C2SC3=CC(C(=O)C)=CC=C3SC2=C1 GATVHFQKUCJQGI-UHFFFAOYSA-N 0.000 description 1
- YUKILTJWFRTXGB-UHFFFAOYSA-N 1-chloro-3-methoxybenzene Chemical compound COC1=CC=CC(Cl)=C1 YUKILTJWFRTXGB-UHFFFAOYSA-N 0.000 description 1
- YRGAYAGBVIXNAQ-UHFFFAOYSA-N 1-chloro-4-methoxybenzene Chemical compound COC1=CC=C(Cl)C=C1 YRGAYAGBVIXNAQ-UHFFFAOYSA-N 0.000 description 1
- SFTRWCBAYKQWCS-UHFFFAOYSA-N 2-butanoyloxyethyl butanoate Chemical compound CCCC(=O)OCCOC(=O)CCC SFTRWCBAYKQWCS-UHFFFAOYSA-N 0.000 description 1
- KZNRNQGTVRTDPN-UHFFFAOYSA-N 2-chloro-1,4-dimethylbenzene Chemical group CC1=CC=C(C)C(Cl)=C1 KZNRNQGTVRTDPN-UHFFFAOYSA-N 0.000 description 1
- UMNVUZRZKPVECS-UHFFFAOYSA-N 2-propanoyloxyethyl propanoate Chemical compound CCC(=O)OCCOC(=O)CC UMNVUZRZKPVECS-UHFFFAOYSA-N 0.000 description 1
- KBTMGSMZIKLAHN-UHFFFAOYSA-N 4-bromo-1,2-dimethoxybenzene Chemical compound COC1=CC=C(Br)C=C1OC KBTMGSMZIKLAHN-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical class OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 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 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 150000002642 lithium compounds Chemical group 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- ZMQDTYVODWKHNT-UHFFFAOYSA-N tris(2,2,2-trifluoroethyl) phosphate Chemical compound FC(F)(F)COP(=O)(OCC(F)(F)F)OCC(F)(F)F ZMQDTYVODWKHNT-UHFFFAOYSA-N 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 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
- 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
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
- H01M6/181—Cells with non-aqueous electrolyte with solid electrolyte with polymeric electrolytes
-
- 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
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
- Cell Separators (AREA)
Abstract
Description
평균 표준 방전 용량(mAh) | 평균 고율(2C) 방전용량(mAh) | 평균 1C) 방전용량(mAh) | |
실시예 1 | 523 | 420 | 450 |
실시예 2 | 513 | 410 | 440 |
실시예 3 | 526 | 400 | 425 |
실시예 4 | 505 | 440 | 459 |
실시예 5 | 501 | 440 | 413 |
비교예 1 | 530 | 444 | 467 |
비교예 2 | 527 | 445 | 471 |
Claims (12)
- 유기용매, 리튬염 및 하기 화학식 1의 방향족 화합물을 포함하는 것을 특징으로 하는 고분자 전해질 형성용 조성물.<화학식 1>(상기 식에서,Y1, Y2=(여기에서 R1은 수소 또는 알킬),또는OCN- 이고,X1, X2=,(-OCH2CH2-)n또는 (-CH2-)n(여기에서 n은 0∼20의 정수)이며,Ar =(여기에서, R1, R2는 수소 또는 알킬)또는을 나타낸다.)
- 제 1항에 있어서, 상기 방향족 화합물의 첨가량은 전체 고분자 전해질 형성용 조성물에 대하여 0.1 중량%∼20 중량%인 것을 특징으로 하는 고분자 전해질 형성용 조성물.
- 제 1항에 있어서, 상기 방향족 화합물이 하기 화학식 2의 화합물인 것을 특징으로 하는 고분자 전해질 형성용 조성물.<화학식 2>
- 제 1항에 있어서, 상기 방향족 화합물이 하기 화학식 3의 화합물인 것을 특징으로 하는 고분자 전해질 형성용 조성물.<화학식 3>
- 제 1항에 있어서, 상기 방향족 화합물이 하기 화학식 4의 화합물인 것을 특징으로 하는 고분자 전해질 형성용 조성물.<화학식 4>
- 제 1항에 있어서, 상기 유기용매가 에틸렌카보네이트(ethylene carbonate), 프로필렌카보네이트 (propylene carbonate), 디메틸카보네이트 (dimethylcarbonate), 디에틸카보네이트 (diethylcarbonate), 에틸메틸카보네이트 (ethylmethylcarbonate), 테트라하이드로퓨란(tetrahydrofuran), 설포란(sulforan)및 2-메틸하이드로퓨란(2-methylhydrofuran) 중에서 선택된 하나 또는 둘 이상의 혼합물인 것을 특징으로 하는 리튬 2차 전지용 고분자 전해질 형성용 조성물.
- 제 1항에 있어서, 상기 리튬염은 LiPF6,LiClO4, LiAsF6, LiBF4, LiCF3SO3, LiN(CF3SO2)2, LiSCN, LiC(CF3SO2)3중에서 선택된 하나 이상의 화합물인 것을 특징으로 하며, 상기 리튬염의 함량이 0.4M 내지 1.5M인 것을 특징으로 하는 리튬 2차 전지용 고분자 전해질 형성용 조성물.
- 제 1항에 있어서, 폴리에틸렌글리콜 디아크릴레이트(PEGDA) 또는 폴리에틸렌글리콜 디메타크릴레이트(PEGDMA) 중 하나 이상을 더 포함하는 것을 특징으로 하는 고분자 전해질 형성용 조성물.
- 제 8항에 있어서, 상기 폴리에틸렌글리콜 디아크릴레이트 (PEGDA), 폴리에틸렌글리콜 디메타크릴레이트(PEGDMA) 또는 이들의 혼합물의 첨가량은 전체 고분자 전해질 형성용 조성물에 대하여 0.1 중량%∼10중량%인 것을 특징으로 하는 고분자 전해질 형성용 조성물.
- 제 8항에 있어서, 상기 폴리에틸렌글리콜 디아크릴레이트는 분자량 200 내지 10000의 올리고머(EGDA)이며, 올리고머 내의 에틸렌 옥사이드의 수가 3 내지 14인 것을 특징으로 하는 고분자 전해질 형성용 조성물.
- 제 8항에 있어서, 상기 폴리에틸렌글리콜 디메타크릴레이트(PEGDMA)는 분자량 200 내지 10000의 올리고머(EGDMA)이며, 올리고머 내의 에틸렌 옥사이드의 수가 3 내지 14인 것을 특징으로 하는 고분자 전해질 형성용 조성물.
- 제 1항 내지 10항 중 어느 한 항에 의한 고분자 전해질 형성용 조성물을 채용하여 제조된 것을 특징으로 하는 리튬 2차 전지.
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KR10-2001-0073571A KR100428977B1 (ko) | 2001-11-24 | 2001-11-24 | 과충전 안전성이 우수한 고분자 전해질 형성용 조성물 및이를 채용한 리튬 전지 |
US10/277,679 US6849362B2 (en) | 2001-11-24 | 2002-10-23 | Polymer electrolyte composition for improving overcharge safety and lithium battery using the same |
CNB021528136A CN1280941C (zh) | 2001-11-24 | 2002-11-25 | 改善过度充电安全性的聚合物电解质组合物及锂电池 |
JP2002341488A JP4149241B2 (ja) | 2001-11-24 | 2002-11-25 | 過充電安全性の向上のための高分子電解質形成用組成物及びこれを利用したリチウム電池 |
US11/013,705 US7160648B2 (en) | 2001-11-24 | 2004-12-17 | Polymer electrolyte composition for improving overcharge safety and lithium battery using the same |
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-
2002
- 2002-10-23 US US10/277,679 patent/US6849362B2/en not_active Expired - Lifetime
- 2002-11-25 CN CNB021528136A patent/CN1280941C/zh not_active Expired - Lifetime
- 2002-11-25 JP JP2002341488A patent/JP4149241B2/ja not_active Expired - Lifetime
-
2004
- 2004-12-17 US US11/013,705 patent/US7160648B2/en not_active Expired - Lifetime
Cited By (4)
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KR100708213B1 (ko) | 2005-12-16 | 2007-04-16 | 테크노세미켐 주식회사 | 겔상 전해질 및 이를 이용하여 제조되는 겔상 전해질 전지 |
KR100708211B1 (ko) * | 2005-12-16 | 2007-04-16 | 테크노세미켐 주식회사 | 겔상 전해질 및 이를 이용하여 제조되는 겔상 전해질 전지 |
KR101007864B1 (ko) * | 2008-06-09 | 2011-01-14 | 연세대학교 산학협력단 | 신규한 티오펜 화합물, 티오펜 중합체, 전도성 고분자 박막및 이를 이용한 전도성 고분자 패턴형성방법 |
US8541119B2 (en) | 2009-12-14 | 2013-09-24 | Samsung Sdi Co., Ltd. | Lithium secondary battery and method of controlling short resistance thereof |
Also Published As
Publication number | Publication date |
---|---|
US6849362B2 (en) | 2005-02-01 |
KR100428977B1 (ko) | 2004-04-29 |
JP2003223932A (ja) | 2003-08-08 |
US20050158633A1 (en) | 2005-07-21 |
US20030152837A1 (en) | 2003-08-14 |
CN1280941C (zh) | 2006-10-18 |
CN1421953A (zh) | 2003-06-04 |
US7160648B2 (en) | 2007-01-09 |
JP4149241B2 (ja) | 2008-09-10 |
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