KR20090120962A - 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 - Google Patents
리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 Download PDFInfo
- Publication number
- KR20090120962A KR20090120962A KR1020080047027A KR20080047027A KR20090120962A KR 20090120962 A KR20090120962 A KR 20090120962A KR 1020080047027 A KR1020080047027 A KR 1020080047027A KR 20080047027 A KR20080047027 A KR 20080047027A KR 20090120962 A KR20090120962 A KR 20090120962A
- Authority
- KR
- South Korea
- Prior art keywords
- carbonate
- secondary battery
- ion secondary
- lithium ion
- electrolyte
- Prior art date
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 42
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000011356 non-aqueous organic solvent Substances 0.000 claims abstract description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 10
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 10
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 8
- 150000002576 ketones Chemical class 0.000 claims abstract description 7
- 150000002148 esters Chemical class 0.000 claims abstract description 6
- 239000008151 electrolyte solution Substances 0.000 claims description 26
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 claims description 25
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 21
- PQIOSYKVBBWRRI-UHFFFAOYSA-N methylphosphonyl difluoride Chemical group CP(F)(F)=O PQIOSYKVBBWRRI-UHFFFAOYSA-N 0.000 claims description 21
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 239000007773 negative electrode material Substances 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 7
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 6
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 claims description 6
- -1 LiCF 3 SO 3 Inorganic materials 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 6
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 5
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 5
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 claims description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-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
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-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
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 3
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 3
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 3
- 229910010090 LiAlO 4 Inorganic materials 0.000 claims description 3
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 3
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 3
- 229910013372 LiC 4 Inorganic materials 0.000 claims description 3
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
- 229910013131 LiN Inorganic materials 0.000 claims description 3
- 229910012513 LiSbF 6 Inorganic materials 0.000 claims description 3
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims description 3
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical group COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 claims description 3
- KXKVLQRXCPHEJC-UHFFFAOYSA-N methyl acetate Chemical group COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 3
- 229940017219 methyl propionate Drugs 0.000 claims description 3
- 239000008239 natural water Substances 0.000 claims description 3
- GHZRKQCHJFHJPX-UHFFFAOYSA-N oxacycloundecan-2-one Chemical compound O=C1CCCCCCCCCO1 GHZRKQCHJFHJPX-UHFFFAOYSA-N 0.000 claims description 3
- 229920005735 poly(methyl vinyl ketone) Polymers 0.000 claims description 3
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- PPMCFKAXXHZLMX-UHFFFAOYSA-N 1,3-dioxocan-2-one Chemical compound O=C1OCCCCCO1 PPMCFKAXXHZLMX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000654 additive Substances 0.000 abstract description 12
- 230000014759 maintenance of location Effects 0.000 abstract description 10
- 230000000996 additive effect Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- ZQCQTPBVJCWETB-UHFFFAOYSA-N 4-fluoro-1,3-dioxol-2-one Chemical compound FC1=COC(=O)O1 ZQCQTPBVJCWETB-UHFFFAOYSA-N 0.000 abstract 2
- KWWDVIIKMNQADG-UHFFFAOYSA-N boric acid;difluoro oxalate Chemical compound OB(O)O.FOC(=O)C(=O)OF KWWDVIIKMNQADG-UHFFFAOYSA-N 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
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- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002931 mesocarbon microbead Substances 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000011149 active material 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
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 150000005678 chain carbonates Chemical class 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000005676 cyclic carbonates Chemical class 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- 238000004321 preservation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
- JYVXNLLUYHCIIH-UHFFFAOYSA-N (+/-)-mevalonolactone Natural products CC1(O)CCOC(=O)C1 JYVXNLLUYHCIIH-UHFFFAOYSA-N 0.000 description 1
- IHCCLXNEEPMSIO-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 IHCCLXNEEPMSIO-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910012424 LiSO 3 Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
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- JYVXNLLUYHCIIH-ZCFIWIBFSA-N R-mevalonolactone, (-)- Chemical compound C[C@@]1(O)CCOC(=O)C1 JYVXNLLUYHCIIH-ZCFIWIBFSA-N 0.000 description 1
- GIHPIZYAGJBMCU-UHFFFAOYSA-N [F].C1(OCCO1)=O Chemical compound [F].C1(OCCO1)=O GIHPIZYAGJBMCU-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 229910052726 zirconium Inorganic materials 0.000 description 1
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
-
- 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
- H01M10/0567—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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
-
- 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
- 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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- Chemical & Material Sciences (AREA)
- 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)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
DFOB (중량부) | FEC (중량부) | 300회째 충방전사이클후 용량 유지율(%) | 60℃에서 30일 방치후 용량 보존율(%) | |
실시예 1 | 0.5 | 3 | 83 | 81 |
실시예 2 | 1 | 3 | 88 | 83 |
실시예 3 | 1 | 5 | 91 | 80 |
실시예 4 | 3 | 5 | 86 | 75 |
실시예 5 | 0.5 | 10 | 86 | 75 |
비교예 1 | 3 | 0 | 74 | 53 |
비교예 2 | 0 | 3 | 77 | 64 |
비교예 3 | 0.5 | 15 | 86 | 50 |
Claims (10)
- 제1항에 있어서,상기 화학식 1의 디플루오르 옥살레이토 보레이트가 총 전해액 100중량부에 대하여 0.5 내지 5중량부로 함유되는 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제1항에 있어서,상기 플루오르 에틸렌 카보네이트가 총 전해액 100중량부에 대하여 2 내지 10중량부로 함유되는 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제1항에 있어서,상기 비수성 유기용매가 카보네이트, 에스테르, 에테르 및 케톤으로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제4항에 있어서,상기 카보네이트가 디메틸 카보네이트, 디에틸 카보네이트, 디프로필 카보네이트, 메틸프로필 카보네이트, 에틸프로필 카보네이트, 에틸메틸 카보네이트, 에틸렌 카보네이트, 프로필렌 카보네이트, 부틸렌 카보네이트 및 펜틸렌 카보네이트로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제4항에 있어서,상기 에스테르가 n-메틸 아세테이트, n-에틸 아세테이트, n-프로필 아세테이트, 디메틸 아세테이트, 메틸프로피오네이트, 에틸프로피오네이트, γ-부티로락톤, 데카놀라이드(decanolide), 발레로락톤, 메발로노락톤(mevalonolactone) 및 카프로락톤(caprolactone)으로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제4항에 있어서,상기 에테르가 디부틸 에테르, 테트라글라임, 디글라임, 디메톡시에탄, 2-메틸 테트라히드로퓨란 및 테트라히드로퓨란으로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제4항에 있어서,상기 케톤이 시클로헥사논 및 폴리메틸비닐 케톤으로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 제1항에 있어서,상기 리튬염이 LiPF6, LiBF4, LiSbF6, LiAsF6, LiClO4, LiCF3SO3, LiC4F9SO3, LiAlO4, LiAlCl4, LiN(CpF2p +1SO2)(CqF2q +1SO2)(여기서, p 및 q는 자연수임), LiCl 및 LiI 로 이루어진 군으로부터 선택된 단독 또는 이들의 혼합물인 것을 특징으로 하는 리튬이온 이차전지용 전해액.
- 리튬을 가역적으로 삽입 및 탈리할 수 있는 양극 활물질을 포함하는 양극 ;리튬을 가역적으로 삽입 및 탈리할 수 있는 음극 활물질을 포함하는 음극 ; 및제1항 내지 제9항 중 어느 한 항의 전해액을 포함하는 것을 특징으로 하는 리튬이온 이차 전지.
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KR1020080047027A KR100988657B1 (ko) | 2008-05-21 | 2008-05-21 | 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 |
US12/256,781 US7592102B1 (en) | 2008-05-21 | 2008-10-23 | Electrolyte for lithium ion secondary battery and lithium ion secondary battery comprising the same |
US12/540,529 US7879499B2 (en) | 2008-05-21 | 2009-08-13 | Electrolyte for lithium ion secondary battery and lithium ion secondary battery comprising the same |
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Cited By (3)
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WO2013191476A1 (ko) * | 2012-06-19 | 2013-12-27 | 에스케이이노베이션 주식회사 | 첨가제를 포함하는 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
KR20150029569A (ko) * | 2013-09-10 | 2015-03-18 | 주식회사 엘지화학 | 비수계 전해액 및 이를 포함하는 리튬 이차전지 |
KR20160024413A (ko) * | 2014-08-25 | 2016-03-07 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질, 및 이를 포함하는 리튬 전지 |
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KR100988657B1 (ko) * | 2008-05-21 | 2010-10-18 | 삼성에스디아이 주식회사 | 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 |
US9099756B2 (en) * | 2009-02-17 | 2015-08-04 | Samsung Sdi Co., Ltd. | Flame retardant electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same |
US8399138B2 (en) * | 2009-10-14 | 2013-03-19 | GM Global Technology Operations LLC | Liquid rechargeable lithium ion battery |
WO2012056846A1 (ja) * | 2010-10-27 | 2012-05-03 | 東レフィルム加工株式会社 | 二次電池およびその製造方法ならびに二次電池用熱接着性絶縁フィルム |
JP6213468B2 (ja) * | 2012-06-29 | 2017-10-18 | 三菱ケミカル株式会社 | 非水系電解液及びそれを用いた非水系電解液電池 |
KR20150051541A (ko) * | 2013-11-04 | 2015-05-13 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
US9698447B2 (en) * | 2013-11-18 | 2017-07-04 | Basf Corporation | Use of lithium bis(fluorosulfonyl) imide (LiFSI) in non-aqueous electrolyte solutions for use with 4.2v and higher cathode materials for lithium ion batteries |
FR3023069B1 (fr) * | 2014-06-27 | 2021-07-30 | Renault Sas | Electrolyte pour batterie lithium-ion comprenant une cathode riche en lithium et une anode a base de graphite |
KR102664549B1 (ko) | 2017-05-19 | 2024-05-09 | 시온 파워 코퍼레이션 | 전기화학 전지용 부동태화제 |
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JP7378033B2 (ja) * | 2019-01-31 | 2023-11-13 | パナソニックIpマネジメント株式会社 | リチウム金属二次電池 |
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KR100709206B1 (ko) * | 2003-10-31 | 2007-04-19 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 전해액 및 이를 포함하는 리튬 이차 전지 |
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TWI341603B (en) * | 2006-02-15 | 2011-05-01 | Lg Chemical Ltd | Non-aqueous electrolyte and electrochemical device with an improved safety |
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KR100988657B1 (ko) * | 2008-05-21 | 2010-10-18 | 삼성에스디아이 주식회사 | 리튬이온 이차전지용 전해액 및 이를 포함하는 리튬이온이차전지 |
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2008
- 2008-05-21 KR KR1020080047027A patent/KR100988657B1/ko active IP Right Grant
- 2008-10-23 US US12/256,781 patent/US7592102B1/en not_active Expired - Fee Related
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2009
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013191476A1 (ko) * | 2012-06-19 | 2013-12-27 | 에스케이이노베이션 주식회사 | 첨가제를 포함하는 리튬 이차 전지용 전해질 및 이를 포함하는 리튬 이차 전지 |
KR20150029569A (ko) * | 2013-09-10 | 2015-03-18 | 주식회사 엘지화학 | 비수계 전해액 및 이를 포함하는 리튬 이차전지 |
WO2015037852A1 (ko) * | 2013-09-10 | 2015-03-19 | 주식회사 엘지화학 | 비수계 전해액 및 이를 포함하는 리튬 이차전지 |
US10090559B2 (en) | 2013-09-10 | 2018-10-02 | Lg Chem, Ltd. | Non-aqueous electrolyte and lithium secondary battery including the same |
KR20160024413A (ko) * | 2014-08-25 | 2016-03-07 | 삼성에스디아이 주식회사 | 리튬 전지용 전해질, 및 이를 포함하는 리튬 전지 |
Also Published As
Publication number | Publication date |
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US20090305145A1 (en) | 2009-12-10 |
US7592102B1 (en) | 2009-09-22 |
US7879499B2 (en) | 2011-02-01 |
KR100988657B1 (ko) | 2010-10-18 |
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