KR20040043414A - 리튬 안정성이 향상된 폴리알킬렌 옥시드계 고분자 전해질조성물 - Google Patents
리튬 안정성이 향상된 폴리알킬렌 옥시드계 고분자 전해질조성물 Download PDFInfo
- Publication number
- KR20040043414A KR20040043414A KR1020020071663A KR20020071663A KR20040043414A KR 20040043414 A KR20040043414 A KR 20040043414A KR 1020020071663 A KR1020020071663 A KR 1020020071663A KR 20020071663 A KR20020071663 A KR 20020071663A KR 20040043414 A KR20040043414 A KR 20040043414A
- Authority
- KR
- South Korea
- Prior art keywords
- lithium
- formula
- integer
- alkyl group
- electrolyte
- Prior art date
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 78
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000000203 mixture Substances 0.000 title claims abstract description 33
- 239000005518 polymer electrolyte Substances 0.000 title claims abstract description 29
- 229920000233 poly(alkylene oxides) Polymers 0.000 title claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 37
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 16
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 14
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 14
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 14
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 239000002798 polar solvent Substances 0.000 claims abstract description 6
- 125000001188 haloalkyl group Chemical group 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 125000000524 functional group Chemical group 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 37
- 239000002202 Polyethylene glycol Substances 0.000 description 12
- 229920001223 polyethylene glycol Polymers 0.000 description 12
- -1 glycol acrylates Chemical class 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 210000001787 dendrite Anatomy 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920001451 polypropylene glycol Polymers 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- SESFRYSPDFLNCH-UHFFFAOYSA-N benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- 229910001947 lithium oxide Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- GDXHBFHOEYVPED-UHFFFAOYSA-N 1-(2-butoxyethoxy)butane Chemical compound CCCCOCCOCCCC GDXHBFHOEYVPED-UHFFFAOYSA-N 0.000 description 1
- YNSNJGRCQCDRDM-UHFFFAOYSA-N 1-chlorothioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2Cl YNSNJGRCQCDRDM-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 description 1
- CERJZAHSUZVMCH-UHFFFAOYSA-N 2,2-dichloro-1-phenylethanone Chemical compound ClC(Cl)C(=O)C1=CC=CC=C1 CERJZAHSUZVMCH-UHFFFAOYSA-N 0.000 description 1
- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-UHFFFAOYSA-N 0.000 description 1
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 1
- FPKCTSIVDAWGFA-UHFFFAOYSA-N 2-chloroanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC=C3C(=O)C2=C1 FPKCTSIVDAWGFA-UHFFFAOYSA-N 0.000 description 1
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 1
- SPWXXNSKCOGDRY-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylpropan-1-one Chemical compound C=1C=CC=CC=1C(C)(OCC)C(=O)C1=CC=CC=C1 SPWXXNSKCOGDRY-UHFFFAOYSA-N 0.000 description 1
- SJEBAWHUJDUKQK-UHFFFAOYSA-N 2-ethylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3C(=O)C2=C1 SJEBAWHUJDUKQK-UHFFFAOYSA-N 0.000 description 1
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 1
- NACPTFCBIGBTSJ-UHFFFAOYSA-N 2-hydroxy-2-phenyl-1-(2-propan-2-ylphenyl)ethanone Chemical compound CC(C)C1=CC=CC=C1C(=O)C(O)C1=CC=CC=C1 NACPTFCBIGBTSJ-UHFFFAOYSA-N 0.000 description 1
- RIWRBSMFKVOJMN-UHFFFAOYSA-N 2-methyl-1-phenylpropan-2-ol Chemical compound CC(C)(O)CC1=CC=CC=C1 RIWRBSMFKVOJMN-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- AXYQEGMSGMXGGK-UHFFFAOYSA-N 2-phenoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(=O)C(C=1C=CC=CC=1)OC1=CC=CC=C1 AXYQEGMSGMXGGK-UHFFFAOYSA-N 0.000 description 1
- UGVRJVHOJNYEHR-UHFFFAOYSA-N 4-chlorobenzophenone Chemical compound C1=CC(Cl)=CC=C1C(=O)C1=CC=CC=C1 UGVRJVHOJNYEHR-UHFFFAOYSA-N 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
- 229920002799 BoPET Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- CHIHQLCVLOXUJW-UHFFFAOYSA-N benzoic anhydride Chemical compound C=1C=CC=CC=1C(=O)OC(=O)C1=CC=CC=C1 CHIHQLCVLOXUJW-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 229940024874 benzophenone Drugs 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 229960002903 benzyl benzoate Drugs 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- ASQQEOXYFGEFKQ-UHFFFAOYSA-N dioxirane Chemical compound C1OO1 ASQQEOXYFGEFKQ-UHFFFAOYSA-N 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
표면 안정제 구조 | 충방전 효율(%) | |||
10회 | 30회 | 50회 | ||
n=3 | 78.4 | 84.6 | 82.9 | |
n=7.2 | 80.8 | 85.2 | 83.4 | |
n=16.3 | 77.2 | 80.5 | 81.2 | |
n=3 | 83.9 | 88.2 | 86.8 | |
n=7.2 | 85.2 | 88.6 | 87.2 | |
n=8, m=6 | 82.5 | 85.3 | 85.1 | |
n=8, m=15 | 83.0 | 85.6 | 85.3 | |
n=8, m=23 | 77.2 | 75.8 | 72.2 | |
n=3 | 89.2 | 90.9 | 87.3 | |
n=16.3 | 91.0 | 92.3 | 92.5 | |
n=3 | 93.5 | 95.8 | 95.2 | |
n=7.2 | 94.5 | 96.4 | 95.2 | |
n=3 | 93.2 | 94.5 | 94.0 | |
n=7.2 | 93.8 | 95.2 | 94.3 |
표면 안정제 구조 | 리튬 충방전 효율(%) | |||
10회 | 30회 | 50회 | ||
n=3 | 89.0 | 90.6 | 86.8 | |
n=7.2 | 88.6 | 90.4 | 89.2 | |
n=16.3 | 85.5 | 87.6 | 85.2 | |
n=3 | 90.0 | 90.5 | 89.2 | |
n=7.2 | 89.1 | 90.4 | 91.2 | |
n=3 | 91.2 | 92.3 | 90.5 | |
n=7.2 | 90.7 | 91.8 | 91.5 | |
BTC | n=3 | 89.6 | 91.3 | 89.9 |
n=7.2 | 91.2 | 92.5 | 92.2 | |
n=16.3 | 88.2 | 89.5 | 88.0 | |
n=3 | 92.5 | 94.0 | 93.8 | |
n=7.2 | 93.2 | 95.0 | 95.1 | |
n=3 | 93.0 | 95.1 | 94.7 | |
n=7.2 | 92.8 | 95.5 | 94.8 |
Claims (3)
- i) 리튬염 3 ∼ 30 중량%;ⅱ) 다음 화학식 1로 표시되는 가교제 0.1 ∼ 80 중량%;ⅲ) 다음 화학식 2 및 화학식 3으로 표시되는 화합물 중에서 선택된 단독 또는 2종 이상의 리튬 표면 안정제 0.01 ∼ 20 중량%;ⅳ) 비수용액계 극성 용매 중에서 선택된 단독 또는 2종 이상의 가소제 0.1 ∼ 90 중량%; 및ⅴ) 경화형 개시제 0.5 ∼ 5 중량%를 포함하는 것을 특징으로 하는 폴리알킬렌 옥시드계 고분자 전해질 조성물 :[화학식 1]상기 화학식 1에서 : X는,,,또는를 나타내며, 이때 X1및 X2은 각각 탄소수 1 ∼ 10의 사슬형 또는 분지형 알킬기 또는 할로겐원자로 치환된 할로알킬기를 나타내고; R은 탄소수 1 ∼ 10의 사슬형 또는 분지형 알킬기를 나타내며; R1, R2, R3, R4, R5, R6및 R7은 각각 수소원자 또는 메틸기를 나타내며; R8은 각각 탄소수 1 ∼ 10의 사슬형 또는 분지형 알킬기를 나타내고; j는2 또는 3의 정수이고; 그리고 p, q 및 r은 각각 0 ∼ 20의 정수이다;[화학식 2]CiF2i+1CjH2j-Q1-(CH2CH2O)k-CjH2j-Q2-R9상기 화학식 2에서, Q1및 Q2는 연결 작용기로 각각 -O- , -OC(O)O-, -OC(O)- 또는 -C(O)O- 이며, R9은 수소원자, 탄소수 1 ∼ 20의 사슬형 또는 분지형 과불소화된 알킬기이며, i 및 k는 각각 1 ∼ 20의 정수이며, j는 0 ∼ 5의 정수이다;[화학식 3]상기 화학식 3에서, D는 방향족 또는 실록산계 중심원자로,,,,,,,,,,,및중에서 선택되고; W는,,및중에서 선택되며; R1은 수소원자 또는 메틸기이며; Z는이며; Y는 중심 분자와 곁가지를 연결하는 기로서,,,,및중에서 선택되며, 이때 j와 k는 각각 0 또는 1 내지 4의 자연수이며; R은이며, 이때 n과 m은 각각 0 또는 1 내지 30의 자연수이고; R2는 수소원자 또는 메틸기 중에서 선택되고; ℓ은 1 내지 8의 자연수이다.
- 제 1 항에 있어서, 상기 화학식 1로 표시되는 가교제는 X가또는(이때, X1및 X2은 각각 탄소수 1 ∼ 10의 사슬형 또는 분지형 알킬기 또는 할로겐원자로 치환된 할로알킬기)인 것임을 특징으로 하는 폴리알킬렌 옥시드계 고분자 전해질 조성물.
- 제 1 항에 있어서, 상기 표면 안정제가 다음에서 선택된 것임을 특징으로 하는 인 것임을 특징으로 하는 폴리알킬렌 옥시드계 고분자 전해질 조성물 :,,,,,,,,,,또는이고, 이때 n은 1 내지 20의 정수이고, m은 1 내지 30의 정수이다.
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KR100746347B1 (ko) * | 2006-01-25 | 2007-08-03 | 한국과학기술원 | 다공성 매트릭스를 포함하는 고체 고분자 전해질 및 이를 이용한 리튬-고분자 이차전지 |
KR20180023547A (ko) | 2016-08-26 | 2018-03-07 | 주식회사 엘지화학 | 리튬 전극의 제조방법 및 이로부터 제조된 리튬 전극 |
US10633492B2 (en) | 2015-12-17 | 2020-04-28 | Lg Chem, Ltd. | Lithium secondary battery anode and lithium secondary battery including same |
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KR100746347B1 (ko) * | 2006-01-25 | 2007-08-03 | 한국과학기술원 | 다공성 매트릭스를 포함하는 고체 고분자 전해질 및 이를 이용한 리튬-고분자 이차전지 |
US10633492B2 (en) | 2015-12-17 | 2020-04-28 | Lg Chem, Ltd. | Lithium secondary battery anode and lithium secondary battery including same |
KR20180023547A (ko) | 2016-08-26 | 2018-03-07 | 주식회사 엘지화학 | 리튬 전극의 제조방법 및 이로부터 제조된 리튬 전극 |
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