KR101621383B1 - 리튬 전지 - Google Patents
리튬 전지 Download PDFInfo
- Publication number
- KR101621383B1 KR101621383B1 KR1020090129132A KR20090129132A KR101621383B1 KR 101621383 B1 KR101621383 B1 KR 101621383B1 KR 1020090129132 A KR1020090129132 A KR 1020090129132A KR 20090129132 A KR20090129132 A KR 20090129132A KR 101621383 B1 KR101621383 B1 KR 101621383B1
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- KR
- South Korea
- Prior art keywords
- group
- och
- substituted
- lithium battery
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 67
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 150000001875 compounds Chemical class 0.000 claims abstract description 49
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 11
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 11
- 239000005486 organic electrolyte Substances 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000008151 electrolyte solution Substances 0.000 claims description 32
- 239000002904 solvent Substances 0.000 claims description 15
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 7
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 125000006701 (C1-C7) alkyl group Chemical group 0.000 claims description 2
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- 229910052789 astatine Inorganic materials 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000006182 cathode active material Substances 0.000 abstract description 21
- -1 ethylphenyl group Chemical group 0.000 description 31
- 239000000203 mixture Substances 0.000 description 19
- 238000007600 charging Methods 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 14
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 11
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- 239000011572 manganese Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
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- 239000011230 binding agent Substances 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 239000006258 conductive agent Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
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- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 3
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 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
- 125000004429 atom Chemical group 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
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- 229920003002 synthetic resin Polymers 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- OGNSDRMLWYNUED-UHFFFAOYSA-N 1-cyclohexyl-4-[4-[4-(4-cyclohexylcyclohexyl)cyclohexyl]cyclohexyl]cyclohexane Chemical group C1CCCCC1C1CCC(C2CCC(CC2)C2CCC(CC2)C2CCC(CC2)C2CCCCC2)CC1 OGNSDRMLWYNUED-UHFFFAOYSA-N 0.000 description 1
- MNZAKDODWSQONA-UHFFFAOYSA-N 1-dibutylphosphorylbutane Chemical compound CCCCP(=O)(CCCC)CCCC MNZAKDODWSQONA-UHFFFAOYSA-N 0.000 description 1
- 125000004180 3-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(F)=C1[H] 0.000 description 1
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
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- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
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- 125000003336 coronenyl group Chemical group C1(=CC2=CC=C3C=CC4=CC=C5C=CC6=CC=C1C1=C6C5=C4C3=C21)* 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
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- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- LMZLQYYLELWCCW-UHFFFAOYSA-N dimethoxy(phenyl)phosphane Chemical compound COP(OC)C1=CC=CC=C1 LMZLQYYLELWCCW-UHFFFAOYSA-N 0.000 description 1
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- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- JCRCPEDXAHDCAJ-UHFFFAOYSA-N ethoxy(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(OCC)C1=CC=CC=C1 JCRCPEDXAHDCAJ-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
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- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
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- 229940008015 lithium carbonate Drugs 0.000 description 1
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- 229940071125 manganese acetate Drugs 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
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- 229910052727 yttrium 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
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Abstract
Description
전지내부압력의 최대값 [bar] | |
실시예 19 | 1.8 |
실시예 20 | 1.4 |
실시예 21 | 1.4 |
실시예 23 | 1.0 |
실시예 24 | 1.2 |
실시예 25 | 1.4 |
실시예 26 | 1.3 |
비교예 3 | 3.0 |
참고예 1 | 0.7 |
첫사이클에서 방전용량[mAh] | 50번째사이클에서 용량 유지율[%] | |
실시예 10 | 631 | 60 |
실시예 11 | 649 | 65 |
실시예 12 | 641 | 64 |
실시예 14 | 639 | 67 |
실시예 15 | 633 | 67 |
실시예 16 | 647 | 67 |
실시예 17 | 647 | 65 |
비교예 2 | 660 | 14 |
Claims (11)
- 양극; 음극; 및 유기전해액을 포함하며,상기 양극이 충방전시에 산소를 방출하는 양극활물질을 포함하며,상기 유기전해액이 리튬염; 유기용매; 및 하기 화학식 1 및 화학식 2로 표시되는 화합물로 이루어진 군에서 선택된 하나 이상을 포함하는 리튬전지:<화학식 1>P(R1)a(OR2)b<화학식 2>O=P(R1)a(OR2)b상기 식들에서,R1이 서로 독립적으로 치환 또는 비치환된 C1-C20의 알킬기; 또는 치환 또는 비치환된 C6-C30의 아릴기이며;R2가 서로 독립적으로 치환 또는 비치환된 C1-C20의 알킬기; 또는 치환 또는 비치환된 C6-C30의 아릴기이며;a 및 b는 서로 독립적으로 0 내지 3이며; a+b=3이며,a가 2 이상이면 복수의 R1은 서로 다를 수 있으며, b가 2 이상이면 복수의 R2는 서로 다를 수 있있으며,상기 치환된 C1-C20의 알킬기 또는 치환된 C6-C30의 아릴기의 치환기가 서로 독립적으로 니트로기, 아미노기, 히드록시기, 할로겐기, 시아노기, 카르복실기, C1-C20의 알킬기, 및 C1-C20의 알콕시기로 이루어진 군에서 선택되는 하나 이상이며,상기 양극활물질이 xLiMo2·(1-x)Li2M'O3 (0≤x<1, M은 Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, Mo 및 B로 이루어진 군에서 선택된 하나 이상이며 평균산화수가 +3인 금속, M'은 Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, Mo 및 B로 이루어진 군에서 선택된 하나 이상이며 평균산화수가 +4인 금속) 및 Li2MO2 (M은 Ni, Co, Fe, Cu, Ti, V로 이루어진 군에서 선택된 하나 이상의 금속) 으로 이루어진 군에서 선택된 하나 이상의 화합물을 포함한다.
- 제 1 항에 있어서, 상기 화학식 1 및 화학식 2의 화합물에서 R1이 치환 또는 비치환된 C6-C13의 아릴기이며, R2가 치환 또는 비치환된 C1-C7의 알킬기인 리튬전지.
- 제 1 항에 있어서, 상기 화학식 1의 화합물이 P(C6H5)3, P(C6H5)2(C6H4-p-CH3), P(CH2CH2CH2CH3)3, P(OCH3)3, P(OCH2CH3)3, P(C6H5)2(OCH2CH3), P(C6H5)(OCH3)2, P(OCH2CH2CH2CH3)3, 및 P(CH2CH3)3로 이루어진 군에서 선택된 하나 이상의 화합물인 리튬전지.
- 제 1 항에 있어서, 상기 화학식 2의 화합물이 O=P(C6H5)3, O=P(C6H5)2(C6H4-p-CH3), O=P(CH2CH2CH2CH3)3, O=P(OCH3)3, O=P(OCH2CH3)3, O=P(C6H5)2(OCH2CH3), O=P(C6H5)(OCH3)2, O=P(OCH2CH2CH2CH3)3, 및 O=P(CH2CH3)3로 이루어진 군에서 선택된 하나 이상의 화합물인 리튬전지.
- 제 1 항에 있어서, 상기 화학식 1 및 화학식 2로 표시되는 화합물로 이루어진 군에서 선택된 하나 이상의 함량이 유기전해액 총 중량의 0.5 내지 10중량%인 리튬전지.
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 xLiMo2·(1-x)Li2M'O3 및 Li2MO2 로 이루어진 군에서 선택된 하나 이상의 화합물에서 리튬의 일부가 알칼리금속으로 치환된 리튬전지.
- 제 1 항에 있어서, 상기 xLiMo2·(1-x)Li2M'O3 및 Li2MO2 로 이루어진 군에서 선택된 하나 이상의 화합물에서 산소의 일부가 할로겐으로 치환된 리튬전지.
- 제 1 항에 있어서, 상기 유기전해액에 포함된 리튬염의 농도가 0.5 내지 2M인 리튬전지.
- 제 1 항에 있어서, 상기 유기전해액에 포함된 유기용매가 고유전율 용매와 전비점 용매를 포함하는 리튬전지.
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CN102683747A (zh) * | 2012-05-07 | 2012-09-19 | 上海交通大学 | 二次锂硫电池阻燃性电解液及其制备方法 |
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CN103928707A (zh) * | 2014-05-07 | 2014-07-16 | 华南师范大学 | 一种高电压锂离子电池功能电解液及制备方法与应用 |
KR20150145980A (ko) | 2014-06-20 | 2015-12-31 | 전자부품연구원 | 니켈 과량계 양극 소재용 비닐-설폰계 전해질 및 그를 포함하는 리튬이차전지 |
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