JP2012146397A - リチウム二次電池 - Google Patents
リチウム二次電池 Download PDFInfo
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- JP2012146397A JP2012146397A JP2011001571A JP2011001571A JP2012146397A JP 2012146397 A JP2012146397 A JP 2012146397A JP 2011001571 A JP2011001571 A JP 2011001571A JP 2011001571 A JP2011001571 A JP 2011001571A JP 2012146397 A JP2012146397 A JP 2012146397A
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- battery
- polymerizable
- polymer
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 58
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 125000000524 functional group Chemical group 0.000 claims abstract description 137
- 229920000642 polymer Polymers 0.000 claims abstract description 79
- 150000001875 compounds Chemical class 0.000 claims abstract description 53
- 125000003118 aryl group Chemical group 0.000 claims abstract description 37
- 239000003792 electrolyte Substances 0.000 claims abstract description 30
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims description 37
- 229910052783 alkali metal Inorganic materials 0.000 claims description 15
- 150000001340 alkali metals Chemical class 0.000 claims description 15
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 15
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910052727 yttrium Inorganic materials 0.000 claims description 12
- 239000003505 polymerization initiator Substances 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- 239000003223 protective agent Substances 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 10
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 4
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- 239000008151 electrolyte solution Substances 0.000 description 24
- -1 sulfonate compound Chemical class 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 15
- 150000002430 hydrocarbons Chemical group 0.000 description 12
- 239000007774 positive electrode material Substances 0.000 description 11
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 9
- 238000006116 polymerization reaction Methods 0.000 description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000012212 insulator Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 5
- 239000011255 nonaqueous electrolyte Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
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- 239000002002 slurry Substances 0.000 description 4
- 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 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 125000000962 organic group Chemical group 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 239000007870 radical polymerization initiator Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000003115 supporting electrolyte Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 2
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 2
- DAVVKEZTUOGEAK-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethyl 2-methylprop-2-enoate Chemical compound COCCOCCOC(=O)C(C)=C DAVVKEZTUOGEAK-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 125000005577 anthracene group Chemical group 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- LWMFAFLIWMPZSX-UHFFFAOYSA-N bis[2-(4,5-dihydro-1h-imidazol-2-yl)propan-2-yl]diazene Chemical compound N=1CCNC=1C(C)(C)N=NC(C)(C)C1=NCCN1 LWMFAFLIWMPZSX-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- 125000005579 tetracene group Chemical group 0.000 description 2
- MYOQALXKVOJACM-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy pentaneperoxoate Chemical compound CCCCC(=O)OOOC(C)(C)C MYOQALXKVOJACM-UHFFFAOYSA-N 0.000 description 1
- NALFRYPTRXKZPN-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane Chemical compound CC1CC(C)(C)CC(OOC(C)(C)C)(OOC(C)(C)C)C1 NALFRYPTRXKZPN-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- UICXTANXZJJIBC-UHFFFAOYSA-N 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol Chemical compound C1CCCCC1(O)OOC1(OO)CCCCC1 UICXTANXZJJIBC-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- SZVMZLJAAGWNPG-UHFFFAOYSA-N 1-tert-butylperoxyoctane Chemical compound CCCCCCCCOOC(C)(C)C SZVMZLJAAGWNPG-UHFFFAOYSA-N 0.000 description 1
- VBZBISQOWJYWCC-UHFFFAOYSA-N 2-(2-carboxypropan-2-yldiazenyl)-2-methylpropanoic acid Chemical compound OC(=O)C(C)(C)N=NC(C)(C)C(O)=O VBZBISQOWJYWCC-UHFFFAOYSA-N 0.000 description 1
- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- LDQYWNUWKVADJV-UHFFFAOYSA-N 2-[(1-amino-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanamide;dihydrate Chemical compound O.O.NC(=O)C(C)(C)N=NC(C)(C)C(N)=O LDQYWNUWKVADJV-UHFFFAOYSA-N 0.000 description 1
- VUDVPVOIALASLB-UHFFFAOYSA-N 2-[(2-cyano-1-hydroxypropan-2-yl)diazenyl]-3-hydroxy-2-methylpropanenitrile Chemical compound OCC(C)(C#N)N=NC(C)(CO)C#N VUDVPVOIALASLB-UHFFFAOYSA-N 0.000 description 1
- PFHOSZAOXCYAGJ-UHFFFAOYSA-N 2-[(2-cyano-4-methoxy-4-methylpentan-2-yl)diazenyl]-4-methoxy-2,4-dimethylpentanenitrile Chemical compound COC(C)(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)(C)OC PFHOSZAOXCYAGJ-UHFFFAOYSA-N 0.000 description 1
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- FLKBKUFGKQPPRY-UHFFFAOYSA-N 2-[2-[2-[2-[1-(2-hydroxyethyl)-4,5-dihydroimidazol-2-yl]propan-2-yldiazenyl]propan-2-yl]-4,5-dihydroimidazol-1-yl]ethanol;dihydrochloride Chemical compound Cl.Cl.N=1CCN(CCO)C=1C(C)(C)N=NC(C)(C)C1=NCCN1CCO FLKBKUFGKQPPRY-UHFFFAOYSA-N 0.000 description 1
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- RTEZVHMDMFEURJ-UHFFFAOYSA-N 2-methylpentan-2-yl 2,2-dimethylpropaneperoxoate Chemical compound CCCC(C)(C)OOC(=O)C(C)(C)C RTEZVHMDMFEURJ-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
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- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- QTWDDFBFQBTYAN-UHFFFAOYSA-N 3-tert-butylperoxypropyl hydrogen carbonate Chemical compound CC(C)(C)OOCCCOC(O)=O QTWDDFBFQBTYAN-UHFFFAOYSA-N 0.000 description 1
- VFXXTYGQYWRHJP-UHFFFAOYSA-N 4,4'-azobis(4-cyanopentanoic acid) Chemical compound OC(=O)CCC(C)(C#N)N=NC(C)(CCC(O)=O)C#N VFXXTYGQYWRHJP-UHFFFAOYSA-N 0.000 description 1
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- UPMDGNZKQNJDKK-UHFFFAOYSA-N Cl.Cl.N(=NC(C(=N)NCC=C)(C)C)C(C(=N)NCC=C)(C)C.Cl.Cl.N(=NC(C(=N)NCC1=CC=CC=C1)(C)C)C(C(=N)NCC1=CC=CC=C1)(C)C Chemical compound Cl.Cl.N(=NC(C(=N)NCC=C)(C)C)C(C(=N)NCC=C)(C)C.Cl.Cl.N(=NC(C(=N)NCC1=CC=CC=C1)(C)C)C(C(=N)NCC1=CC=CC=C1)(C)C UPMDGNZKQNJDKK-UHFFFAOYSA-N 0.000 description 1
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- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 1
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 230000000996 additive effect Effects 0.000 description 1
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- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
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- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- BUSBFZWLPXDYIC-UHFFFAOYSA-N arsonic acid Chemical compound O[AsH](O)=O BUSBFZWLPXDYIC-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- WPKWPKDNOPEODE-UHFFFAOYSA-N bis(2,4,4-trimethylpentan-2-yl)diazene Chemical compound CC(C)(C)CC(C)(C)N=NC(C)(C)CC(C)(C)C WPKWPKDNOPEODE-UHFFFAOYSA-N 0.000 description 1
- PZXSLFQJOZPCJG-UHFFFAOYSA-N bis[2-(5-methyl-4,5-dihydro-1h-imidazol-2-yl)propan-2-yl]diazene;dihydrochloride Chemical compound Cl.Cl.N1C(C)CN=C1C(C)(C)N=NC(C)(C)C1=NCC(C)N1 PZXSLFQJOZPCJG-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- SKOLWUPSYHWYAM-UHFFFAOYSA-N carbonodithioic O,S-acid Chemical compound SC(S)=O SKOLWUPSYHWYAM-UHFFFAOYSA-N 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 125000005578 chrysene group Chemical group 0.000 description 1
- 239000011333 coal pitch coke Substances 0.000 description 1
- 238000013329 compounding Methods 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
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004956 cyclohexylene group Chemical group 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical compound OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- GKCPCPKXFGQXGS-UHFFFAOYSA-N ditert-butyldiazene Chemical compound CC(C)(C)N=NC(C)(C)C GKCPCPKXFGQXGS-UHFFFAOYSA-N 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- AEOCXXJPGCBFJA-UHFFFAOYSA-N ethionamide Chemical compound CCC1=CC(C(N)=S)=CC=N1 AEOCXXJPGCBFJA-UHFFFAOYSA-N 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- WREDNSAXDZCLCP-UHFFFAOYSA-N methanedithioic acid Chemical compound SC=S WREDNSAXDZCLCP-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- VXRNYQMFDGOGSI-UHFFFAOYSA-N n-(1,3-dihydroxy-2-methylpropan-2-yl)-2-[[1-[(1,3-dihydroxy-2-methylpropan-2-yl)amino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCC(C)(CO)NC(=O)C(C)(C)N=NC(C)(C)C(=O)NC(C)(CO)CO VXRNYQMFDGOGSI-UHFFFAOYSA-N 0.000 description 1
- WVFLGSMUPMVNTQ-UHFFFAOYSA-N n-(2-hydroxyethyl)-2-[[1-(2-hydroxyethylamino)-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCO WVFLGSMUPMVNTQ-UHFFFAOYSA-N 0.000 description 1
- BUGISVZCMXHOHO-UHFFFAOYSA-N n-[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]-2-[[1-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCC(CO)(CO)NC(=O)C(C)(C)N=NC(C)(C)C(=O)NC(CO)(CO)CO BUGISVZCMXHOHO-UHFFFAOYSA-N 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000005582 pentacene group Chemical group 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- JQQSUOJIMKJQHS-UHFFFAOYSA-N pentaphene Chemical group C1=CC=C2C=C3C4=CC5=CC=CC=C5C=C4C=CC3=CC2=C1 JQQSUOJIMKJQHS-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 125000001388 picenyl group Chemical group C1(=CC=CC2=CC=C3C4=CC=C5C=CC=CC5=C4C=CC3=C21)* 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000001955 polymer synthesis method Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000005581 pyrene group Chemical group 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 150000003958 selenols Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 1
- 150000003457 sulfones Chemical group 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 150000003566 thiocarboxylic acids Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical group C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 125000005580 triphenylene group Chemical group 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
【解決手段】電解質は、重合性化合物又は重合体を含み、重合性化合物は、芳香族官能基と重合性官能基とを有するもの、及び金属イオンと錯体を形成する錯体形成官能基と重合性官能基とを有するものを含み、重合体は、錯体形成官能基と芳香族官能基と重合性官能基の残基とを有する。
【選択図】図1
Description
前記リチウム二次電池において、電解質は、前記重合性化合物を重合した重合体を含む。
前記リチウム二次電池において、電解質は、下記化学式(5)及び(6)で表される重合性化合物を含む。
前記リチウム二次電池において、電解質は、上記化学式(1)又は(2)で表される重合性化合物、及び上記化学式(5)及び(6)で表される重合性化合物を共重合して得られる重合体を含む。
前記リチウム二次電池において、電解質は、下記化学式(9)で表される重合体を含む。
前記リチウム二次電池において、電解質は、下記化学式(10)で表される重合体を含む。
前記重合体は、上記化学式(9)で表される。
正極活物質、導電剤(SP270:日本黒鉛(株)製黒鉛)及びバインダー(ポリフッ化ビニリデンKF1120:(株)クレハ)を重量基準で85:10:10の割合で混合し、N−メチル−2−ピロリドンに投入混合して、スラリー状の溶液を作製した。このスラリーを厚さ20μmのアルミニウム箔にドクターブレード法で塗布し、乾燥した。その後、プレスし、10cm2の大きさに電極を裁断して正極を作製した。
グラファイトを重量基準で90:10の割合で混合し、N−メチル−2−ピロリドンに投入混合して、スラリー状の溶液を作製した。該スラリーを厚さ20μmの銅箔にドクターブレード法で塗布し、乾燥した。10cm2の大きさに電極を裁断して正極を作製した。
電解液は、電解質塩:LiPF6、溶媒:EC/DMC/EMC=1:1:1(体積比)、電解質塩濃度1mol/L、富山化学工業(株)製を用いた。
正極及び負極の間に、ポリオレフィン製のセパレータを挿入し、電極群を形成した。そこに、電解液を注液した。その後、電池をアルミ製ラミネートで封入し、電池を作製した。その後、充放電を3サイクル繰り返すことで電池を初期化した。
1.ラミネート電池の初期容量
電池の充電は、予め設定した上限電圧まで電流密度0.1mA/cm2で充電した。放電は、予め設定した下限電圧まで、電流密度0.1mA/cm2で放電した。上限電圧は4.2V、下限電圧は2.5Vであった。1サイクル目に得られた放電容量を、電池の初期容量とした。
作製したラミネート電池を4.2Vに充電して、その後、85℃の恒温槽に入れて、24時間保存した。24時間保存した後、電池を取り出し、電池を室温まで冷却し、発生したガスをシリンジで捕集した。
ラミネート電池と同じ材料を使用し角型電池を作製した。角型電池のサイズは、縦43mm、横34mm、厚さ4.6mmであった。作製した電池は、4.2Vに充電した後、85℃の恒温槽に入れて24時間保存した。そして、室温まで冷却したのち、電池の厚さを測定した。電池の厚さは、電池の中心点で測定し、加熱前後の電池の厚さを求めることにより、電池の膨れを規定した。
モノマーを反応容器に入れ、重合開始剤を加えた。重合開始剤は、AIBNを用いた。重合開始剤の濃度は、モノマーの総量に対して1wt%になるように加えた。その後、60℃に加熱したオイルバスに反応容器を入れ、3時間加熱することによりポリマーを合成した。加熱した後、反応溶媒を除去し、ポリマーを洗浄した後、乾燥した。
実施例1において重合体を加えない電解液を使用した以外は、実施例1と同様にラミネート電池を作製した。
実施例5において重合体を加えない電解液を使用した以外は、実施例5と同様にラミネート電池を作製した。
実施例6において重合体を加えない電解液を使用した以外は、実施例6と同様にラミネート電池を作製した。
実施例1における重合体Aの代わりに1、3−プロパンスルトンを電解液に1wt%加えること以外は、実施例1と同様にラミネート電池を作製した。
実施例1における重合体Aの濃度を0.009wt%にすること以外は、実施例1と同様に行い、ラミネート電池を作製した。
実施例1における重合体Aの濃度を6wt%にすること以外は、実施例1と同様に行い、ラミネート電池を作製した。ラミネート電池の初期容量は25mAhであった。その後、高温試験を行ったところ、ガス発生量は0.100mLであった。次に、角型電池を作製し、電池容量を計測した。容量は、670mAhであった。その後、ラミネート電池と同様に加熱試験を実施し、冷却後、電池容量及び電池の膨れを計測した。その結果、電池容量は540mAhであり、電池の膨れは1.35mmであった。
Claims (19)
- 正極と、負極と、電解質とを含むリチウム二次電池であって、前記電解質は、重合性化合物又は重合体を含み、前記重合性化合物は、芳香族官能基と重合性官能基とを有するもの、及び金属イオンと錯体を形成する錯体形成官能基と重合性官能基とを有するものを含み、前記重合体は、前記錯体形成官能基と前記芳香族官能基と前記重合性官能基の残基とを有するものであることを特徴とするリチウム二次電池。
- 前記重合性化合物は、さらに、極性の高い官能基を有する高極性官能基と重合性官能基とを有するものを含み、前記重合体は、さらに、前記高極性官能基を有するものであることを特徴とする請求項1記載のリチウム二次電池。
- 前記芳香族官能基は、前記錯体形成官能基を有することを特徴とする請求項1又は2に記載のリチウム二次電池。
- 前記重合性化合物又は前記重合体は、前記芳香族官能基と前記重合性官能基との間に炭素数1〜20の炭化水素基又はオキシアルキレン基を有することを特徴とする請求項1〜3のいずれか一項に記載のリチウム二次電池。
- 前記錯体形成官能基は、−OR、−SR、−COOR又は−SO3R(Rは、H、アルカリ金属、アルカリ土類金属又はアルキル基である。)で表されることを特徴とする請求項1〜4のいずれか一項に記載のリチウム二次電池。
- 角型の電池缶を用いたことを特徴とする請求項1〜10のいずれか一項に記載のリチウム二次電池。
- 請求項1〜10のいずれか一項に記載のリチウム二次電池に含まれる前記重合性化合物又は前記重合体を含むことを特徴とするリチウム二次電池用電解液。
- 請求項1〜13のいずれか一項に記載のリチウム二次電池に含まれる前記重合性化合物又は前記重合体を有効成分とすることを特徴とするリチウム二次電池用正極保護剤。
- 芳香族官能基と重合性官能基とを有する重合性化合物、及び金属イオンと錯体を形成する錯体形成官能基と重合性官能基とを有する重合性化合物を含む混合物を作製し、前記重合性化合物を重合することを特徴とする重合体の製造方法。
- 前記重合性化合物は、前記芳香族官能基と前記重合性官能基との間に炭素数1〜20の炭化水素基又はオキシアルキレン基を有することを特徴とする請求項15に記載の重合体の製造方法。
- 前記混合物は、下記化学式(1)又は(2)で表される重合性化合物及び下記化学式(5)及び(6)で表される重合性化合物を含むことを特徴とする請求項15又は16に記載の重合体の製造方法。
- 前記混合物は、さらに、極性の高い官能基を有する高極性官能基と重合性官能基とを有する重合性化合物を含むことを特徴とする請求項15〜17のいずれか一項に記載の重合体の製造方法。
- 前記混合物に重合開始剤を混合して反応させることを特徴とする請求項15〜18のいずれか一項に記載の重合体の製造方法。
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JP2011001571A JP2012146397A (ja) | 2011-01-07 | 2011-01-07 | リチウム二次電池 |
KR1020110084364A KR20120080515A (ko) | 2011-01-07 | 2011-08-24 | 리튬 이차 전지 |
CN2011102443212A CN102593507A (zh) | 2011-01-07 | 2011-08-25 | 锂二次电池 |
US13/217,516 US20120177980A1 (en) | 2011-01-07 | 2011-08-25 | Lithium secondary battery |
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Cited By (2)
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JP2013097871A (ja) * | 2011-10-28 | 2013-05-20 | Hitachi Ltd | リチウム二次電池用正極保護剤、リチウム二次電池用電解液、リチウム二次電池およびそれらの製造方法 |
WO2013168544A1 (ja) * | 2012-05-11 | 2013-11-14 | 株式会社 日立製作所 | リチウムイオン二次電池用電極保護剤、リチウムイオン二次電池用正極材料、リチウムイオン二次電池用電解液、リチウムイオン二次電池およびそれらの製造方法 |
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US9425485B1 (en) | 2015-03-27 | 2016-08-23 | Wildcat Discovery Technologies, Inc. | Electrolyte formulations for gas suppression and methods of use |
US10256472B2 (en) * | 2015-11-12 | 2019-04-09 | Kansai Paint Co., Ltd. | Conductive paste and mixture paste for lithium ion battery positive electrode |
CN111244547B (zh) * | 2020-01-21 | 2021-09-17 | 四川虹微技术有限公司 | 一种含芳香肟类添加剂的电解液及其制备方法和用途 |
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JPH1074538A (ja) * | 1996-08-30 | 1998-03-17 | Hitachi Maxell Ltd | リチウムイオン二次電池 |
JP2010198888A (ja) * | 2009-02-25 | 2010-09-09 | Hitachi Ltd | リチウムイオン二次電池 |
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CN100550504C (zh) * | 2004-12-24 | 2009-10-14 | 松下电器产业株式会社 | 用于二次电池的非水电解质和包含该非水电解质的二次电池 |
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JPH1074538A (ja) * | 1996-08-30 | 1998-03-17 | Hitachi Maxell Ltd | リチウムイオン二次電池 |
JP2010198888A (ja) * | 2009-02-25 | 2010-09-09 | Hitachi Ltd | リチウムイオン二次電池 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013097871A (ja) * | 2011-10-28 | 2013-05-20 | Hitachi Ltd | リチウム二次電池用正極保護剤、リチウム二次電池用電解液、リチウム二次電池およびそれらの製造方法 |
WO2013168544A1 (ja) * | 2012-05-11 | 2013-11-14 | 株式会社 日立製作所 | リチウムイオン二次電池用電極保護剤、リチウムイオン二次電池用正極材料、リチウムイオン二次電池用電解液、リチウムイオン二次電池およびそれらの製造方法 |
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