JP5098171B2 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
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- JP5098171B2 JP5098171B2 JP2005371775A JP2005371775A JP5098171B2 JP 5098171 B2 JP5098171 B2 JP 5098171B2 JP 2005371775 A JP2005371775 A JP 2005371775A JP 2005371775 A JP2005371775 A JP 2005371775A JP 5098171 B2 JP5098171 B2 JP 5098171B2
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- secondary battery
- aqueous electrolyte
- electrolyte secondary
- battery
- Prior art date
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- SHPOBOLBIFFRIY-UHFFFAOYSA-N CCC(S(=O)(=O)C=C)S(=O)(=O)C1=CC=CC=C1 Chemical compound CCC(S(=O)(=O)C=C)S(=O)(=O)C1=CC=CC=C1 SHPOBOLBIFFRIY-UHFFFAOYSA-N 0.000 description 1
- XIOYBCOWDFVXOI-UHFFFAOYSA-N CCCS(=O)(=O)C=CS(=O)(=O)C Chemical compound CCCS(=O)(=O)C=CS(=O)(=O)C XIOYBCOWDFVXOI-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- PLUBXMRUUVWRLT-UHFFFAOYSA-N Ethyl methanesulfonate Chemical compound CCOS(C)(=O)=O PLUBXMRUUVWRLT-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013075 LiBF Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013733 LiCo Inorganic materials 0.000 description 1
- 229910011573 LiFe Inorganic materials 0.000 description 1
- 229910013398 LiN(SO2CF2CF3)2 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- NVOMIDQDEPOUPI-UHFFFAOYSA-N S(=O)(O)O.C(=C)C=CC Chemical compound S(=O)(O)O.C(=C)C=CC NVOMIDQDEPOUPI-UHFFFAOYSA-N 0.000 description 1
- XFUTUCNMUWBBGX-UHFFFAOYSA-N S(=O)(O)O.C(=C)C=CC=C Chemical compound S(=O)(O)O.C(=C)C=CC=C XFUTUCNMUWBBGX-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 239000002194 amorphous carbon material Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- PZHOZPRRIHOUQI-UHFFFAOYSA-N benzyl ethanesulfonate Chemical compound CCS(=O)(=O)OCC1=CC=CC=C1 PZHOZPRRIHOUQI-UHFFFAOYSA-N 0.000 description 1
- ZDKRMIJRCHPKLW-UHFFFAOYSA-N benzyl methanesulfonate Chemical compound CS(=O)(=O)OCC1=CC=CC=C1 ZDKRMIJRCHPKLW-UHFFFAOYSA-N 0.000 description 1
- QFVYULBRPYHMON-UHFFFAOYSA-N benzyl propane-1-sulfonate Chemical compound CCCS(=O)(=O)OCC1=CC=CC=C1 QFVYULBRPYHMON-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- KRUQDZRWZXUUAD-UHFFFAOYSA-N bis(trimethylsilyl) sulfate Chemical compound C[Si](C)(C)OS(=O)(=O)O[Si](C)(C)C KRUQDZRWZXUUAD-UHFFFAOYSA-N 0.000 description 1
- KIYGJLKDMYDVPN-UHFFFAOYSA-N boric acid tributyl borate Chemical class OB(O)O.CCCCOB(OCCCC)OCCCC KIYGJLKDMYDVPN-UHFFFAOYSA-N 0.000 description 1
- ZTCLFSRIWSZUHZ-UHFFFAOYSA-N but-1-yne;carbonic acid Chemical compound CCC#C.OC(O)=O ZTCLFSRIWSZUHZ-UHFFFAOYSA-N 0.000 description 1
- PQYORWUWYBPJLQ-UHFFFAOYSA-N buta-1,3-diene;sulfurous acid Chemical compound C=CC=C.OS(O)=O PQYORWUWYBPJLQ-UHFFFAOYSA-N 0.000 description 1
- 229940043232 butyl acetate Drugs 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- DOAYJNMCHKRFLA-UHFFFAOYSA-N carbonic acid;hex-3-yne Chemical compound OC(O)=O.CCC#CCC DOAYJNMCHKRFLA-UHFFFAOYSA-N 0.000 description 1
- VJRTZEWWUALMFH-UHFFFAOYSA-N carbonic acid;pent-1-yne Chemical compound OC(O)=O.CCCC#C VJRTZEWWUALMFH-UHFFFAOYSA-N 0.000 description 1
- SYLNJGIBLUVXCG-UHFFFAOYSA-N carbonic acid;prop-1-yne Chemical compound CC#C.OC(O)=O SYLNJGIBLUVXCG-UHFFFAOYSA-N 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 238000001816 cooling Methods 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
- 239000002180 crystalline carbon material Substances 0.000 description 1
- 125000004122 cyclic group Chemical class 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- QLVWOKQMDLQXNN-UHFFFAOYSA-N dibutyl carbonate Chemical compound CCCCOC(=O)OCCCC QLVWOKQMDLQXNN-UHFFFAOYSA-N 0.000 description 1
- 229960004132 diethyl ether Drugs 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- NVJBFARDFTXOTO-UHFFFAOYSA-N diethyl sulfite Chemical compound CCOS(=O)OCC NVJBFARDFTXOTO-UHFFFAOYSA-N 0.000 description 1
- UYAAVKFHBMJOJZ-UHFFFAOYSA-N diimidazo[1,3-b:1',3'-e]pyrazine-5,10-dione Chemical compound O=C1C2=CN=CN2C(=O)C2=CN=CN12 UYAAVKFHBMJOJZ-UHFFFAOYSA-N 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- AVGYVDOSBJFXFR-UHFFFAOYSA-N diphenyl sulfite Chemical compound C=1C=CC=CC=1OS(=O)OC1=CC=CC=C1 AVGYVDOSBJFXFR-UHFFFAOYSA-N 0.000 description 1
- JMPVESVJOFYWTB-UHFFFAOYSA-N dipropan-2-yl carbonate Chemical compound CC(C)OC(=O)OC(C)C JMPVESVJOFYWTB-UHFFFAOYSA-N 0.000 description 1
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- VUOBNYBDYSEGJL-UHFFFAOYSA-N ethenylsulfonylmethylsulfonylbenzene Chemical compound C=CS(=O)(=O)CS(=O)(=O)C1=CC=CC=C1 VUOBNYBDYSEGJL-UHFFFAOYSA-N 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- XDRMBCMMABGNMM-UHFFFAOYSA-N ethyl benzenesulfonate Chemical compound CCOS(=O)(=O)C1=CC=CC=C1 XDRMBCMMABGNMM-UHFFFAOYSA-N 0.000 description 1
- PPCXFTKZPBHXIW-UHFFFAOYSA-N ethyl ethanesulfonate Chemical compound CCOS(=O)(=O)CC PPCXFTKZPBHXIW-UHFFFAOYSA-N 0.000 description 1
- AEHVMUMGWLAZNV-UHFFFAOYSA-N ethyl propan-2-yl carbonate Chemical compound CCOC(=O)OC(C)C AEHVMUMGWLAZNV-UHFFFAOYSA-N 0.000 description 1
- CYEDOLFRAIXARV-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound CCCOC(=O)OCC CYEDOLFRAIXARV-UHFFFAOYSA-N 0.000 description 1
- SUKVOSGWLCWBIK-UHFFFAOYSA-N ethyl propyl sulfite Chemical compound CCCOS(=O)OCC SUKVOSGWLCWBIK-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- CZXGXYBOQYQXQD-UHFFFAOYSA-N methyl benzenesulfonate Chemical compound COS(=O)(=O)C1=CC=CC=C1 CZXGXYBOQYQXQD-UHFFFAOYSA-N 0.000 description 1
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 description 1
- QOMLLXBOHXVMLC-UHFFFAOYSA-N methyl phenyl sulfite Chemical compound COS(=O)OC1=CC=CC=C1 QOMLLXBOHXVMLC-UHFFFAOYSA-N 0.000 description 1
- MNRGFUBMMILKAL-UHFFFAOYSA-N methyl phenylmethanesulfonate Chemical compound COS(=O)(=O)CC1=CC=CC=C1 MNRGFUBMMILKAL-UHFFFAOYSA-N 0.000 description 1
- RCIJMMSZBQEWKW-UHFFFAOYSA-N methyl propan-2-yl carbonate Chemical compound COC(=O)OC(C)C RCIJMMSZBQEWKW-UHFFFAOYSA-N 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- ZXMCKPQSGNUMSZ-UHFFFAOYSA-N methyl propyl sulfite Chemical compound CCCOS(=O)OC ZXMCKPQSGNUMSZ-UHFFFAOYSA-N 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- YVBBRRALBYAZBM-UHFFFAOYSA-N perfluorooctane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YVBBRRALBYAZBM-UHFFFAOYSA-N 0.000 description 1
- LJYVSUWJFYSYHT-UHFFFAOYSA-N phenyl ethanesulfonate Chemical compound CCS(=O)(=O)OC1=CC=CC=C1 LJYVSUWJFYSYHT-UHFFFAOYSA-N 0.000 description 1
- WXVUCMFEGJUVTN-UHFFFAOYSA-N phenyl methanesulfonate Chemical compound CS(=O)(=O)OC1=CC=CC=C1 WXVUCMFEGJUVTN-UHFFFAOYSA-N 0.000 description 1
- MMFXMQNGDAMPHV-UHFFFAOYSA-N phenyl propane-1-sulfonate Chemical compound CCCS(=O)(=O)OC1=CC=CC=C1 MMFXMQNGDAMPHV-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QGNRLAFFKKBSIM-UHFFFAOYSA-N prop-2-enylsulfanylbenzene Chemical compound C=CCSC1=CC=CC=C1 QGNRLAFFKKBSIM-UHFFFAOYSA-N 0.000 description 1
- XDLVYYYGCNMREZ-UHFFFAOYSA-N propane-1,2-diol;sulfuric acid Chemical compound CC(O)CO.OS(O)(=O)=O XDLVYYYGCNMREZ-UHFFFAOYSA-N 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- OCNPXKLQSGAGKT-UHFFFAOYSA-N propyl benzenesulfonate Chemical compound CCCOS(=O)(=O)C1=CC=CC=C1 OCNPXKLQSGAGKT-UHFFFAOYSA-N 0.000 description 1
- YPSPVRSUNKJSSM-UHFFFAOYSA-N propyl ethanesulfonate Chemical compound CCCOS(=O)(=O)CC YPSPVRSUNKJSSM-UHFFFAOYSA-N 0.000 description 1
- DKORSYDQYFVQNS-UHFFFAOYSA-N propyl methanesulfonate Chemical compound CCCOS(C)(=O)=O DKORSYDQYFVQNS-UHFFFAOYSA-N 0.000 description 1
- DTOFWENHXCPOJZ-UHFFFAOYSA-N propyl phenylmethanesulfonate Chemical compound CCCOS(=O)(=O)CC1=CC=CC=C1 DTOFWENHXCPOJZ-UHFFFAOYSA-N 0.000 description 1
- 229940116423 propylene glycol diacetate Drugs 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- RCYJPSGNXVLIBO-UHFFFAOYSA-N sulfanylidenetitanium Chemical compound [S].[Ti] RCYJPSGNXVLIBO-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- CFJRPNFOLVDFMJ-UHFFFAOYSA-N titanium disulfide Chemical compound S=[Ti]=S CFJRPNFOLVDFMJ-UHFFFAOYSA-N 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- LOZAIRWAADCOHQ-UHFFFAOYSA-N triphosphazene Chemical compound PNP=NP LOZAIRWAADCOHQ-UHFFFAOYSA-N 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
Description
請求項2の発明は、請求項1において、前記化学式(1)記載の化合物がビス(ビニルスルホニル)メタンおよびビス(アリルスルホニル) メタンのうち少なくとも1種であることを特徴とする請求項1 記載の非水電解質二次電池である。
ここで、化学式(1)で示される具体例としては、R1およびR2の少なくともいずれか一方がビニル基、アリル基、イソプロペニル基、2−プロピニル基、2−プロペニル基、2−ブテニル基、1,3−ブタジエニル基、2−ペンテニル基、2−ペンテン−4−イニル基などから選択される一価の不飽和基をもつ官能基である化合物を上げることができる。R3およびR4が水素原子の場合、例えばメチルスルホニルビニルスルホニルメタン、エチルスルホニルビニルスルホニルメタン、プロピルスルホニルビニルスルホニルメタン、メチルスルホニルアリルスルホニルエタン、エチルスルホニルアリルスルホニルエタン、プロピルスルホニルアリルスルホニルエタン、ビニルスルホニルフェニルスルホニルメタン、ビニルスルホニルフェニルスルホニルエタン、ビニルスルホニルフェニルスルホニルプロパン、アリルスルホニルフェニルスルホニルメタン、アリルスルホニルフェニルスルホニルエタン、アリルスルホニルフェニルスルホニルプロパン、イソプロペニルスルホニルフェニルスルホニルメタン、イソプロペニルスルホニルフェニルスルホニルエタン、イソプロペニルスルホニルフェニルスルホニルプロパン、ビス(ビニルスルホニル)メタン、ビス(アリルスルホニル)メタン、ビス(イソプロペニルスルホニル)メタン、ビス(ビニルスルホニル)エタン、ビス(アリルスルホニル)エタン、ビス(イソプロペニルスルホニル)エタン、ビス(ビニルスルホニル)プロパン、ビス(アリルスルホニル)プロパン、ビス(イソプロペニルスルホニル)プロパン、アリルスルホニルビニルスルホニルメタン、アリルスルホニルビニルスルホニルエタンおよびアルルスルホニルビニルスルホニルプロパン等があげられる。ここで、R3とR4に相当する部分は水素原子、ハロゲンおよび置換基を有していても良い有機基からなる群の中の1種である。また、これらを単独または混合して使用することができる。これらの中で特に好適なのは、化学式(1)においてR1とR2がともに炭素−炭素不飽和結合を有する鎖状または分岐鎖状の不飽和基であり、R3およびR4を水素原子としたときであり、特に、ビス(ビニルスルホニル)メタンまたはビス(アリルスルホニル)メタンを用いると特に電池の抵抗上昇を抑制する効果が高く、より好適である。これらの化合物を用いた場合に高温かつ長期使用時の電池抵抗上昇が抑制される理由は現時点で明らかではないが、本発明の化合物を用いることで、正極および負極に安定な被膜が形成し、非水電解質の分解を効果的に抑制していることが考えられる。
図1は、本実施例の角形非水電解質二次電池の概略断面図である。この角形非水電解質二次電池1は、アルミニウム集電体に正極合材を塗布してなる正極3と、銅集電体に負極合材を塗布してなる負極4とがセパレータ5を介して巻回された扁平巻状電極群2と、非水電解液とを電池ケース6に収納してなる、幅34mm×高さ50mm×厚さ5.0mmのものである。
実施例2〜5および参考例1〜4の8種類の電池については、表1に示すように、非水電解質に添加したBBSMの量を変化させた以外は、実施例1とまったく同様にして、非水電解質二次電池を各3セルずつ作製した。
実施例6の電池については、ビス(ビニルスルホニル)メタンのかわりにビス(アリルスルホニル)メタン[BASM:CH 2CHCH2S(O2)CH2S(O2)CH2CHCH2]を用いた以外は実施例1とまったく同様にして非水電解質二次電池を作製した。
実施例7の電池については、ビス(ビニルスルホニル)メタンのかわりにビス(ビニルスルホニル)プロパン[BBSP:CH2CHS(O2)CH2CH2CH2S(O2)CHCH2]を用いた以外は実施例1とまったく同様にして非水電解質二次電池を作製した。
比較例1の電池については、ビス(ビニルスルホニル)メタンを添加しない以外は実施例1とまったく同様にして非水電解質二次電池を作製した。
表2に、実施例1〜7,参照例1〜4および比較例1の直流抵抗増加率を示す。
2 巻回型電極群
3 正極
4 負極
5 セパレータ
6 電池ケース
7 電池蓋
8 安全弁
9 負極端子
10 正極リード
11 負極リード
Claims (3)
- リチウムを吸蔵・放出する物質を構成要素とする正極と、リチウムを吸蔵・放出する物質を構成要素とする負極と、非水電解質とを備え、前記非水電解質が化学式(1)で表される化合物を前記非水電解質の総重量に対して0.2〜2.0wt%含むことを特徴とした非水電解質二次電池。
(ここで、nは1〜3の整数であり、R1およびR2はメチル基,エチル基,プロピル基,フェニル基および炭素-炭素不飽和結合を含む鎖状または分岐鎖状の基からなる一群より選ばれ,かつR1およびR2の少なくとも一方は炭素-炭素不飽和結合を含む鎖状または分岐鎖状の基であり、R3およびR4は水素原子、ハロゲンおよび置換基を有していても良い有機基からなる群の中の1種である。) - 前記化学式(1)記載の化合物がビス(ビニルスルホニル)メタンおよびビス(アリルスルホニル)メタンのうち少なくとも1種であることを特徴とする請求項1記載の非水電解質二次電池。
- 請求項1に記載された非水電解質二次電池の製造方法であって、化学式(1)で表される化合物を含有した非水電解液を電池内に注液して非水電解質二次電池を製造することを特徴とする非水電解質二次電池の製造方法。
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