JP5953874B2 - 蓄電素子及び蓄電素子の製造方法 - Google Patents
蓄電素子及び蓄電素子の製造方法 Download PDFInfo
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- JP5953874B2 JP5953874B2 JP2012076218A JP2012076218A JP5953874B2 JP 5953874 B2 JP5953874 B2 JP 5953874B2 JP 2012076218 A JP2012076218 A JP 2012076218A JP 2012076218 A JP2012076218 A JP 2012076218A JP 5953874 B2 JP5953874 B2 JP 5953874B2
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- additive
- positive electrode
- active material
- lithium
- storage element
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- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title description 14
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- 230000000996 additive effect Effects 0.000 claims description 125
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- 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 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
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- 229940043232 butyl acetate Drugs 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
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- 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
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- 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
- 238000010586 diagram Methods 0.000 description 1
- QLVWOKQMDLQXNN-UHFFFAOYSA-N dibutyl carbonate Chemical compound CCCCOC(=O)OCCCC QLVWOKQMDLQXNN-UHFFFAOYSA-N 0.000 description 1
- LMEDOLJKVASKTP-UHFFFAOYSA-N dibutyl sulfate Chemical compound CCCCOS(=O)(=O)OCCCC LMEDOLJKVASKTP-UHFFFAOYSA-N 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
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- 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
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- RBBXSUBZFUWCAV-UHFFFAOYSA-N ethenyl hydrogen sulfite Chemical class OS(=O)OC=C RBBXSUBZFUWCAV-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-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
- ANNNGOUEZBONHD-UHFFFAOYSA-N ethyl phenylmethanesulfonate Chemical compound CCOS(=O)(=O)CC1=CC=CC=C1 ANNNGOUEZBONHD-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
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- 239000003063 flame retardant Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000000769 gas chromatography-flame ionisation detection Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
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- 239000003273 ketjen black Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- JWZCKIBZGMIRSW-UHFFFAOYSA-N lead lithium Chemical compound [Li].[Pb] JWZCKIBZGMIRSW-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- IGILRSKEFZLPKG-UHFFFAOYSA-M lithium;difluorophosphinate Chemical compound [Li+].[O-]P(F)(F)=O IGILRSKEFZLPKG-UHFFFAOYSA-M 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- CZXGXYBOQYQXQD-UHFFFAOYSA-N methyl benzenesulfonate Chemical group COS(=O)(=O)C1=CC=CC=C1 CZXGXYBOQYQXQD-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- YLJRCXSSKLWCDE-UHFFFAOYSA-N methyl ethanesulfonate Chemical compound CCS(=O)(=O)OC YLJRCXSSKLWCDE-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
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- ZXMCKPQSGNUMSZ-UHFFFAOYSA-N methyl propyl sulfite Chemical compound CCCOS(=O)OC ZXMCKPQSGNUMSZ-UHFFFAOYSA-N 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005486 organic electrolyte 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
- 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
- 238000011056 performance test Methods 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
- NIXKBAZVOQAHGC-UHFFFAOYSA-N phenylmethanesulfonic acid Chemical compound OS(=O)(=O)CC1=CC=CC=C1 NIXKBAZVOQAHGC-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 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
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- DKORSYDQYFVQNS-UHFFFAOYSA-N propyl methanesulfonate Chemical compound CCCOS(C)(=O)=O DKORSYDQYFVQNS-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229940116423 propylene glycol diacetate Drugs 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
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- 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
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- Battery Electrode And Active Subsutance (AREA)
Description
蓄電素子1及びその製造方法についての実施例について説明する。なお、以下の実施例1〜30は、いずれも、上述した実施の形態に係る蓄電素子1及びその製造方法に関するものである。また、以下で説明する実施例1〜30及び比較例1〜138では、非水電解液6に添加する添加剤の種類及び添加量と、正極活物質以外は、全て同じ条件下で行ったものである。
結着剤であるポリフッ化ビニリデン5質量%と、導電剤であるアセチレンブラック5質量%と、正極活物質としてLiNi0.45Mn0.45Co0.1O2を90質量%とを混合したものに、N−メチル−2−ピロリドンを加えてペースト状に調製した後、これを、厚さが20μmのアルミニウム箔製の正極集電体の両面に塗布し、乾燥することによって正極板を作製し、正極リードを備え付けた。
負極活物質として島津製作所製レーザ回折式粒度分布測定装置SALD2200を用いてレーザ回折法により測定したd50(平均粒子径)が9μmの難黒鉛化性炭素を92質量%と、結着剤のポリフッ化ビニリデン8質量%とを、N−メチル−2−ピロリドンに加えてペースト状に調製した後、これを、厚さが10μmの銅箔製の負極集電体の両面に塗布し、乾燥することによって負極板を製作し、負極リードを備え付けた。
セパレータとしては、ポリエチレン微多孔膜を用いた。また、非水電解質としては、以下の方法で調製した非水電解液を用いた。つまり、エチレンカーボネート(EC):ジメチルカーボネート(DMC):エチルメチルカーボネート(EMC)=3:3:4(体積比)の混合溶媒に、LiPF6を調製後に1mol/Lとなるように溶解し、さらに、非水電解液の総質量に対して、化学式(5)で表わされる第1の添加剤を0.30重量%と、化学式(6)で表わされる第2の添加剤を0.02重量%とを添加して非水電解液を調製した。
次に、以下のようにして、評価試験(高温保存後の電池性能試験)を行った。
2 電極体
3 容器
4 正極端子
5 負極端子
6 非水電解液
31 電解液注入孔
Claims (3)
- リチウムイオンを吸蔵及び放出する物質を含む正極及び負極と、溶媒及び電解質塩を含む非水電解液とを有する蓄電素子であって、
前記非水電解液は、
下記の化学式(1)で表される第1の添加剤であるリチウムジフルオロビスオキサレートホスフェートと、
下記の化学式(2)で表される第2の添加剤であるリチウムテトラフルオロオキサレートホスフェートとを含み、
前記第1の添加剤の添加量は、前記非水電解液の総重量の0.3重量%以上1.0重量%以下であり、かつ、前記第2の添加剤の添加量は、前記第1の添加剤の添加量の0.05倍以上0.3倍以下であり、
前記正極は、正極活物質として、LixCoyNizMn(1−y−z)O2(ただし、0.95≦x≦1.2、0.1≦y≦0.34、0<z、1−y−z>0)で表されるリチウム遷移金属酸化物を含む
蓄電素子。
- 前記リチウム遷移金属酸化物は、LixNi(1−y)/2Mn(1−y)/2CoyO2(ただし、1.1≦x≦1.2、0.1≦y≦0.34)で表される
請求項1に記載の蓄電素子。 - リチウムイオンを吸蔵及び放出する物質を含む正極及び負極と、溶媒及び電解質塩を含む非水電解液とを有する蓄電素子の製造方法であって、
下記の化学式(3)で表される第1の添加剤であるリチウムジフルオロビスオキサレートホスフェートと下記の化学式(4)で表される第2の添加剤であるリチウムテトラフルオロオキサレートホスフェートとが添加された非水電解液を前記蓄電素子に注入する電解液注入工程と、
前記電解液注入工程において非水電解液が注入された前記蓄電素子に対して、封止前に1回以上の予備充電を行う予備充電工程とを含み、
前記電解液注入工程では、LixCoyNizMn(1−y−z)O2(ただし、0.95≦x≦1.2、0.1≦y≦0.34、0<z、1−y−z>0)で表されるリチウム遷移金属酸化物を正極活物質として含む前記正極を有する前記蓄電素子に、前記非水電解液の総重量の0.3重量%以上1.0重量%以下の前記第1の添加剤と、前記第1の添加剤の添加量の0.05倍以上0.3倍以下の前記第2の添加剤とが添加された非水電解液を注入する
蓄電素子の製造方法。
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| CN201210570276.4A CN103208652B (zh) | 2012-01-16 | 2012-12-25 | 蓄电元件、蓄电元件的制造方法及非水电解液 |
| EP13150723.8A EP2615682B1 (en) | 2012-01-16 | 2013-01-10 | Energy storage element, method of producing energy storage element, and non-aqueous electrolyte |
| US13/739,170 US8986881B2 (en) | 2012-01-16 | 2013-01-11 | Energy storage element, method of producing energy storage element, and non-aqueous electrolyte |
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| JP6032180B2 (ja) * | 2013-11-08 | 2016-11-24 | トヨタ自動車株式会社 | リチウムイオン二次電池 |
| WO2015098022A1 (ja) * | 2013-12-27 | 2015-07-02 | 三洋電機株式会社 | 非水電解質二次電池 |
| JP6390902B2 (ja) * | 2014-10-10 | 2018-09-19 | トヨタ自動車株式会社 | 非水電解液二次電池 |
| JP2018181766A (ja) * | 2017-04-20 | 2018-11-15 | トヨタ自動車株式会社 | リチウム二次電池用の正極 |
| CN111864263A (zh) * | 2019-04-29 | 2020-10-30 | 中国科学院福建物质结构研究所 | 一种锂离子电池硅碳负极用电解液 |
| JP2023024396A (ja) * | 2021-08-06 | 2023-02-16 | Muアイオニックソリューションズ株式会社 | 非水系電解液及び該非水系電解液を用いた非水系電解液電池 |
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| JP5119182B2 (ja) * | 2009-02-24 | 2013-01-16 | トヨタ自動車株式会社 | リチウムイオン二次電池の製造方法 |
| JP5573313B2 (ja) * | 2010-04-06 | 2014-08-20 | セントラル硝子株式会社 | 非水電解液電池用電解液及びこれを用いる非水電解液電池 |
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