JP5202824B2 - 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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- JP5202824B2 JP5202824B2 JP2006194080A JP2006194080A JP5202824B2 JP 5202824 B2 JP5202824 B2 JP 5202824B2 JP 2006194080 A JP2006194080 A JP 2006194080A JP 2006194080 A JP2006194080 A JP 2006194080A JP 5202824 B2 JP5202824 B2 JP 5202824B2
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- negative electrode
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- secondary battery
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 23
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 41
- 229920001519 homopolymer Polymers 0.000 claims description 21
- 229920001577 copolymer Polymers 0.000 claims description 20
- 239000011883 electrode binding agent Substances 0.000 claims description 17
- 239000007773 negative electrode material Substances 0.000 claims description 8
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 7
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 description 25
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 10
- 125000000524 functional group Chemical group 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000002482 conductive additive Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000013081 microcrystal Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- VFRGATWKSPNXLT-UHFFFAOYSA-N 1,2-dimethoxybutane Chemical compound CCC(OC)COC VFRGATWKSPNXLT-UHFFFAOYSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- ZUUAYIMMTOMLAT-UHFFFAOYSA-N 2-methyloxolane;methylsulfinylmethane Chemical compound CS(C)=O.CC1CCCO1 ZUUAYIMMTOMLAT-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015118 LiMO Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction 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
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- ASQQEOXYFGEFKQ-UHFFFAOYSA-N dioxirane Chemical compound C1OO1 ASQQEOXYFGEFKQ-UHFFFAOYSA-N 0.000 description 1
- 150000004862 dioxolanes Chemical class 0.000 description 1
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- KLKFAASOGCDTDT-UHFFFAOYSA-N ethoxymethoxyethane Chemical compound CCOCOCC KLKFAASOGCDTDT-UHFFFAOYSA-N 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 125000000457 gamma-lactone group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Images
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
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
負極活物質として人造黒鉛を93重量部、導電助剤としてカーボンブラックを2重量部、結着剤を5重量部となるように、結着剤を溶解したNMP溶液に混合してスラリーを調製し、このスラリーを厚さ10μmの銅製の集電体の両面にドクターブレード法により塗布して負極層を得た。結着剤としては、PVdF共重合体としてビニレンカーボネートとフッ化ビニリデンの共重合体を75重量部と、直鎖状ホモポリマータイプのPVdFを25重量部を混合したものを用いた。
負極結着剤としてPVdF共重合体としてビニレンカーボネートとフッ化ビニリデンの共重合体を50重量部と、直鎖状ホモポリマータイプのPVdFを50重量部を混合したものを用いたほかは実施例1と同様に非水電解質二次電池を組み立てた。
負極結着剤としてPVdF共重合体としてビニレンカーボネートとフッ化ビニリデンの共重合体を40重量部と、直鎖状ホモポリマータイプのPVdFを60重量部を混合したものを用いたほかは実施例1と同様に非水電解質二次電池を組み立てた。
負極結着剤として直鎖状ホモポリマータイプのPVdFのみを用いたほかは実施例1と同様に非水電解質二次電池を組み立てた。
負極結着剤としてPVdF共重合体としてビニレンカーボネートとフッ化ビニリデンの共重合体のみを用いたほかは実施例1と同様に非水電解質二次電池を組み立てた。
Claims (1)
- 負極活物質と負極結着剤を含む負極および正極をセパレータを介して積層もしくは巻回し外装体に収納した非水電解質二次電池において、前記負極結着剤がビニレンカーボネートとフッ化ビニリデンの共重合体を有し、直鎖状ホモポリマータイプのポリフッ化ビニリデンを混合してなり、
前記直鎖状ホモポリマータイプのポリフッ化ビニリデンが負極結着剤全体の1質量%以上25質量%以下であることを特徴とする非水電解質二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006194080A JP5202824B2 (ja) | 2006-07-14 | 2006-07-14 | 非水電解質二次電池 |
Applications Claiming Priority (1)
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JP2006194080A JP5202824B2 (ja) | 2006-07-14 | 2006-07-14 | 非水電解質二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008021586A JP2008021586A (ja) | 2008-01-31 |
JP5202824B2 true JP5202824B2 (ja) | 2013-06-05 |
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JP2006194080A Active JP5202824B2 (ja) | 2006-07-14 | 2006-07-14 | 非水電解質二次電池 |
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JP (1) | JP5202824B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016015254A (ja) * | 2014-07-02 | 2016-01-28 | Jsr株式会社 | 蓄電デバイス用バインダー組成物を容器へ充填する方法 |
CN109585896A (zh) | 2017-09-29 | 2019-04-05 | 辉能科技股份有限公司 | 可挠电池 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3121943B2 (ja) * | 1992-12-02 | 2001-01-09 | 呉羽化学工業株式会社 | フッ化ビニリデン系共重合体 |
JPH09199134A (ja) * | 1996-01-22 | 1997-07-31 | Elf Atochem Japan Kk | 電極およびそれを使用した二次電池 |
JPH1021926A (ja) * | 1996-07-05 | 1998-01-23 | Sumitomo Bakelite Co Ltd | 非水電解液二次電池用電極フィルム |
KR100263153B1 (ko) * | 1998-01-22 | 2000-08-01 | 김순택 | 리튬이온2차전지의전극결합제와활물질슬러리제조방법 |
JP4613370B2 (ja) * | 1998-10-23 | 2011-01-19 | ソニー株式会社 | 非水電解質電池 |
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2006
- 2006-07-14 JP JP2006194080A patent/JP5202824B2/ja active Active
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