JP5562654B2 - 扁平形非水二次電池 - Google Patents
扁平形非水二次電池 Download PDFInfo
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- JP5562654B2 JP5562654B2 JP2010001648A JP2010001648A JP5562654B2 JP 5562654 B2 JP5562654 B2 JP 5562654B2 JP 2010001648 A JP2010001648 A JP 2010001648A JP 2010001648 A JP2010001648 A JP 2010001648A JP 5562654 B2 JP5562654 B2 JP 5562654B2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
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- 150000002642 lithium compounds Chemical class 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-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
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910018871 CoO 2 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013372 LiC 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
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- 239000006229 carbon black Substances 0.000 description 1
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- 229920001577 copolymer Polymers 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 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
Landscapes
- Cell Separators (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
2 正極ケース
3 負極ケース
4 絶縁ガスケット
5 正極
5a 正極の本体部
5b 正極の集電タブ部
6 負極
6a 負極の本体部
6b 負極の集電タブ部
7 セパレータ
7a セパレータの主体部
7b セパレータの張り出し部
7c 接合部
8 絶縁シール
Claims (2)
- 正極端子を兼ねる正極ケースと負極端子を兼ねる負極ケースとが絶縁ガスケットを介してカシメ封口されて形成された空間内に、複数の正極と複数の負極とがセパレータを介して交互に積層された電極群および非水電解液を有する扁平形非水二次電池であって、
前記正極は、本体部と、平面視で、前記本体部から突出した、前記本体部よりも幅の狭い集電タブ部とを有しており、前記正極の本体部には、集電体の片面または両面に正極活物質を含む正極合剤層が形成されており、前記正極の集電タブ部では、前記集電体に正極合剤層が形成されておらず、
前記負極は、本体部と、平面視で、前記本体部から突出した、前記本体部よりも幅の狭い集電タブ部とを有しており、前記負極の本体部には、集電体の片面または両面に負極活物質を含む負極剤層が形成されており、前記負極の集電タブ部では、前記集電体に負極剤層が形成されておらず、
少なくとも、両側が負極と対向している正極の両面には、熱可塑性樹脂製の微多孔膜からなるセパレータが配置されており、
前記2枚のセパレータは、前記正極の本体部全面を覆う主体部と、前記主体部から突出し、前記正極の集電タブ部の、少なくとも本体部との境界部を含む部分を覆う張り出し部とを有しており、かつ前記2枚のセパレータは、その主体部の周縁部の少なくとも一部において、互いに溶着された接合部を有しており、
前記電極群は、前記正極の各集電タブ部が纏められ、前記纏められた正極の各集電タブ部が互いに接合されることなく電極群における正極ケース側の外面上に折り返されて、正極ケースと電気的に接続しており、および/または、前記負極の各集電タブ部が纏められ、前記纏められた負極の各集電タブ部が互いに接合されることなく電極群における負極ケース側の外面上に折り返されて、負極ケースと電気的に接続していることを特徴とする扁平形非水二次電池。 - セパレータを構成する熱可塑性樹脂が、ポリオレフィンである請求項1に記載の扁平形非水二次電池。
Priority Applications (1)
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JP2010001648A JP5562654B2 (ja) | 2010-01-07 | 2010-01-07 | 扁平形非水二次電池 |
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JP2010001648A JP5562654B2 (ja) | 2010-01-07 | 2010-01-07 | 扁平形非水二次電池 |
Publications (2)
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JP2011141996A JP2011141996A (ja) | 2011-07-21 |
JP5562654B2 true JP5562654B2 (ja) | 2014-07-30 |
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JP2010001648A Active JP5562654B2 (ja) | 2010-01-07 | 2010-01-07 | 扁平形非水二次電池 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6001885B2 (ja) * | 2012-03-12 | 2016-10-05 | 日立マクセル株式会社 | 扁平形電池 |
JP2014049371A (ja) * | 2012-09-03 | 2014-03-17 | Hitachi Maxell Ltd | 扁平形非水二次電池およびその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129789A (ja) * | 1982-01-28 | 1983-08-02 | Yuasa Battery Co Ltd | 扁平形ニツケル−カドミウム蓄電池 |
JP4453882B2 (ja) * | 1999-08-27 | 2010-04-21 | 日立マクセル株式会社 | 扁平形非水電解質二次電池 |
JP3632586B2 (ja) * | 2000-10-25 | 2005-03-23 | トヨタ自動車株式会社 | 電池およびその製造方法 |
JP5164155B2 (ja) * | 2008-05-29 | 2013-03-13 | 日立マクセルエナジー株式会社 | 扁平形電池 |
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- 2010-01-07 JP JP2010001648A patent/JP5562654B2/ja active Active
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