JP4914561B2 - 正極缶及び、ボタン型またはコイン型電気化学セル - Google Patents
正極缶及び、ボタン型またはコイン型電気化学セル Download PDFInfo
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- JP4914561B2 JP4914561B2 JP2004005013A JP2004005013A JP4914561B2 JP 4914561 B2 JP4914561 B2 JP 4914561B2 JP 2004005013 A JP2004005013 A JP 2004005013A JP 2004005013 A JP2004005013 A JP 2004005013A JP 4914561 B2 JP4914561 B2 JP 4914561B2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
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- 239000000463 material Substances 0.000 claims description 5
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- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 4
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- 238000005336 cracking Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
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- 239000004584 polyacrylic acid Substances 0.000 description 3
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- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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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
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- Electric Double-Layer Capacitors Or The Like (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
請求項1に記載の発明では、ボタン型またはコイン型電気化学セルに用いられる正極缶であって、前記正極缶は、正極ペレットと接触する部分における折曲部の内側に前記正極缶の円周全体にリング状に形成される溝を有し、前記正極缶の材質がニッケル、銅、チタン、アルミニウム、金、白金のいずれかであり、前記正極缶の表面が炭素、ニッケル、チタン、アルミニウムのいずれかで覆われており、前記溝は、正極缶の外側底面に凸部を形成することなく、肉厚が薄い肉薄部を形成していることを特徴とする正極缶とした。
2 負極ペレット
3 セパレーター
4 正極缶
5 負極缶
6 ガスケット
7 折曲部
8 溝
Claims (7)
- ボタン型またはコイン型電気化学セルに用いられる正極缶であって、
前記正極缶は、正極ペレットと接触する部分における折曲部の内側に前記正極缶の円周全体にリング状に形成される溝を有し、
前記正極缶の材質がニッケル、銅、チタン、アルミニウム、金、白金のいずれかであり、
前記正極缶の表面が炭素、ニッケル、チタン、アルミニウムのいずれかで覆われており、
前記溝は、正極缶の外側底面に凸部を形成することなく、肉厚が薄い肉薄部を形成していることを特徴とする正極缶。 - 前記溝は前記正極缶の底面もしくは側面の少なくとも一方に形成されることを特徴とした請求項1に記載の正極缶。
- 前記溝の側断面がくさび型であることを特徴とする請求項1または2に記載の正極缶。
- 前記溝の断面の角度が15度以上90度未満であることを特徴とする請求項3に記載の正極缶。
- 前記溝が前記正極缶の底面の円周全体にリング状に形成され、前記溝の幅が0.01mmから0.1mmであることを特徴とする請求項2に記載の正極缶。
- 前記溝の深さが0.01mmから0.15mmであることを特徴とする請求項2または5に記載の正極缶。
- 請求項1から6のいずれか一項に記載の正極缶を用いて構成されたボタン型またはコイン型電気化学セル。
Priority Applications (1)
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JP2004005013A JP4914561B2 (ja) | 2004-01-13 | 2004-01-13 | 正極缶及び、ボタン型またはコイン型電気化学セル |
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JP2004005013A JP4914561B2 (ja) | 2004-01-13 | 2004-01-13 | 正極缶及び、ボタン型またはコイン型電気化学セル |
Publications (2)
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JP2005203109A JP2005203109A (ja) | 2005-07-28 |
JP4914561B2 true JP4914561B2 (ja) | 2012-04-11 |
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JP2004005013A Expired - Fee Related JP4914561B2 (ja) | 2004-01-13 | 2004-01-13 | 正極缶及び、ボタン型またはコイン型電気化学セル |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS54114725A (en) * | 1978-02-28 | 1979-09-07 | Citizen Watch Co Ltd | Small closed cell |
JP2003036886A (ja) * | 2001-07-23 | 2003-02-07 | Toshiba Battery Co Ltd | 扁平形非水電解質二次電池 |
JP2003257383A (ja) * | 2002-02-28 | 2003-09-12 | Sanyo Electric Co Ltd | 電 池 |
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