JP4657377B2 - 扁平形非水電解質二次電池 - Google Patents
扁平形非水電解質二次電池 Download PDFInfo
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- JP4657377B2 JP4657377B2 JP2010176152A JP2010176152A JP4657377B2 JP 4657377 B2 JP4657377 B2 JP 4657377B2 JP 2010176152 A JP2010176152 A JP 2010176152A JP 2010176152 A JP2010176152 A JP 2010176152A JP 4657377 B2 JP4657377 B2 JP 4657377B2
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- 229910007857 Li-Al Inorganic materials 0.000 description 1
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- 229910008367 Li-Pb Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
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- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 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
-
- 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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Description
図1は本発明の実施例1の扁平形非水電解質二次電池の断面図である。図において、本実施例1の扁平形非水電解質二次電池の電池ケースは、ステンレス製の金属ネット2が内面に溶接されたステンレス製の正極ケース1に、金属ネット6を内面に溶接し、絶縁ガスケット7を一体化した負極ケース5を嵌合しており、この電池ケース内には、正極作用物質含有層3と負極作用物質含有層4との間にポリエチレン微多孔膜からなるセパレータ8を介在させて渦巻状に捲回した発電要素が収納されている。
厚さが0.05mmの金属ネットを正極ケースおよび負極ケースの内面に溶接し、正極ケースの厚さと金属ネットの厚さとの合計、および負極ケースの厚さと金属ネットの厚さの合計が、それぞれ0.30mmである以外は、実施例1と同様に電池を作製した。
正極および負極の作用物質含有層の厚さを0.14mmとし、厚さが0.10mmの金属ネットを正極および負極ケースの内面に溶接し、正極ケースの厚さと金属ネットの厚さとの合計、および負極ケースの厚さと金属ネットの厚さの合計が、それぞれ0.35mmである以外は、実施例1と同様に電池を作製した。
正極および負極の作用物質含有層の厚さを0.13mmとし、厚さが0.15mmの金属ネットを正極および負極ケースの内面に溶接し、正極ケースの厚さと金属ネットの厚さとの合計、および負極ケースの厚さと金属ネットの厚さの合計が、それぞれ0.40mmである以外は、実施例1と同様に電池を作製した。
正極および負極の作用物質含有層の厚さを0.12mmとし、厚さが0.20mmの金属ネットを正極および負極ケースの内面に溶接し、正極ケースの厚さと金属ネットの厚さとの合計、および負極ケースの厚さと金属ネットの厚さの合計が、それぞれ0.45mmである以外は、実施例1と同様に電池を作製した。
正極および負極の作用物質含有層の厚さを0.10mmとし、厚さが0.30mmの金属ネットを正極および負極ケースの内面に溶接し、正極ケースの厚さと金属ネットの厚さとの合計、および負極ケースの厚さと金属ネットの厚さの合計が、それぞれ0.55mmである以外は、実施例1と同様に電池を作製した。
金属ネットを用いず、厚さが0.25mmの電池ケースの内面に導電性塗料を塗布した正極ケースおよび負極ケースを用いた以外は、実施例1と同様に電池を作製した。
2 金属ネット(正極側)
3 正極作用物質含有層
4 負極作用物質含有層
5 負極ケース
6 金属ネット(負極側)
7 絶縁ガスケット
8 セパレータ
Claims (4)
- 負極端子を兼ねる金属製の負極ケースと正極端子を兼ねる金属製の正極ケースとが絶縁ガスケットを介し嵌合され、さらに前記正極ケースまたは負極ケースが加締め加工により加締められた封口構造を有し、その内部に、少なくとも正極、負極および薄膜セパレータを合わせた電極群と、非水電解質とを収納した扁平形非水電解質二次電池において、
前記正極ケースまたは前記負極ケースと前記電極群との間に金属ネットが配置されており、
前記正極または前記負極は、金属箔からなる集電体の表面に作用物質含有層を有するものであり、
前記電極群に係る前記正極または前記負極における前記金属ネットとの接触部が、前記金属箔の露出部であることを特徴とする扁平形非水電解質二次電池。 - 薄膜セパレータの厚さが25μm以下である請求項1に記載の扁平形非水電解質二次電池。
- 電池内側の面が金属ネットと接している正極ケースにおける電池外側の面、または電池内側の面が金属ネットと接している負極ケースにおける電池外側の面に、リード端子が溶接されている請求項1または2に記載の扁平形非水電解質二次電池。
- 電極群内における正極と負極との対向面積の総和が、絶縁ガスケットの開口面積よりも大きい請求項1〜3のいずれかに記載の扁平形非水電解質二次電池。
Priority Applications (1)
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JP2010176152A JP4657377B2 (ja) | 2010-08-05 | 2010-08-05 | 扁平形非水電解質二次電池 |
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JP2010176152A JP4657377B2 (ja) | 2010-08-05 | 2010-08-05 | 扁平形非水電解質二次電池 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2000183000A Division JP4656698B2 (ja) | 1999-08-27 | 2000-06-19 | 扁平形非水電解質二次電池 |
Publications (2)
Publication Number | Publication Date |
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JP2010272539A JP2010272539A (ja) | 2010-12-02 |
JP4657377B2 true JP4657377B2 (ja) | 2011-03-23 |
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JP2010176152A Expired - Lifetime JP4657377B2 (ja) | 2010-08-05 | 2010-08-05 | 扁平形非水電解質二次電池 |
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JP (1) | JP4657377B2 (ja) |
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2010
- 2010-08-05 JP JP2010176152A patent/JP4657377B2/ja not_active Expired - Lifetime
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