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Bipolar battery, assembled battery, combination assembled battery, and vehicle using the assembled battery or the combination assembled battery

  • US 20050031953A1
  • Filed: 08/06/2004
  • Published: 02/10/2005
  • Est. Priority Date: 08/08/2003
  • Status: Active Grant
First Claim
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1. A bipolar battery, comprising:

  • a battery element composed by stacking in series a plurality of bipolar electrodes, in each of which a positive electrode is formed on one surface of a collector and a negative electrode is formed on the other surface, with electrolytes interposed therebetween;

    laminate films covering the battery element, each of the laminate films containing a metal layer; and

    tabs composed by being extracted from the battery element to outsides of the laminate films, wherein thickness of a resin layer interposed between the tab and the metal layer is equal to or more than thickness of the tab.

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