Film-clad battery and method of producing film-clad battery

Film-clad battery and method of producing film-clad battery

  • CN 1,864,284 A
  • Filed: 09/30/2004
  • Published: 11/15/2006
  • Est. Priority Date: 10/07/2003
  • Status: Active Application
First Claim
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1. film-clad battery, it comprises:

  • have the cell device of positive electrode in the face of the structure of negative electrode, and cover film, this cover film has heat sealing resin layer and metal film layer laminated together at least, be positioned at inboard described heat sealing resin layer with employing and encapsulate described cell device, and by assigning to seal described cell device along periphery heat-sealing connecting portion, described coupling part has at least one folding limit, described film-clad battery is characterised in that;

    described coupling part is formed with at least one folding line, and the thickness of described folding line is less than the thickness around the described folding line.

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