PACKAGED BATTERY, STACKED BATTERY ASSEMBLY, AND FILM-COVERED BATTERY

  • US 20140205869A1
  • Filed: 03/21/2014
  • Published: 07/24/2014
  • Est. Priority Date: 02/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. A film-covered battery including a battery element, and exterior films which form a sealed space which fits said battery element therein, said sealed space including a housing section which houses said battery element therein, and a pocket being folded or wound, said pocket communicating with said housing section, said pocket being composed of fusion-bonded film overhang and of fusion-bonding free area that is surrounded by said fusion-bonded film overhang, said pocket including a safety valve which passes through said external films.

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