• US 20100112436A1
  • Filed: 01/09/2008
  • Published: 05/06/2010
  • Est. Priority Date: 02/21/2007
  • Status: Active Grant
First Claim
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1. A packaged battery comprising a film-covered battery including a battery element, and exterior films which form a sealed space which fits said battery element therein;

  • and a holding member which holds said film-covered battery, said sealed space including a housing section which houses said battery element therein, and a pocket communicating with said housing section to expand due to an increase in the inner pressure of said sealed space, said pocket including a safety valve configured to operate due to expansion of said pocket, wherein;

    said holding member includes an opening and a cavity which fits said housing section therein, andat least part of said pocket and said safety valve protrude to the outside of said holding member from said opening when said housing section is fitted into said cavity.

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