Lithium ionic cell cover, battery shell and battery

Lithium ionic cell cover, battery shell and battery

  • CN 101,064,364 B
  • Filed: 04/29/2006
  • Issued: 11/28/2012
  • Est. Priority Date: 04/29/2006
  • Status: Active Grant
First Claim
Patent Images

1. lithium ion battery cover board;

  • Comprise lid and seal, said lid is provided with liquid injection hole, and said seal part at least is arranged in liquid injection hole and liquid injection hole tight fit;

    With its sealing;

    It is characterized in that;

    said seal has bead, and said bead extends outside the liquid injection hole, the degree of depth that the restriction seal gets into liquid injection hole;

    Said seal is the hollow structure of lower end closed, and the lower end of said seal is a sphere shape structure.

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