SAFE LITHIUM ION BATTERY

  • US 20080213655A1
  • Filed: 06/07/2007
  • Published: 09/04/2008
  • Est. Priority Date: 03/01/2007
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for producing safe lithium ion battery which having a cylindrical shell and a concave allocating on the round neck of the shell, comprising the steps of:

  • preparing materials of anode, membrane, cathode, and electrolyte;

    forming the shell of the battery;

    depositing the above materials inside the shell;

    then closing over the cover;

    wherein in the step of forming further comprises the step of allocating a round tape on the surface of the inner wall of the concave round neck; and

    the width of the round tape is equal to or larger than the width of the neck;

    the tape is a propylene tape, and the thickness is about 0.025˜

    0.035 mm.

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