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LITHIUM SECONDARY BATTERY

  • US 20120315513A1
  • Filed: 01/12/2012
  • Published: 12/13/2012
  • Est. Priority Date: 06/13/2011
  • Status: Active Grant
First Claim
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1. A lithium secondary battery, comprising:

  • an electrode assembly;

    a can accommodating the electrode assembly;

    a cap assembly coupled with the can, the cap assembly being positioned at a topmost part of the can and having an upper cap including gas discharge holes therein; and

    a washer coupled with the upper cap,wherein the washer includes;

    a body part, the body part having a flat plate shape and having a centrally disposed connection hole; and

    insertion parts, the insertion parts extending toward a center of the connection hole from the body part and being arranged in the gas discharge holes.

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