Lithium ion cell polar ear and there is the lithium ion battery of this lug

Lithium ion cell polar ear and there is the lithium ion battery of this lug

  • CN 101,887,960 B
  • Filed: 07/13/2010
  • Issued: 07/29/2015
  • Est. Priority Date: 07/13/2010
  • Status: Active Grant
First Claim
Patent Images

1. a lithium ion cell polar ear, this lithium ion cell polar ear is arranged at lithium-ion battery shell outside, comprise a sheet metal, it is characterized in that, comprise the ptc layer that is arranged at this sheet metal surface further, lithium ion battery is electrically connected with external circuit by the ptc layer of described lug, and the material of described ptc layer is vanadium trioxide, the vanadium trioxide of doping or the polymer composite ptc material containing vanadium trioxide.

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