Current collector, battery, and methods for producing them

Current collector, battery, and methods for producing them

  • CN 107,302,092 B
  • Filed: 04/11/2017
  • Issued: 04/24/2020
  • Est. Priority Date: 04/14/2016
  • Status: Active Grant
First Claim
Patent Images

1. A current collector, comprising:

  • a copper base having a copper oxide layer with an average oxygen content of 10.5 at% or more within a thickness of 1.0 [ mu ] m from the surface; and

    a positive temperature coefficient resistance layer containing a thermoplastic resin and a conductive material, and covering the copper oxide layer of the copper matrix,the copper oxide layer prevents polymer chains in the thermoplastic resin from being cut.

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