LITHIUM ION BATTERY CATHODE ADDITIVE, FABRICATION METHOD THEREOF, LITHIUM ION BATTERY CATHODE SHEET AND LITHIUM ION BATTERY

  • US 20150111099A1
  • Filed: 12/24/2014
  • Published: 04/23/2015
  • Est. Priority Date: 10/26/2012
  • Status: Active Grant
First Claim
Patent Images

1. A lithium ion battery cathode additive, comprising:

  • a core-shell coating structure formed by elemental lithium powder and a polymer coated on the surface of the elemental lithium powder; and

    wherein the polymer can dissolve in a carbonic ester solvent, the polymer cannot react with N,N-dimethylformamide, N,N-dimethylacetamide, N-2-methyl pyrrolidone, tetrahydrofuran, acetone or methanol, and the polymer exists stably at a temperature of 0-150°

    C.

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