Positive electrode active material for lithium secondary battery

Positive electrode active material for lithium secondary battery

  • CN 102,272,987 A
  • Filed: 01/06/2010
  • Published: 12/07/2011
  • Est. Priority Date: 01/06/2009
  • Status: Active Application
First Claim
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1. positive electrode active materials, it comprises:

  • By the lithium nickel oxide of formula 1 expression, the nickel content of wherein said lithium nickel oxide is all accounting at least 40% in the transition metal, and described lithium nickel oxide to be coated with fusing point be 80~

    300 ℃

    polymer;

    Li xNi yM 1-yO 2 (1) Wherein 0.95≤

    x≤

    1.15,0.4≤

    y≤

    0.9, and M is to be selected from least a among element stable when hexa-coordinate such as Mn, Co, Mg, the Al etc.

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