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Lithium transition metal composite oxide for use as positive active material of lithium secondary battery and method for producing the same

  • US 20020110518A1
  • Filed: 12/06/2001
  • Published: 08/15/2002
  • Est. Priority Date: 12/08/2000
  • Status: Abandoned Application
First Claim
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1. A lithium transition metal composite oxide for use as a positive active material of a lithium secondary battery, comprising:

  • a transition metal as a main composition element, which is composed of at least one selected from the group consisting of Co, Ni and Mn, the ratio of lithium in a composition of a surface layer of each particle of said lithium transition metal composite oxide being greater than the ratio of lithium in an average composition of said each particle.

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