Li-Ni-based composite oxide particle powder for rechargeable battery with nonaqueous elctrolyte, process for producing the powder, and rechargeable battery with nonaqueous electrolyte

Li-Ni-based composite oxide particle powder for rechargeable battery with nonaqueous elctrolyte, process for producing the powder, and rechargeable battery with nonaqueous electrolyte

  • CN 101,855,755 B
  • Filed: 11/11/2008
  • Issued: 04/15/2015
  • Est. Priority Date: 11/12/2007
  • Status: Active Grant
First Claim
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1. a Li-Ni based composite oxide particle powder, is characterized in that:

  • Be present in the particle surface of the second particle of the Li-Ni type oxide particle of granule interior at Co and/or Al, have Li-Mn based composite oxide,The concentration of manganese increases from the center of particle to particle surface,Described Li-Mn based composite oxide consist of Li 4/3mn 2/3o 2.

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