ELECTRODE ACTIVE MATERIAL POWDER WITH SIZE DEPENDENT COMPOSITION AND METHOD TO PREPARE THE SAME

  • US 20100264363A1
  • Filed: 06/30/2010
  • Published: 10/21/2010
  • Est. Priority Date: 12/31/2003
  • Status: Active Grant
First Claim
Patent Images

1. A powderous electrode active material comprising:

  • a lithium transition metal oxide LiaMbO2,where 0.9<

    a<

    1.1, 0.9<

    b<

    1.1 and M comprises MnxNiyCo1−

    x−

    y
    , 0≦

    y≦

    1, 0≦

    x≦

    1, said material having particles with a distribution of sizes, andwhere the content of Mn, Co and Ni in M varies with the size of the particles.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×