Electrode material including a lithium/transition metal complex oxide

Electrode material including a lithium/transition metal complex oxide

  • CN 101,233,630 A
  • Filed: 05/05/2006
  • Published: 07/30/2008
  • Est. Priority Date: 05/06/2005
  • Status: Active Application
First Claim
Patent Images

1. by having redox characteristic and can reversibly injecting the particle of composite oxides of lithium cation or the electrode material that the graininess aggregation is formed;

  • wherein at least a portion surface coated of the particle of composite oxides or graininess aggregation has by chemical bond and/or secondary or physical bond and optional by mechanical attachment and the carbon-coating of bond is characterized in that;

    A) corresponding to formula Li iM mM '"'"' M '"'"'Z zO oN nF f(I) composite oxides, wherein;

    -Li, O, N and F represent lithium, oxygen, nitrogen and fluorine respectively;

    On behalf of one or more ,-M be selected from the element of transition metal;

    -M '"'"' represents one or more metals except that transition metal;

    -Z represents at least a nonmetal;

    -select coefficient i, m, m '"'"', z, o, n and f guaranteeing the electric neutrality of composite oxides,And meet the following conditions;

    I 〉

    =0, m>

    0, z 〉

    =0, m '"'"' 〉

    =0, o>

    0, n 〉

    =0 and f 〉

    =0;

    B) have the carbon of the GF of functional group of covalency bond;

    C) size of the particle of the composite oxides of carbon containing and graininess aggregation is, the size of at least 90% particle exists as if the form of particle with aggregation between 1nm to 5 μ

    m, and then the size of at least 90% graininess aggregation is between 10nm to 10 μ

    m.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×