Olivine-type lithium iron phosphate, cathode composite comprising same and method for analyzing same

Olivine-type lithium iron phosphate, cathode composite comprising same and method for analyzing same

  • CN 105,322,166 A
  • Filed: 10/21/2009
  • Published: 02/10/2016
  • Est. Priority Date: 10/22/2008
  • Status: Active Grant
First Claim
Patent Images

1. have an olivine-type lithium iron phosphate for the composition of following formula I, it comprises the Li of 0.1 ~ 5 % by weight 3pO 4, and not containing Li 2cO 3if, or there is Li 2cO 3, then Li 2cO 3content be less than 0.25 % by weight, Li 1+aFe 1-xM x(PO 4-b)X b(I) WhereinM is selected from Al, Mg, Ti and combination thereof;

  • X is selected from F, S, N and combination thereof;

    -0.5≤

    a≤

    +0.5;

    0≤

    x≤

    0.5;

    And0≤

    b≤

    0.1。

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