Nano-modified polyanionic cathode active material, preparation method thereof, and lithium ion secondary battery

Nano-modified polyanionic cathode active material, preparation method thereof, and lithium ion secondary battery

  • CN 102,315,444 A
  • Filed: 07/08/2010
  • Published: 01/11/2012
  • Est. Priority Date: 07/08/2010
  • Status: Active Application
First Claim
Patent Images

1. a nanometer polyanion positive electrode active materials is characterized in that positive electrode active materials is the polyanion material of nanometer modification, and the molecular formula of said polyanion material is:

  • Li mM nX pO q, wherein the span of m, n, p, q is the positive count less than 10, and M is one or more metallic elements, and X is one or more elements of P, Si, S, As, Mo and W, and said polyanion material is single phase or polynary compound polyanion material;

    Presoma and dopant ion compound that the polyanion material precursor is with the metal ion that contains different crystalline phases, different crystallization temperatures, contain polyanion, contain lithium evenly mix through the mode of solid phase or liquid phase by a certain percentage, obtain through solid phase method growth or liquid phase method growth then.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×