Lithium iron phosphate composite material, its preparation method and application

Lithium iron phosphate composite material, its preparation method and application

CN
  • CN 102,437,311 B
  • Filed: 09/29/2010
  • Issued: 01/29/2014
  • Est. Priority Date: 09/29/2010
  • Status: Active Grant
First Claim
Patent Images

1. a composite ferric lithium phosphate material, described composite ferric lithium phosphate material is that kernel is the nano_scale particle structure of lithium iron phosphate nano crystal grain, described nano_scale particle structural outer surface has the complete coating layer of nanometer carbon particles, described nanometer carbon particles coating layer outer surface is coated with Graphene, and the chemical composition of described lithium iron phosphate nano crystal grain is:

  • LiFe 1-xm xpO 4, wherein M is metal ion, 0.001≤

    x <

    1, and wherein, described M is selected from least one in magnesium, chromium, copper, zinc.

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