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LTO coated LRMO cathode and synthesis

  • US 10,640,391 B2
  • Filed: 10/16/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 10/16/2017
  • Status: Active Grant
First Claim
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1. A method of forming a composite cathode material comprising:

  • providing a lithium-rich manganese layered oxide (LRMO) having the formula xLi2MnO3.(1-x)LiMO2, wherein M is Mn, Ni, Co, Fe, Cr, Ti, Al, Mg, V, a rare earth metal, or a combination thereof, and x is less than or equal to 1 and greater than zero;

    coating the LRMO with a TiO2 precursor; and

    ball-milling the TiO2 coated LRMO with LiH to form a LixTiO2 coated LRMO composite, wherein x is less than or equal to 1 and greater than zero.

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