Thursday 26 November 2009

Focus: Titanate Cathode Materials for Li-ion Batteries

Lithium metal titanate and zironate compounds phases are currently experiencing significant interest as potential new cathode active materials for next generation Li-ion batteries. Jerry Barker (and co-workers) is the named inventor on the issued US patents covering the use of LiMTiO4 and LiMZrO4 (where M= +3 oxidation state transition metal, US#6,103,419); and Li2MTiO4 and Li2MZrO4 (where M = +2 oxidation state transition metal, US#6,720,113) materials; in these energy storage applications.

Further information about these materials and their performance in Li-ion cells may be found in the issued US patents. Links to these patents may be found here:

J.Barker et al. US#6103419; LiMTiO4 and LiMZrO4 Cathode Materials (M = V, Cr, Fe, Mn etc.)

J.Barker et al. US#6720113; Li2MTiO4 and Li2MZrO4 Cathode Materials (M= Fe, Mn, Ni, Co etc.)

The US patent covering the novel synthesis method for some of these materials may be found here:

J.Barker et al. US#6706445; Titanate and Zirconate Synthesis Method

Jerry

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