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Secondary battery material and synthesis method

United States Patent

8,563,174
October 22, 2013
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A composite Li.sub.1+xMn.sub.2-x-yM.sub.yO.sub.4 cathode material stabilized by treatment with a second transition metal oxide phase that is highly suitable for use in high power and energy density Li-ion cells and batteries. A method for treating a Li.sub.1+xMn.sub.2-x-yM.sub.yO.sub.4 cathode material utilizing a dry mixing and firing process.
Liu; Hongjian (Hercules, CA), Kepler; Keith Douglas (Belmont, CA), Wang; Yu (Foster City, CA)
Farasis Energy, Inc. (Hayward, CA)
11/ 717,272
March 13, 2007
FEDERALLY SPONSORED RESEARCH The invention was made under support of the United States Government, Department of Energy, Small Business Innovative Research Grant Number DE-FG02-03ER83868. The United States has certain rights in the invention.