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SURFACE STABILIZED CATHODE MATERIAL FOR LITHIUM ION BATTERIES AND SYNTHESIZING METHOD OF THE SAME

United States Patent Application

20180079655
A1
View the Complete Application at the US Patent & Trademark Office
A compound represented by Li.sub..alpha.Co.sub.(1-x-2y)Me.sub.x(M1M2).sub.yO.sub..delta., (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0.ltoreq.x.ltoreq.0.3, 0<y.ltoreq.0.4, 0.95.ltoreq..alpha..ltoreq.1.4, and 1.90.ltoreq..delta..ltoreq.2.10 is disclosed. Further, particles including such compounds are described.
Dai, Hongli (Los Altos, CA), Wang, Dapeng (San Jose, CA), Wu, Huiming (San Jose, CA), Strobridge, Fiona Claire (San Francisco, CA), Carter, John David (Lemont, IL), Johnson, Christopher S. (Naperville, IL), Wang, Xiaoping (Naperville, IL), Iddir, Hakim H. (Hoffman Estates, IL), Kropf, Arthur Jeremy (Westmont, IL), Li, Yan (Westmont, IL), Maroni, Victor A. (Naperville, IL), Vu, Anh D. (Lemont, IL), Yang, Zhenzhen (Lemont, IL), Gutierrez, Arturo (Naperville, IL), Cui, Yanjie (Arlington Heights, IL)
15/ 710,540
September 20, 2017
U.S. GOVERNMENT LICENSE RIGHTS [0002] This invention was made with U.S. government support under WFO Proposal No. 85F59. This invention was made under a CRADA 1500801 between Apple Inc. and Argonne National Laboratory operated for the United States Department of Energy. The U.S. government has certain rights in the invention.