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Silicon oxide based high capacity anode materials for lithium ion batteries

United States Patent

9,601,228
March 21, 2017
View the Complete Patent at the US Patent & Trademark Office
Silicon oxide based materials, including composites with various electrical conductive compositions, are formulated into desirable anodes. The anodes can be effectively combined into lithium ion batteries with high capacity cathode materials. In some formulations, supplemental lithium can be used to stabilize cycling as well as to reduce effects of first cycle irreversible capacity loss. Batteries are described with surprisingly good cycling properties with good specific capacities with respect to both cathode active weights and anode active weights.
Deng; Haixia (Fremont, CA), Han; Yongbong (San Francisco, CA), Masarapu; Charan (Fremont, CA), Anguchamy; Yogesh Kumar (Newark, CA), Lopez; Herman A. (Sunnyvale, CA), Kumar; Sujeet (Newark, CA)
Envia Systems, Inc. (Newark, CA)
13/ 108,708
May 16, 2011
GOVERNMENT RIGHTS Development of the inventions described herein was at least partially funded with government support through U.S. Department of Energy grant ARPA-E-DE-AR0000034, and the U.S. government has certain rights in the inventions.