US 12,431,482 B2
Silicon oxide based high capacity anode materials for lithium ion batteries
Haixia Deng, Fremont, CA (US); Yongbong Han, San Francisco, CA (US); Charan Masarapu, Fremont, CA (US); Yogesh Kumar Anguchamy, Newark, CA (US); Herman A. Lopez, Sunnyvale, CA (US); and Sujeet Kumar, Newark, CA (US)
Assigned to Ionblox, Inc., Fremont, CA (US)
Filed by Zenlabs Energy, Inc., Fremont, CA (US)
Filed on Apr. 13, 2022, as Appl. No. 17/720,047.
Application 17/720,047 is a continuation of application No. 15/425,696, filed on Feb. 6, 2017.
Application 15/425,696 is a continuation of application No. 13/108,708, filed on May 16, 2011, granted, now 9,601,228, issued on Mar. 21, 2017.
Prior Publication US 2022/0246902 A1, Aug. 4, 2022
Int. Cl. H01M 4/131 (2010.01); H01B 1/12 (2006.01); H01M 4/02 (2006.01); H01M 4/134 (2010.01); H01M 4/136 (2010.01); H01M 4/38 (2006.01); H01M 4/48 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 4/131 (2013.01) [H01B 1/122 (2013.01); H01M 4/134 (2013.01); H01M 4/136 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2004/027 (2013.01); H01M 4/622 (2013.01); H01M 4/624 (2013.01); H01M 4/625 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lithium ion battery comprising a positive electrode comprising a lithium metal oxide, a negative electrode, a separator between the positive electrode and the negative electrode, and an electrolyte comprising lithium ions and from about 5 volume percent to about 18 volume percent halogenated carbonate, wherein the negative electrode comprises particulate silicon oxide based active material comprising a silicon oxide carbon composite composition, wherein the silicon oxide carbon composite composition comprises silicon oxide having an amorphous carbon coating and is preloaded with lithium within the active material in a particulate form with no additional supplemental lithium in the battery at assembly, and wherein the negative electrode further comprises from about 1 weight percent to about 30 weight percent electrically conductive additive comprising graphite powder and carbon black.