US 11,843,114 B2
Core-shell composites for electrodes in metal-ion batteries
Gleb Yushin, Atlanta, GA (US); Bogdan Zdyrko, Atlanta, GA (US); Igor Luzinov, Seneca, SC (US); Vojtech Svoboda, Atlanta, GA (US); Alexander Jacobs, Atlanta, GA (US); Eugene Berdichevsky, Alameda, CA (US); and Hyea Kim, Atlanta, GA (US)
Assigned to SILA NANOTECHNOLOGIES, INC., Alameda, CA (US)
Filed by Sila Nanotechnologies, Inc., Alameda, CA (US)
Filed on Aug. 17, 2022, as Appl. No. 17/820,413.
Application 17/820,413 is a continuation of application No. 16/595,370, filed on Oct. 7, 2019, granted, now 11,424,443.
Application 16/595,370 is a continuation of application No. 14/564,472, filed on Dec. 9, 2014, granted, now 10,439,207, issued on Oct. 8, 2019.
Application 14/564,472 is a continuation of application No. 13/776,360, filed on Feb. 25, 2013, granted, now 8,932,764, issued on Jan. 13, 2015.
Claims priority of provisional application 61/604,394, filed on Feb. 28, 2012.
Prior Publication US 2022/0393158 A1, Dec. 8, 2022
Int. Cl. H01M 4/36 (2006.01); H01M 4/136 (2010.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 4/1397 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/366 (2013.01) [H01M 4/136 (2013.01); H01M 4/38 (2013.01); H01M 4/5815 (2013.01); H01M 4/5825 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 4/0421 (2013.01); H01M 4/1397 (2013.01); H01M 2004/028 (2013.01)] 39 Claims
OG exemplary drawing
 
1. A battery electrode composition, comprising:
a core-shell composite particle comprising a core and a shell,
wherein:
the core comprises (i) graphene and (ii) a Li2S active material; and
the shell comprises a metal oxide and/or a metal oxyfluoride.