US 11,777,077 B2
Silicon particles for battery electrodes
Benjamin Yong Park, Mission Viejo, CA (US); Jill R. Pestana, Huntington Beach, CA (US); Xiaohua Liu, Irvine, CA (US); and Frederic Bonhomme, Foothill Ranch, CA (US)
Assigned to ENEVATE CORPORATION, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Dec. 27, 2022, as Appl. No. 18/89,014.
Application 18/089,014 is a continuation of application No. 17/721,672, filed on Apr. 15, 2022, granted, now 11,539,041, issued on Dec. 27, 2022.
Application 17/721,672 is a continuation of application No. 16/899,862, filed on Jun. 12, 2020, granted, now 11,309,536, issued on Apr. 19, 2022.
Application 16/899,862 is a continuation of application No. 15/994,972, filed on May 31, 2018, granted, now 10,707,478, issued on Jul. 7, 2020.
Claims priority of provisional application 62/596,071, filed on Dec. 7, 2017.
Prior Publication US 2023/0223512 A1, Jul. 13, 2023
Int. Cl. H01M 4/134 (2010.01); H01M 4/04 (2006.01); H01M 4/62 (2006.01); C01B 33/021 (2006.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/134 (2013.01) [C01B 33/021 (2013.01); H01M 4/0471 (2013.01); H01M 4/386 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
forming a mixture comprising a liquid and a silicon material, wherein a silicon particle of the silicon material comprises an outer region with a first concentration of aluminum; and
drying the mixture to form a treated silicon material in which the outer region of the silicon particle has a second concentration of aluminum that differs from the first concentration of aluminum.