US 11,901,543 B2
Lower pyrolysis temperature binder for silicon-dominant anodes
Monika Chhorng, Irvine, CA (US); David J. Lee, Irvine, CA (US); and Rahul Kamath, Mission Viejo, CA (US)
Assigned to ENEVATE CORPORATION, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Sep. 15, 2022, as Appl. No. 17/945,790.
Application 17/945,790 is a continuation of application No. 16/681,401, filed on Nov. 12, 2019, granted, now 11,450,841.
Prior Publication US 2023/0187604 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/1395 (2010.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01)
CPC H01M 4/0471 (2013.01) [H01M 4/0404 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 4/621 (2013.01); H01M 4/625 (2013.01); H01M 2004/027 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An anode, the anode comprising:
a current collector; and
an active material layer on the current collector, the active material layer comprising:
a plurality of silicon particles providing the anode with a silicon content of greater than 95% and up to 97% by weight of the anode; and
a pyrolytic carbon structure around the plurality of silicon particles of the active material layer, wherein the pyrolytic carbon structure comprises between 2% and 6% by weight of the anode.