US 11,710,829 B2
Method and system for water based phenolic binders for silicon-dominant anodes
Sanjaya D. Perera, Irvine, CA (US); Liwen Ji, Irvine, CA (US); Younes Ansari, Irvine, CA (US); and Benjamin Park, Irvine, CA (US)
Assigned to Enevate Corporation, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Jun. 4, 2021, as Appl. No. 17/339,666.
Application 17/339,666 is a division of application No. 16/925,111, filed on Jul. 9, 2020, granted, now 11,038,176.
Prior Publication US 2022/0013782 A1, Jan. 13, 2022
Int. Cl. H01M 4/62 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/66 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/38 (2006.01); H01M 4/02 (2006.01)
CPC H01M 4/621 (2013.01) [H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 4/625 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A method of forming an electrode, the method comprising:
creating an electrode coating layer from an electrode slurry comprising an aqueous solution of a water-based phenolic binder and Si powder, with optional additives;
fabricating a battery electrode by coating the slurry on a current collector; and
pyrolyzing said electrode coating layer;
wherein the water-based phenolic binder comprises a phenolic/resol type polymer crosslinked with poly(methyl vinyl ether-alt-maleic anhydride).