US 11,817,578 B2
Silicon-based energy storage devices with silyl amine compounds or derivatives of silyl amine containing electrolyte additives
Liwen Ji, San Diego, CA (US); Benjamin Yong Park, Mission Viejo, CA (US); and Hong Zhao, Aliso Viejo, CA (US)
Assigned to Enevate Corporation, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Jun. 2, 2020, as Appl. No. 16/890,692.
Claims priority of provisional application 62/857,728, filed on Jun. 5, 2019.
Prior Publication US 2020/0388837 A1, Dec. 10, 2020
Int. Cl. H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 4/386 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0034 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An energy storage device comprising:
a first electrode and a second electrode, wherein one or both of the first electrode and the second electrode is a Si-based electrode;
a separator between the first electrode and the second electrode;
an electrolyte; and
at least one electrolyte additive comprising a silyl amine compound or derivative thereof; wherein said silyl amine compound or derivative thereof is selected from the group consisting of (Dimethylaminomethylsilyl)bis(trimethylsilyl)amine;
Bis(dimethylaminomethylsilyl)(trimethylsilyl)amine; and N,N′-Bis(trimethylsilyl)-N,N′-bis[[(trimethylsilyl)amino]dimethylsilyl]ethylenediamine.