US 11,894,519 B2
Silicon-based energy storage devices with linear carbonate containing electrolyte additives
Liwen Ji, Irvine, CA (US); Benjamin Yong Park, Irvine, CA (US); Sung Won Choi, Irvine, CA (US); and Heidi Anderson, Irvine, CA (US)
Assigned to Enevate Corporation, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Sep. 27, 2022, as Appl. No. 17/953,983.
Application 17/953,983 is a continuation of application No. 16/213,873, filed on Dec. 7, 2018, granted, now 11,456,484.
Claims priority of provisional application 62/596,034, filed on Dec. 7, 2017.
Prior Publication US 2023/0115890 A1, Apr. 13, 2023
Int. Cl. H01M 10/0567 (2010.01); H01M 4/38 (2006.01); H01G 11/52 (2013.01); H01G 11/64 (2013.01); H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01G 11/42 (2013.01); H01G 11/50 (2013.01); H01G 11/06 (2013.01)
CPC H01M 10/0567 (2013.01) [H01G 11/06 (2013.01); H01G 11/42 (2013.01); H01G 11/50 (2013.01); H01G 11/52 (2013.01); H01G 11/64 (2013.01); H01M 4/134 (2013.01); H01M 4/362 (2013.01); H01M 4/386 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0034 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An energy storage device comprising:
a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode and where the silicon is present as silicon particles;
a separator between the first electrode and the second electrode;
an electrolyte; and
at least one electrolyte additive comprising a compound selected from Formulae (A), (B), and (C):

OG Complex Work Unit Chemistry
wherein:
each R1 and R2 is independently selected from the group consisting of

OG Complex Work Unit Chemistry
and absent thereby leaving a negative charge; and
R is a C1-C3 alkyl;

OG Complex Work Unit Chemistry
wherein:
each R1 and R2 is independently selected from the group consisting of

OG Complex Work Unit Chemistry
and absent thereby leaving a negative charge; and
R is a C1-C3 alkyl;
and

OG Complex Work Unit Chemistry
wherein:
each R1 and R2 is independently selected from the group consisting of

OG Complex Work Unit Chemistry
and absent thereby leaving a negative charge;
R is a C1-C3 alkyl; and
X is selected from the group consisting of an alkylene optionally substituted by

OG Complex Work Unit Chemistry
or a chloroalkyl, a cycloalkylene, and a heteroalkylene with at least one —O—.