	US 12,015,122 B2
	Silicon-based energy storage devices with carboxylic ether, carboxylic acid based salt, or acrylate electrolyte containing electrolyte additives
Liwen Ji, San Diego, CA (US); Benjamin Yong Park, Mission Viejo, CA (US); Ian Browne, Orange, CA (US); Tracy Ho, Garden Grove, CA (US); and Sung Won Choi, San Diego, CA (US)
Assigned to Enevate Corporation, Irvine, CA (US)
Filed by Enevate Corporation, Irvine, CA (US)
Filed on Mar. 15, 2021, as Appl. No. 17/201,848.
Application 17/201,848 is a continuation of application No. 16/213,955, filed on Dec. 7, 2018, granted, now 10,978,739.
Claims priority of provisional application 62/596,079, filed on Dec. 7, 2017.
Prior Publication US 2021/0218059 A1, Jul. 15, 2021
Int. Cl. H01M 10/0567 (2010.01); H01G 11/30 (2013.01); H01G 11/32 (2013.01); H01G 11/58 (2013.01); H01G 11/64 (2013.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01)

CPC H01M 10/0567 (2013.01) [H01G 11/30 (2013.01); H01G 11/32 (2013.01); H01G 11/58 (2013.01); H01G 11/64 (2013.01); H01M 4/134 (2013.01); H01M 4/362 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0034 (2013.01)]

7 Claims

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;

a separator between the first electrode and the second electrode;

an electrolyte; and

at least one electrolyte additive comprising a compound of Formula (E)

wherein:

R₄and R₅are each independently C2-C5 alkenyl optionally substituted by alkyl;

Z is selected from the group consisting of C1-C12 alkylene substituted by alkyl, —F, —OH, or hydroxyl-alkyl, cycloalkylene,

R is independently C1-C3 alkylene optionally substituted by alkyl, —F, —OH, or hydroxyl-alkyl; and

n is an integer selected from 1-5.