US 11,942,642 B1
Electrolytes and components thereof
Judith Alvarado Kim, San Leandro, CA (US); Liyuan Sun, Mountain View, CA (US); Soo Kim, Fremont, CA (US); Tae Kyoung Kim, Albany, CA (US); and Ki Tae Park, Santa Clara, CA (US)
Assigned to Rivian IP Holdings, LLC, Irvine, CA (US)
Filed by Rivian IP Holdings, LLC, Plymouth, MI (US)
Filed on Oct. 26, 2022, as Appl. No. 18/049,859.
Int. Cl. H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 10/0565 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 4/62 (2013.01) [H01M 10/0565 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0028 (2013.01); H01M 2300/0082 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a battery cell comprising an electrode;
a first liquid electrolyte disposed in the battery cell;
a second liquid electrolyte disposed in the battery cell, the second liquid electrolyte different from the first liquid electrolyte;
a first solid electrolyte interphase on the electrode, the first solid electrolyte interphase formed from decomposition of the first liquid electrolyte having a salt concentration greater than or equal to 1 M; and
a second solid electrolyte interphase on the electrode, the second solid electrolyte interphase formed from decomposition of the second liquid electrolyte.