US 11,670,792 B2
Redox flow battery and battery system
Craig E. Evans, West Linn, OR (US); Sean Casey, Portland, OR (US); Thiago Groberg, Tigard, OR (US); and Yang Song, West Linn, OR (US)
Assigned to ESS Tech, Inc., Wilsonville, OR (US)
Filed by ESS Tech, Inc., Wilsonville, OR (US)
Filed on May 5, 2021, as Appl. No. 17/308,873.
Claims priority of provisional application 63/025,234, filed on May 15, 2020.
Prior Publication US 2021/0359329 A1, Nov. 18, 2021
Int. Cl. H01M 8/18 (2006.01); H01M 8/0247 (2016.01); H01M 8/242 (2016.01); H01M 8/248 (2016.01)
CPC H01M 8/188 (2013.01) [H01M 8/0247 (2013.01); H01M 8/242 (2013.01); H01M 8/248 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A redox flow battery comprising:
a cell stack assembly including:
a plate assembly positioned on a lateral side of the cell stack assembly and comprising:
an elastic flange including a recess mated with a section of a conductive plate and compliant in at least one of a lateral direction and a vertical direction; and
a plate frame coupled to the elastic flange,
where the plate assembly is an endplate assembly, and where the plate frame is an endplate frame coupled to a pressure plate.