US 11,757,111 B2
Four-fluid bipolar plate for fuel cell
Matthew P. Wilson, Groton, CT (US); Michael E. Gorman, Wellesley, MA (US); and Samuel J. Angles, Groton, CT (US)
Assigned to NIMBUS POWER SYSTEMS, INC., Groton, CT (US)
Filed by NIMBUS POWER SYSTEMS LLC, Groton, CT (US)
Filed on Jul. 12, 2022, as Appl. No. 17/863,324.
Application 17/863,324 is a continuation of application No. 17/344,377, filed on Jun. 10, 2021, granted, now 11,424,460.
Prior Publication US 2022/0399553 A1, Dec. 15, 2022
Int. Cl. H01M 8/04119 (2016.01); H01M 8/04029 (2016.01); H01M 8/0258 (2016.01)
CPC H01M 8/04134 (2013.01) [H01M 8/0258 (2013.01); H01M 8/04029 (2013.01); H01M 2250/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A bipolar plate for a fuel cell, comprising:
a nonporous sub-plate comprising a water management side, an opposing reactant side, and an internal coolant passage therebetween; and
a porous sub-plate comprising a reactant side and an opposing water management side, the reactant side comprising a first reactant flow field, and the water management side fluidly connected to the water management side of the nonporous sub-plate.