Differential pressure fluid flow fields for fuel cells

Details Differential pressure fluid flow fields for fuel cells Differential pressure fluid flow fields for fuel cells

H - Electricity

01

M

H01M 8/04 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2347199

Flow fields comprising a set of fluid distribution channels may be employed in fuel cells for purposes of distributing fluid reactants to an electrochemically active area of the fuel cell. Water management and reactant distribution may be improved by increasing pressure gradients between adjacent channels. Such pressure gradients may be increased by engineering the channels such that the resistance to reactant flow differs along the length of adjacent channels.

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