Fuel cell plates and assemblies

Details Fuel cell plates and assemblies Fuel cell plates and assemblies

H - Electricity

01

M

H01M 8/04 (2006.01) H01M 4/86 (2006.01) H01M 8/00 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2380637

A fuel cell plate comprises a basic plate generally adaptable to be used, for a flow of a fluid, as a cathode. The basic plate has essentially a trapezoidal top view, delimitated by a pair of longitudinal margins, and a long and short transversal margins and is provided with inlet and outlet apertures, the former being disposed parallel and close to the long transversal margin, while the latter is disposed close to the short transversal margin. The basic plate also incorporates a continuous wall, spaced from the pair of longitudinal margins and the long and short transversal margins, and extending upwardly from a top of the basic plate, the continuous wall circumscribing a flow field divided into a multiplicity of channels. Cross-sections of the flow field of the basic plate, open to the flow of fluid entering through the inlet apertures, then flowing throughout the channels and exiting through the outlet apertures, continuously diminish, so that, accordingly, velocities of the fluid continuously increase.

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