C211 INVESTIGATION OF POROUS GAS FLOW FIELD IN POLYMER ELECTROLYTE MEMBRANE FUEL CELL(Fuel Cell-2)

概要

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The development of high-power-density Polymer Electrolyte Membrane (PEM) fuel cells is an effective approach to widely varied commercial applications. A bipolar plate is an important component for achieving high-power-density PEM fuel cells. Our investigation focused on a novel flow distribution method for the reactant gas in order to operate at a higher current density. Two types of bipolar plates with porous flow fields were evaluated. The hybrid flow field that consists of a porous medium and stamped land structure is superior in performance to the flow field made only of a porous medium. It is considered that the reactant gas distribution was improved by the stamped land region and increased the effective working area.
一般社団法人日本機械学会の論文
2009-11-16