Ballard Power Systems Corporation

Robert Boschgmbh

Manuel Schneiter

Leonore Glanz

A solid polymer electrolyte fuel cell comprises a membrane electrode assembly comprising a polymer electrolyte disposed between an anode electrode and a cathode electrode, the anode and cathode electrodes each comprising a catalyst, a central region and a peripheral region, wherein the peripheral region of the cathode electrode comprises a cathode edge barrier layer; a fluid impermeable seal in contact with at least a portion of the anode and cathode peripheral regions and the cathode edge barrier layer; an anode flow field plate adjacent the anode electrode; and a cathode flow field plate adjacent the cathode electrode, wherein the cathode flow field separator plate comprises a cathode peripheral flow channel and at least one cathode central flow channel; wherein at least a portion of the cathode edge barrier layer traverses at least a portion of the cathode peripheral flow channel.

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Braunschweig, Germany

Manuel Schneiter