Siemens Energy Global Gmbh & Co. Kg

Frank Bärnreuther

Torsten Brandt

Ottmar Voitlein

Michael Braunecker

Hans-Jürgen Beie

A bipolar plate for an electrochemical cell, includes a flow space arranged between a first and a second plate element and has a flow inlet and a flow outlet for a coolant flowing through the flow space. Each plate element has a contact plane for contacting the other plate element and, between the flow inlet and the flow outlet, a plurality of elevations protrude from the contact plane and face away from the other plate element. The elevations have openings facing the contact plane. First flow channels are formed through the openings in the elevations by the elevations of the two plate elements being offset from one another. Each elevation at least partially overlaps at least one elevation of the other plate element. A direction-dependent flow resistance is set in the first flow channels of the bipolar plate.

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Neustadt Aisch, Germany

Frank Bärnreuther