Fuel cell, fuel cell stack and method of operating a fuel cell stack

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United States of America Patent

PATENT NO 11721817
SERIAL NO

17781752

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a fuel cell (1) for a fuel cell stack (11), comprising a polymer membrane (2) which serves as an electrolyte and has respectively on both sides a catalyst layer (3, 4) for forming an anode (3) on the one side and a cathode (4) on the other side, a gas diffusion layer (5) and a bipolar plate (6) being applied to each of the two analyst layers (3, 4). According to the invention, a short-circuit element (7) is applied, preferably printed, to at least one bipolar plate (6), namely on the side facing away from the gas diffusion layer (5). The invention also relates to a fuel cell stack (11) and to a method for operating a fuel cell stack (11).

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Patent Owner(s)

  • ROBERT BOSCH GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kemmer, Helerson Vaihingen, DE 42 138
Weeber, Kai Heimsheim, DE 9 10

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