H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2633575
In a fuel cell stack, each separator is constructed by sequentially stacking and joining an anode-facing plate 42, a middle plate 43, and a cathode-facing plate 44. The anode-facing plate 42 has multiple hydrogen inlets 422i arranged in a two-dimensionally distributed manner on its plate surface. This arrangement effectively prevents a decrease of power generation capacity due to local accumulation of water produced in the course of electrochemical reaction for power generation or other impurities on the surface of either an anode or a cathode.
Dans l'empilement de piles à combustible selon l'invention, un séparateur est réalisé en superposant et en liant une plaque faisant face à l'anode (42), une plaque intermédiaire (43), et une plaque faisant face à la cathode (44). La plaque faisant face à l'anode (42) comporte une pluralité d'ouvertures d'introduction d'hydrogène (422i) distribuées en deux dimensions sur la surface de la plaque. Cela permet de supprimer la baisse de capacité de génération causée par une rémanence locale de l'eau générée sur la surface de l'anode ou de la cathode.
Ogawa Tomohiro
Shibata Kazunori
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
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