Patent Number: 7,820,334

Title: Fuel cell and oxidant distribution plate for fuel cell

Abstract: To provide a fuel cell and an oxidant distributing plate for the fuel cell. A water created in the fuel cell is used to humidify an oxidant gas and/or a fuel flowing in an opposite passage opposite to a MEA. The fuel cell includes a MEA 1, an oxidant distributing plate 3 disposed facing to an oxidant pole for supplying an oxidant gas thereto, and a fuel distributing plate 4 disposed facing to an fuel pole for supplying the fuel thereto. At least one of the oxidant distributing plate 3 and the fuel distributing plate 4 is provided with an opposite passage 31, 41 formed on an opposite surface opposite to the MEA, and a reaction passage 32, 42 formed on a facing surface facing to the MEA, and communicated with the opposite passage 31, 41.

Inventors: Zeng; Yixin (Kariya, JP), Kajio; Katsuhiro (Anjo, JP)

Assignee: Aisin Seiki Kabushiki Kaisha

International Classification: H01M 2/40 (20060101)

Expiration Date: 2018-10-26 0:00:00