Fuel cell, electrolytic cell and process of cooling and/or dehumidifying same
AssigneesTanaka Kikinzoku Kogyo K. K., Masahiro Watanabe
InventorMasahiro Watanabe
Life of this patent
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Abstract
Disclosed herein are an fuel cell and/or an electrolytic cell which comprises a plurality of unit cells, and one or more separator plates having one or more anode gas supply grooves and one or more cathode gas supply grooves inserted between two adjacent unit cells, at least part of the anode gas supply grooves and the cathode gas supply grooves being overlapped in the direction of the width of the separator plate, and a process of cooling and/or dehumidifying the fuel cell and/or the electrolytic cell by flowing a reaction gas thereto. The most preferable separator plate is such that the anode gas supply grooves and the cathode gas supply grooves are separated by a thin separator wall made of a metal or an electrocondutive resin.
Claims18
A fuel cell comprising a plurality of unit cells comprising an anode;
- an ion exchange membrane;
- a cathode;
- at least one separator plate inserted between two adjacent unit cells, said separator plate containing at least one anode gas supply groove disposed as a zigzag continuous groove facing the anode and at least one cathode gas supply groove, at least part of the anode gas supply grooves and the cathode gas supply grooves being overlapped in the direction of the width of the separator plate;
- and a manifold connecting a plurality of anode gas supply grooves and cathode gas supply grooves of said plurality of unit cells, said manifold being disposed externally on the edge of the electrodes or internally passing through the separator plates.
A fuel cell comprising a plurality of unit cells comprising an anode;
- an ion exchange membrane;
- a cathode;
- at least one separator plate inserted between two adjacent unit cells, said separator plate containing at least one anode gas supply groove disposed as a zigzag continuous groove facing the anode and at least one cathode gas supply groove, at least part of the anode gas supply grooves and the cathode gas supply grooves being overlapped in the direction of the width of the separator plate, a ratio between the cross sectional area of the cathode gas supply groove and the cross sectional area of the anode gas supply groove being 3 to 1.
An electrolytic cell comprising a plurality of unit cells comprising an anode;
- an ion exchange membrane;
- a cathode;
- at least one separator plate inserted between two adjacent unit cells, said separator plate containing at least one anode gas supply groove disposed as a zigzag continuous groove facing the anode and at least one cathode gas supply groove, at least part of the anode gas supply grooves and the cathode gas supply grooves being overlapped in the direction of the width of the separator plate;
- and a manifold connecting a plurality of anode gas supply grooves and cathode gas supply grooves of said plurality of unit cells, said manifold being disposed externally on the edge of the electrodes or internally passing through the separator plates.
A electrolytic cell comprising a plurality of unit cells comprising an anode;
- an ion exchange membrane;
- a cathode;
- at least one separator plate inserted between two adjacent unit cells, said separator plate containing at least one anode gas supply groove disposed as a zigzag continuous groove facing the anode and at least one cathode gas supply groove, at least part of the anode gas supply grooves and the cathode gas supply grooves being overlapped in the direction of the width of the separator plate, a ratio between the cross sectional area of the cathode gas supply groove and the cross sectional area of the anode gas supply groove being 3 to 1.
Dependencies are inferred from the claim text.