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US 2003/0170525 A1Published application
Heterogeneous composite bipolar plate of a fuel cell
AssigneeNational Sun Yat-Sen University
InventorsMing San Lee, Long Jeng Chen, Chin Chia Su, Ming Chih Lin
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Abstract
A bipolar plate of a fuel cell comprises a body, two flow fields, and electrically conductive fibers. The body has a central portion and a peripheral portion surrounding the central portion. The flow fields are disposed on the two sides of the central portion of the body. The electrically conductive fibers are positioned in the central portion and penetrate therethrough.
Claims39
A bipolar plate of a fuel cell comprising:
- a body defining a central portion and a peripheral portion surrounding the central portion;
- and
- a plurality of electrically conductive fibers positioned in the central portion and penetrating therethrough.
A bipolar plate of a fuel cell comprising:
- a body defining a central portion and a peripheral portion surrounding the central portion
- at least two flow fields disposed on the two sides of the central portion of the body;
- and
- a plurality of water delivery devices disposed in the central portion and penetrating therethrough for delivering water from one side of the bipolar plate to the other side of the bipolar plate.
1 more element
A fuel cell stack comprising:
- two endplates;
- a plurality of membrane electrode assemblies sandwiched between the endplates;
- and
- a plurality of bipolar plates each sandwiched between the adjacent membrane electrode assemblies, and comprising:
- a body defining a central portion and a peripheral portion surrounding the central portion;
- and
- a plurality of electrically conductive fibers positioned in the central portion and penetrating therethrough.
4 more elements
A bipolar plate of a fuel cell comprising:
- a body defining a central portion and a peripheral portion surrounding the central portion;
- and
- at least one electrical conductor positioned in the central portion and penetrating therethrough.
Dependencies are inferred from the claim text.