Integrated end-bus plate for fuel cell

Details Integrated end-bus plate for fuel cell Integrated end-bus plate for fuel cell

2004-12-29

2009-10-06

Kalafut, Stephen J. (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C428S458000

Reexamination Certificate

active

07597988

ABSTRACT:
An integrated end-bus plate for fuel cell stack includes main plate body and a conducting plate. The main plate body is made of corrosion resistant and non-conducting material, which inner side has at least a contacting surface provided for flatly in contact with one side of the fuel cell unit attached adjacent to the main plate body. The conducting plate which is made of electro-conducting material is integrally attached to an inner side of the main plate body to form an integrated body for electrically communicating with the reaction region of the fuel cell unit. The integrated end-bus plate is designed to overcome the conventional drawbacks including the fluid leaking between the end plate and the bus plate and the formation of metallic ions due to the electrochemical corrosion of the bus plate that generally results in causing damages to the fuel cell.

REFERENCES:
patent: 6001502 (1999-12-01), Walsh
patent: 6599619 (2003-07-01), Lane et al.
patent: 6942941 (2005-09-01), Blunk et al.
patent: 2004/0131917 (2004-07-01), Mazza et al.

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