Hydrophobic fuel cell electrode

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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C429S006000, C429S047000

Reexamination Certificate

active

06902841

ABSTRACT:
An electrode for an electrochemical fuel cell is provided. More particularly, an electrode formed of a sheet of a compressed mass of expanded graphite particles having a plurality of transverse fluid channels passing through the sheet between first and second opposed surfaces of the sheet, is provided. The electrode is treated with a water resistant additive sufficient to provide utility as a cathode in an electrochemical fuel cell.

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WO 95/16287, Intl Publ. Date Jun. 15, 1995, Intl. Appln. No. PCT/CA94/00673, Ballard Power Systems, Inventors: Wilkinson et al.
“Relationships Between Water Management, Contamination and Lifetime Degradation in PEFC”, Jorunal of New Materials for Electrochemical Systems, 3, 99-106, (2000), J. St.-Pierre et al.

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