Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Method of making a fuel cell – fuel cell stack – or...
Reexamination Certificate
2009-07-28
2011-10-04
Walker, Keith (Department: 1726)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Method of making a fuel cell, fuel cell stack, or...
C429S423000, C429S486000, C429S527000, C429S533000
Reexamination Certificate
active
08029946
ABSTRACT:
A high temperature, redox tolerant fuel cell anode electrode and method of fabrication in which the anode electrode is pre-conditioned by application of an initial controlled redox cycle to the electrode whereby an initial re-oxidation of the anode electrode is carried out at temperatures less than or equal to about 650° C.
REFERENCES:
patent: 2003/0124412 (2003-07-01), Barnett et al.
patent: 1 343 215 (2003-09-01), None
Redox cycling of Ni-YSZ anode investigated by TPR technique; Yun Zhang et al.; Solid State Ionics 176 (2005); pp. 2193-2199.
Wood, A. et al., “Initial Testing of Solutions to Redox Problems with Anode-Supported SOFC”, Journal of the Electrochemical Society, 153 (10) A1929-A1934 (2006).
Zhang, Yun et al., “Redox cycling of Ni-YSZ anode investigated by TPR techniques”, Solid State Ionics, 176 (2005) 2193-2199.
Gut, B. et al., “Anode supported PEN for SOFC—Pressed substrates for spray pyrolysed and co-sintered electrolyte; Redox stability and alternative anode”, Jahersbericht Energieforshung, (Dec. 15, 2001) pp. 1-6.
International Search Report and Written Opinion, PCT/IB2005/004154, dated Mar. 15, 2007, 12 pages.
Waldbillig David
Wood Anthony
Kilpatrick Townsend & Stockton LLP
Versa Power Systems Ltd.
Walker Keith
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