Hydrocarbon fuelled fuel cell power system

Details Hydrocarbon fuelled fuel cell power system Hydrocarbon fuelled fuel cell power system

1995-05-05

1996-06-18

Nuzzolillo, M.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 17, 429 19, 429 20, 429 21, 429 23, 429 25, H01M 802

Patent

active

055276326

ABSTRACT:
A hydrocarbon fuelled fuel cell power system comprises a fuel cell stack, a reformer and a hydrogen store. The reformer is arranged periodically to supply reformate, which contains hydrogen, to the fuel cell stack and to the hydrogen store. The hydrogen store is arranged to store the hydrogen from the reformate during the periods that the reformer operates. The hydrogen store is arranged to supply hydrogen to the fuel cell stack during periods of low load demands on the fuel cell stack and is capable of supplying hydrogen rapidly to the fuel cell stack for high load demands on the fuel cell stack. The hydrogen store also supplies hydrogen to the reformer to light up the reformer. The hydrogen store buffers the fast response of the fuel cell stack and the relatively slower response of the reformer during relatively large rapid demands on the fuel cell stack and enables the reformer to be operated in an on/off mode.

REFERENCES:
patent: 4349613 (1982-09-01), Winsel
patent: 4659634 (1987-04-01), Struthers
patent: 4904548 (1990-02-01), Tajima
patent: 5229222 (1993-07-01), Tsutumi et al.

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