Fuel cell power system

Details Fuel cell power system Fuel cell power system

2005-05-03

2005-05-03

Crepeau, Jonathan (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S010000, C429S006000

Reexamination Certificate

active

06887604

ABSTRACT:
A fuel cell power system practical for use in a vehicle includes a fuel cell, a first hydrogen storage vessel having a first hydrogen absorbing material storing and releasing hydrogen, a catalytic combustor that heats the first hydrogen storage vessel so as to release hydrogen in order to supply hydrogen to the fuel cell, and a second hydrogen storage vessel having a second hydrogen absorbing material storing and releasing hydrogen and has a hydrogen release temperature that is lower than that of the first hydrogen absorbing material, the second hydrogen storage vessel releasing hydrogen as a fuel for the catalytic combustor under heating by waste heat from the fuel cell. Since the catalytic combustor can generate high temperature heat, a hydrogen absorbing material having a high hydrogen release temperature and a high hydrogen storage capacity per unit weight can be used as the first hydrogen absorbing material.

REFERENCES:
patent: 5366820 (1994-11-01), Tsutsumi et al.
patent: 5987895 (1999-11-01), Nishimura et al.
patent: 6195999 (2001-03-01), Arnold et al.
patent: 6427639 (2002-08-01), Andrews et al.
patent: 6447939 (2002-09-01), Iwasaki
patent: 6589312 (2003-07-01), Snow et al.

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