Fuel cell power plant with electrochemical autothermal reformer

Details Fuel cell power plant with electrochemical autothermal reformer Fuel cell power plant with electrochemical autothermal reformer

1998-07-09

2000-08-29

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 24, 204DIG4, H01M 806

Patent

active

061106151

ABSTRACT:
A fuel cell power plant includes an electrochemical autothermal reformer (EATR) which provides hydrogen to the fuel cell. The EATR includes an autothermal reformer region, an anode supply region, and a mixed ion conductor membrane or metal or metal alloy membrane layer separating the autothermal reforming region from the reformer anode supply region. An anode gas loop, located between an anode supply region of the EATR and an anode compartment or section of the fuel cell circulates a mixture of hydrogen and a carrier gas between the two regions. The carrier gas ensures proper control of partial pressures of hydrogen in the two regions. A difference in operating temperature between the EATR and the fuel cell is exploited by heat exchangers which efficiently enable certain heating and cooling functions within the power plant.

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patent: 5409784 (1995-04-01), Bromberg et al.
patent: 5976724 (1999-11-01), Bloomfield

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