Use of sulfur containing fuel in molten carbonate fuel cells
This patent describes improvement in a process for the production of electricity in a molten alkali metal carbonates fuel cell using a fuel gas comprising hydrogen, about 10 to about 35 volume percent CO, and about 1 ppm to about 10 ppm H{sub 2}S on a volume basis. The improvement comprises: passing the fuel gas through a porous anode comprising over about 10 weight percent copper with the remainder of the anode being substantially a metal selected from the group consisting of nickel, cobalt and mixtures thereof whereby over about 25 volume percent of the water-gas-shift equilibrium conversion of CO to H{sup 2} obtained with no H{sub 2}S present is maintained in the presence of the H{sub 2}S by use of the anode metal as the sole water-gas-shift catalyst.
- Assignee:
- Inst. of Gas Technology, Chicago, IL (United States)
- Patent Number(s):
- US 5071718; A
- Application Number:
- PPN: US 7-546504
- OSTI ID:
- 5639578
- Resource Relation:
- Patent File Date: 29 Jun 1990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CARBONATES
FUEL GAS
ELECTRICITY
PRODUCTION
FUEL CELLS
ALKALI METAL COMPOUNDS
ANODES
CARBON MONOXIDE
COBALT
CONVERSION
COPPER
EQUILIBRIUM
HYDROGEN
HYDROGEN SULFIDES
NICKEL
POROUS MATERIALS
SULFUR
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
FLUIDS
FUELS
GAS FUELS
GASES
HYDROGEN COMPOUNDS
MATERIALS
METALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENTS
300503* - Fuel Cells- Materials
Components
& Auxiliaries