Fabrication of fuel cell electrodes and other catalytic structures
A porous layer of catalyst material suitable for use as an electrode in a molten carbonate fuel cell includes elongated pores substantially extending across the layer thickness. The catalyst layer is prepared by depositing particulate catalyst material into polymeric flocking on a substrate surface by a procedure such as tape casting. The loaded substrate is heated in a series of steps with rising temperatures to set the tape, thermally decompose the substrate with flocking and sinter bond the catalyst particles into a porous catalytic layer with elongated pores across its thickness. Employed as an electrode, the elongated pores provide distribution of reactant gas into contact with catalyst particles wetted by molten electrolyte. 1 fig.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- ANL; ERA-14-000761; EDB-88-183974
- Patent Number(s):
- PATENTS-US-A6013472
- OSTI ID:
- 6813153
- Resource Relation:
- Other Information: Paper copy only, copy does not permit microfiche production
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ELECTRODES
FABRICATION
MOLTEN CARBONATE FUEL CELLS
ANODES
CATALYSTS
CATHODES
DESIGN
ELECTROLYTES
INVENTIONS
IRON COMPOUNDS
LITHIUM COMPOUNDS
NICKEL OXIDES
ALKALI METAL COMPOUNDS
CHALCOGENIDES
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
FUEL CELLS
HIGH-TEMPERATURE FUEL CELLS
NICKEL COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
300501* - Fuel Cells- Design & Development
300503 - Fuel Cells- Materials
Components
& Auxiliaries