SIMPLIFIED HYDRAZINE-AIR FUEL CELL.
Quarterly rept. no. 1, 4 Nov 68-3 Feb 69,
UNION CARBIDE CORP PARMA OHIO FUEL CELL DEPT
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This report discusses the goal to improve the performance of a hydrazine-air fuel cell to meet higher requirements. The desired level of performance has been raised to a minimum voltage of 0.70 volt at 6 amperes and 0.65 volt at 14 amperes. It was obvious that the first requirement would be to reduce the resistance drop introduced by the membrane. As a result, the original membrane separator has been abandoned in favor of a protective coating applied directly to the electrodes. Additional protection has been provided by a double-anode construction. The hydrazine is now injected between the anodes instead of being fed into the anode-cathode space. Further protection results from the use of reversed cathodes in which the active carbon layer is separated from the electrolyte by a porous nickel barrier with the previously used electrodes, the carbon was in direct contact with the electrolyte. Bicells of specified dimensions have been studied and samples built. At this stage of the work it is felt that the major obstacles have been overcome, and the final cell design has been essentially established. Author
- Electric Power Production and Distribution