ION EXCHANGE MEMBRANE FUEL CELL MODULE (MANPACK FUEL CELL SYSTEM).
ARMY ELECTRONICS COMMAND FORT MONMOUTH N J
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A detailed study of the D a divinyl kenzene polymer substituted with sulfonic acid and R D membrane where a teflon polymer is substituted for the divinylbenzene type ion exchange membranes for manpack fuel cells is presented. The critical current-voltage characteristics of both R and D type of ion exchange membrane electrolyte systems are examined for their capability of meeting the requirements for Army field use. Evaluation of the experimental results shows two main causes for fuel cell break down 1 the presence of tetra hydrofuran in the fuel causing poisoning of the anode catalyst and eventual cell decay, and 2 ion exchange membrane dry-out due to low current loading and extended periods on open circuit voltage. Author
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