A -- HYDROGEN/OXYGEN PROTON EXCHANGE MEMBRANE FUEL CELLS POWER SYSTEMS This is a Request for Information to gather information on vendors performing current development of Proton Exchange Membrane (PEM) fuel cells. Presently, our primary focus is on hydrogen/oxygen PEM fuel cell power system that will provide electric power for an advanced, one-person space suit application. Our needs for this application fall in the power range of 50-100 watts and voltage range of 24-32 volts, and we are interested in sizing and design concepts for reduced mass and volume and increased safety and reliability, etc. Responses should include discussion of not only the stack, but also the system for handling water removal, pump controls, reactant regulation, power management, etc. Any experience with zero-gravity environments should also be discussed. Please respond to: Art Vasquez NASA/ Johnson Space Center, Mail Code EP5 2101 NASA Road 1 Houston, Texas 77058 no later than March 07, 1997. WEB: Johnson Space Center Procurement Home Page, http://www.jsc.nasa.gov/bd2/.

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