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Old 10-30-2020, 09:13 AM
mmartin798 mmartin798 is offline
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Join Date: Feb 2014
Location: Michigan
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Fuel cells do suffer from both problems. The biggest obstacle to cost-effectiveness is the platinum used in the catalyst by most fuel cells. There is some promising work on a non-noble metal nanostructured catalyst that uses nickel, iron and cobalt that use a 25% solution of ethanol in water for fuel. They are not very big right now. Mostly on the scale of 0.8-2W, but a demonstration stack was operating with voltages between 25-40V.

Though the 4th edition HAAM suit is powered by a 10kW ethanol fuel cell. Maybe Bruce brought back some better fuel cell tech.
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