Consider the possibility of extracting energy from 1 m3 of water. One approach would be to lift the water to some elevation and then to generate electricity hydroelectrically (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by electrolysis and then generate electricity the hydrogen in a proton exchange membrane fuel cell. How high would the cubic meter of water have to be lifted to provide the same total electrical energy output as the fuel cell?
Consider the possibility of extracting energy from 1 m3 of water. One approach would be to lift the water to some elevation and then to generate electricity hydroelectrically (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by electrolysis and then generate electricity the hydrogen in a proton exchange membrane fuel cell. How high would the cubic meter of water have to be lifted to provide the same total electrical energy output as the fuel cell?
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Consider the possibility of extracting energy from 1 m3 of water. One approach would be to lift the water to some elevation and then to generate electricity hydroelectrically (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by
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