Consider the possibility of extracting energy from 1 m3 of water. One approach would be to lift the water to some elevation and then generate electricity hydro-electrically 9 (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by electrolysis and then generate electricity from the hydrogen in a proton exchange membrane fuel cell. The efficiency of pumped hydroelectric storage is 80% and the efficiency of fuel cells is 40%. 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 generate electricity hydro-electrically 9 (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by electrolysis and then generate electricity from the hydrogen in a proton exchange membrane fuel cell. The efficiency of pumped hydroelectric storage is 80% and the efficiency of fuel cells is 40%. How high would the cubic meter of water have to be lifted to provide the same total electrical energy output as the fuel cell?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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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 generate electricity hydro-electrically 9 (i.e., pumped hydroelectric storage). The second approach would be to produce hydrogen from the water by electrolysis and then generate electricity from the hydrogen in a proton exchange membrane fuel cell. The efficiency of pumped hydroelectric storage is 80% and the efficiency of fuel cells is 40%. 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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