To provide focus and support to the development and introduction of renewable hydrogen, the U.S.Department of Energy's Hydrogen Program has sponsored work to evaluate the technical, conomic, and environmental aspects of different technologies. An important option for the production of hydrogen from renewables is from water by conversion of solar and wind energy. A study was made of the relative economic viability of three technologies: direct photoelectrocemical (PEC) conversion of sunlight, photovoltaic (PV)-generated electricity production followed by electrolysis, and wind-generated electricity production followed by electrolysis. PEC is an alternative to PV/electrolysis systems, combining a semiconductor and an electrocatalyst into a single monolithic device.
展开▼
