Zinc-Zinc Oxide Cycle
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High Quality Content by WIKIPEDIA articles! The zinc-zinc oxide cycle or Zn/ZnO cycle is a two step thermochemical process based on zinc and zinc oxide for hydrogen production with a typical efficiency around 40%. For the first endothermic step concentrating solar power is used in which zinc oxide is thermally dissociated at 1,900 °C (3,452 °F) into zinc and oxygen. In the second non-solar exothermic step zinc reacts at 427 °C (800.6 °F) with water and produces hydrogen and zinc oxide. The temperature level is realized by using a solar power tower and a set of heliostats to collect the solar thermal energy.…mehr

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High Quality Content by WIKIPEDIA articles! The zinc-zinc oxide cycle or Zn/ZnO cycle is a two step thermochemical process based on zinc and zinc oxide for hydrogen production with a typical efficiency around 40%. For the first endothermic step concentrating solar power is used in which zinc oxide is thermally dissociated at 1,900 °C (3,452 °F) into zinc and oxygen. In the second non-solar exothermic step zinc reacts at 427 °C (800.6 °F) with water and produces hydrogen and zinc oxide. The temperature level is realized by using a solar power tower and a set of heliostats to collect the solar thermal energy.