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Hydrogen is a kind of green fuel, and is considered as the substitute oil fuel for future. Although many of literature … plant for 1000 m3 hydrogen fuels. In where, the efficiencies of hydrogen fuel generation are 29.9%, 15.6%, 10.5% and 7 … respectively; and the ratio between the combustion heat of generated hydrogen fuels and the total electric energy consumption is …
Persistent link: https://www.econbiz.de/10011209463
Hydrogen demand as an energy currency is anticipated to rise significantly in the future, with the emergence of a … hydrogen economy. Hydrogen production is a key component of a hydrogen economy. Several production processes are commercially … other hydrogen production processes. Recent advances in hydrogen production by thermochemical water decomposition are …
Persistent link: https://www.econbiz.de/10010807569
Fuel cells are clean generators that provide both electrical and thermal energy with a high global efficiency level. The characteristics of these devices depend on numerous parameters such as: temperature, fuel and oxidizer pressures, fuel and oxidizer flows, etc. Therefore, their influence...
Persistent link: https://www.econbiz.de/10010808744
Temperature–entropy diagrams combined with a pinch point analysis are introduced, providing a vivid and detailed tool to analyse two-step thermochemical water-splitting processes. The impacts of different temperature and pressure conditions, as well as different water conversion rates, are...
Persistent link: https://www.econbiz.de/10010809679
This study deals with solar hydrogen production from the two-step iron oxide thermochemical cycle (Fe3O4/FeO). This … exothermic steam hydrolysis of the reduced metal oxide (wustite) for hydrogen generation. Thermodynamic and experimental … investigations have been performed to quantify the performances of this cycle for hydrogen production. High-temperature decomposition …
Persistent link: https://www.econbiz.de/10011053367
Hydrogen, a promising and clean energy carrier, could potentially replace the use of fossil fuels in the transportation … sector. Currently, no environmentally attractive, large-scale, low-cost and high-efficiency hydrogen production process is … for CO2-free production of hydrogen. The method is environmentally friendly since it uses only water and solar energy …
Persistent link: https://www.econbiz.de/10011053676