... value of the fuel is upgraded. solar hydrogen coal natural gas CO 2 1 Copyright © 2003 by ASME Proceedings of ISEC 2003 2003 International Solar Energy Conference Hawaii, USA, 15-18 March 2003 ISEC2003-44031 HYDROGEN PRODUCTION VIA THE SOLAR THERMAL DECARBONIZATION OF FOSSIL FUELS P. v...

... reactor zinc hydrogen fuel Copyright © 2003 by ASME 1 Proceedings of ISEC 2003 2003 International Solar Energy Conference Hawaii, USA, 15-18 March 2003 ISEC2003-44020 EXPERIMENTAL INVESTIGATION OF THE SOLAR CARBOTHERMIC REDUCTION OF ZnO USING A TWO-CAVITY SOLAR REACTOR T. Osingaa, U. Frommherzb...

... 15 10 2008 Hydrogen production from solar-driven thermochemical water splitting cycles (TCWSCs) provides an approach that is energy efficient and environmentally attractive. Of particular interest are TCWSCs that utilize both thermal ( i.e. high temperature) and light ( i.e. quantum...

... 15 10 2008 Near-term and cost-effective production of solar hydrogen from inexpensive and readily available hydrogen containing compounds (HCCs) can boost the prospects of future hydrogen economy. In this paper, we assess the prospects of solar-assisted conversion of HCCs into hydrogen...

..., for their energy needs. tides waves wind hydrogen conurbations currents salinity thalasso-thermal power biomass OCEAN ECONOMICS: MINING THE SEA FOR ENERGY A sustainable extraction ROGER H. CHARLIER les méga-projets mis à part, elles pourraient apporter une aide appréciable à l allègement du lourd...

... 15 10 2008 A very promising method for the conversion and storage of solar energy into a fuel is the dissociation of water to oxygen and hydrogen, carried out via a two-step process using metal oxide redox systems such as mixed iron oxides, coated upon multi-channeled honeycomb ceramic...

... TRACT he counter-rotating-ring receiver/reactor/recuperator ) solar thermochemical heat engine is a new concept for ction of hydrogen that allows for thermal recuperation en solids in an efficient counter-current arrangement. At art of the CR5 system are annular rings of a reactive solid...

... are shown to be comparable with those for wind rolysis. Thus, biomass-produced hydrogen could also be a le alternative, especially in areas ideally suited to the th of energy crops. Finally, the most influential life cycle stages are the struction of the Fuel Cell Vehicle (FCV) and Hydrogen uction (except...

... iron-containing ferrites with the spinel B2O4) are being proposed for two-step water- cles for the production of hydrogen from solar . These cycles consist of a thermal reduction step n (1)) in which solar energy is used to reduce the e Fe(II) state with release of O2, followed by a tion step (WO...

... 1 Copyright © 2006 by ASME Proceedings of ISEC 2006: ASME International Solar Energy Conference July 8-13, Denver, CO DRAFT ISEC2006-99118 EFFICIENT SOLAR THERMAL PROCESSES FROM CARBON BASED TO CARBON FREE HYDROGEN PRODUCTION Christian Sattler, Martin Roeb, Nathalie Monnerie, Daniela Graf German...

... directions to overcome a major impediment to achieving high efficiency – thermal recuperation between solids in efficient counter-current arrangements. They also provide inherent separation of the product hydrogen and oxygen and are an excellent match with high-concentration solar flux. However, they also...