... is superior to the others. 09 05 2005 28 11 2007 08 09 2008 ceramics ferrites hydrogen economy iron nickel compounds solid solutions yttrium compounds zinc compounds YSZ solar hydrogen production two-step water splitting process Hydrogen can be produced by a two...

... 2007 chemical analysis hydrogen economy iron reduction (chemical) solar energy concentrators solar heating thermochemistry X-ray diffraction yttrium compounds zirconium compounds solar chemistry concentrated solar heat solar hydrogen thermochemical water splitting redox metal...

... yttrium compounds Gas phase temperature measurements at the focus of a solar furnace are always made difficult by the presence of concentrated radiation. The high energy fluxes preclude, most of the time, the use of intrusive methods. Optical spectroscopy is a technique that allows to go beyond...

... 1998 01 Feb 2000 plasma deposited coatings light absorption zirconium compounds oxygen compounds yttrium compounds spray coatings solar energy conversion The recent developments of solar technologies and processes at high temperature reinforce the needs for reliable coatings...