Decomposition of hydrogen iodide over Pt–Ir/C bimetallic catalyst

Kinetics of hydrogen iodide decomposition over activated carbon catalysts in pellets

“…In order to get a considerable reaction rate, several catalytic systems have been investigated [11] and shown to be active, in particular Pt supported over different substrates, like carbon, alumina and ceria [12][13][14][15][16][17][18][19][20]. To reduce the cost of the metal, also Nickelsupported catalysts have been studied, both over alumina [21,22] and ceria [23,24]: our group of work showed however that Nickel catalysts suffer from deactivation problem at temperature below 700 • C due to the formation of the stable and rather volatile NiI 2 [22].…”

Activity and stability of Pt catalysts supported on carbon nanotubes, active carbon and γ-Al2O3 for HI decomposition in iodine–sulfur thermochemical cycle

“…The resulting solid was reduced by H 2 at 350 C for 2 h. The resultant catalyst was denoted as H-Pt/CNT. The other preparation method was the electroless plating method [17,20]. First, the pretreated carbon nanotubes were activated by The specific BET surface area TEM Transmission electron microscopy XRD X-ray diffractometer i n t e r n a t i o n a l j o u r n a l o f h y d r o g e n e n e r g y 3 7 ( 2 0 1 2 ) 1 0 0 2 0 e1 0 0 2 7 wetness impregnation with PdCl 2 solution, and subsequently reduced by potassium borohydride solution at room temperature.…”

Commercial activated carbon for the catalytic production of hydrogen via the sulfur–Iodine thermochemical water splitting cycle

“…For example, Zhichao Wang et al [19] analyzed activated carbon supported platinum and iridium catalysts but the role of the support was not studied. Kim et al [13] reported that activated carbon supported platinum catalysts were more active than plain activated carbon and that the amount of iodine (i.e., reaction product) remaining on the spent catalysts after reaction was higher in the absence of i n t e r n a t i o n a l j o u r n a l o f h y d r o g e n e n e r g y 3 6 ( 2 0 1 1 ) 8 9 0 8 e8 9 1 4 platinum.…”