Solar water splitting to generate hydrogen fuel : photothermal electrochemical analysis

Article Abstract:

A novel model is derived for electrochemical solar water splitting processes by semiconductors, thermal which is the first derivation of band gap restricted, thermal enhanced solar water splitting efficiencies. The theory combines photodriven charge transfer, with excess subband gap insolation to lower the water potential, providing a process of highly efficient elevated temperature solar electrolysis of water to H (sub 2) fuel.

Chemistry, Analytic, Analytical chemistry, Thermal properties

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Calcium borohydride for hydrogen storage: catalysis and reversibility

Article Abstract:

A unique solid-state synthesis route to prepare calcium borohydride, Ca[(B[H.sub.4]).sub.2] without formation of any byproducts is presented. The chemical reaction could be reversed with a theoretical capacity of 9.6 wt %, by adding a catalyst to decompose Ca[B.sub.6] and Ca[H.sub.2] and rehydride under high-hydrogen pressures and moderate temperature.

Calcium & Compounds, Technology application, Raman spectroscopy, Calcium compounds, Hydrides

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Electrolithographic investigations of the hydrophilic channels in nafion membranes

Article Abstract:

Two electrochemical methods of visualizing the pore structure which involve the creation of metal lithographs were developed using the membrane pores as templates. Hydrogen-terminated n-doped Si(III) was used to deposit gold from an electrolyte containing a gold salt.

Hydrogen, Silicon & Inorganic Compounds, Electric properties, Silicon compounds

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