of 3 x 10(-16) cm(2) for He and 17 x 10(-16) cm(2) for N has been measured for the ion-thin-film interaction phenomena, The structure crystalline silicon/thermally grown SiO2/PECVD film has also been investigated for the hydrogen radiation-enhanced diffusion in thermally grown SiO2. ...
By combining the experimental data and state-of-the-art models, we discuss the recent progress in understanding crossover mechanisms. The dominant mechanism for hydrogen crossover is the diffusion driven by both the high hydrogen partial pressures at the cathode and supersaturation in the catalyst ...
The Knudsen diffusion model demonstrates the movement of Si atoms into the storage matrix (D = the diffusion coefficient for the mobility of hydrogen atoms on the Si surface) and is dominated by the molecular wall collision [369]. The Coefficient D is expressed by equation (17), where Ve ...
The solubility in the form of hydrogen molecules estimated by the permeability and diffusion coefficient values was two orders of magnitude smaller than that of hydrogen dissolved in the form of hydroxyl radicals. The migration rate of the hydrogen in the form of hydroxyl radicals is far smaller ...
Biomass-based hydrogen production is an innovative approach for realizing carbon-neutral energy solutions. Despite their promise, both structures differ in terms of the biomass energy domain, which is at the entry point of the technology, and the hydroge
Carbon-rich sources, such as coal and carbon monoxide gas, have been extensively used in the metal industry as the reducing agent of metal oxides and as th
Solubility of Nitrogen, Carbon, and Hydrogen in FeO-Na2O-Al2O3-SiO2 Melt and Liquid Iron Alloy: Influence of Oxygen Fugacity Reactions of nitrogen, carbon, and hydrogen with F Kadik,A A.,Plotnichenko,... - 《Geochemistry International》 被引量: 3发表: 2015年 Solubility and diffusion of ...
g SiO2 deposition and release hole etching. h TMAH etching and other factors also produce common-mode interfer- ence. Therefore, the reference thermopile for eliminating the common-mode interference is very important in the sensor. To improve the sensitivity of the thermopile, single- crystalline ...
The effective diffusion coefficient for hydrogen in water-saturates caprock is estimated as 3.0 × 10−11 m2s−1, meaning that substantial diffusion over the storage period is unlikely. The potential for specific mineral reactions within underground hydrogen storage (UHS) largely depends on the ...
Composite membranes are constituted by a thin dense layer of palladium or its alloy deposited onto porous supports such as porous Vycor glass (silica gel), SiO2, Al2O3, and B2O3 or porous stainless steel (PSS). The supports having a thermal expansion coefficient close to the palladium allow...