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۱Hydrogen Adsorption on Single–walled & Multi–walled Carbon Nanotubes
نویسنده(ها): ، ، ،
اطلاعات انتشار: نخستین کنگره بین المللی نانوفنآوری و کاربردهای آن در صنایع نفت، گاز و پتروشمی، سال
تعداد صفحات: ۴
Adsorption of hydrogen was studied on single and multi–walled carbon nanotubes (SWNT and MWNT) at high pressures and moderate temperatures to realize the capability of these materials for hydrogen storage. The adsorption equilibrium isotherms were measured by a static volumetric technique. The equilibrium data were obtained at the temperatures of 298, 273 and 261 K and pressure up to 70 bar. The studied MWNT showed higher amount of hydrogen adsorption than the SWNT. Experimental data of MWNT were correlated by Dubinin – Radushkevich (DR) and Dubinin – Astakhov (DA) equations as isotherm models and DA equation was found to provide a fairly good fit to the experimental data.<\div>
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