Abstract
AbstractThe adsorption capacities of hydrogen in Li decorated MWCNTs (Multi Walled Carbon Nano Tubes) i. e. Li@f‐MWCNTs was examined at 70 bar pressure at 253 K and 298 K temperatures. The Experimental conditions were altered by changing the concentrations of metals and solvents such as Dimethyl formamide (DMF), Triethyl amine (TEA) and Water to facilitate the adsorption/desorption of Hydrogen. TEM and SEM were used to study morphology and their structures. At different experimental conditions i. e.70 bar pressure and 253 K, the adsorption isotherms revealed that 1.13 wt % (DMF), 0.85 wt % (TEA) and 0.63 wt % (water), of hydrogen uptake capacities, was achieved by Li@f‐MWCNTs. In comparison with 298 K, at 253 K two to three‐fold increase of hydrogen storage capacity was found in all samples. Additionally, fourfold increase in hydrogen storage capacities was found in comparison with pristine materials.
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