Enhanced hydrogen storage capacity of copper containing mesoporous silicas prepared using different methods
2016
This paper focuses on the synthesis of mesoporous materials, Al-MCM-41, doped with copper using different methods. The results show that the method of synthesis affects the structural and textural properties of these solids. Their application in hydrogen storage shows that the adsorption is enhanced when using a solid containing Cu+2 ions, with an adsorption capacity around 1.8 wt% at 77 K, while the solids containing CuO particles present a medium adsorption capacity. Temperature variation plays a very important role in determining the adsorption capacity and the best results are obtained at 77 K.
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