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Paper Title :
Hydrogen Uptake of Mechanically Milled LaNi5-MWCNTs Nanocomposite

Author :Sami Ullah Rather

Article Citation :Sami Ullah Rather , (2018 ) " Hydrogen Uptake of Mechanically Milled LaNi5-MWCNTs Nanocomposite " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 86-89, Volume-6, Issue-4, Spl. Iss-1

Abstract : LaNi5-MWCNTs nanocomposite was prepared by high-energy ball milling and their hydrogen storage capacity properties were studied by employing Sievert’s volumetric instrument. Crystal structure, thermal stability, quantity, and nanostructured characterization of pristine and composite samples were performed by X-ray diffraction pattern, thermogravimetric and differential thermal analysis, field emission scanning and transmission electron microscopy methods. Channel and pore blocking of MWCNTs by LaNi5 during synthesis method explains reduction of surface area of composite. Hydrogen uptake of commercial LaNi5, pristine MWCNTs, and LaNi5-MWCNTs nanocomposite was found to be 1.49, 0.07, and 1.53 wt.% measured at RT and hydrogen pressure of 4.0 MPa. Ball milling process and addition of MWCNTs to LaNi5 alloy proved to be very critical to improve kinetics. Keywords - Ball milling, Hydrogen storage; Nanocomposite; Crystal structure; Kinetics

Type : Research paper

Published : Volume-6, Issue-4, Spl. Iss-1


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-14319   View Here

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