Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 47, Issue 82, Pages 34762-34772Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2022.08.091
Keywords
Hydrogen storage; MOF; Carbon materials; Hydrogen spillover; Nickel nanoparticle; Hydrogen economy
Categories
Funding
- HEC-NRPU project
- [7737/KPK/NRPU/R D/HEC/2017]
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This study fabricates nickel nanoparticle-carbon hybrid composite via solvothermal technique and investigates its potential for hydrogen storage. The results show that carbonized Ni-MOF74 sample at 500 degrees C exhibits significantly improved hydrogen storage capacity compared to the parent material. These Ni-carbon hybrid materials are believed to be cost effective and promising for hydrogen storage.
This study fabricates nickel nanoparticle-carbon hybrid (Ni-MOF74) composite via solvothermal technique, and carbonized at different temperature under inert atmosphere, which was then used for the hydrogen storage. Morphology, crystallinity, electronic distribution and other surface properties of the synthesized material were extensively checked via different analytical techniques. Results showed that the Ni-MOF74 sample carbonized at 500 degrees C displays an improved hydrogen storage capacity of similar to 400% compared to the parent Ni-MOF74 material (0.088 vs 0.002 wt %), at 298 K and 1 atm. We believe that these Ni-carbon hybrid materials hold promising results for hydrogen storage as they show potential for storage at room temperature, and it is believed to be cost effective compared to traditionally used hydrogen spillover catalysts. (C) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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