A review on advancements in solid-state hydrogen storage: The role of porous hollow carbon nanospheres

Ahmad Tarmizi, Abd Wahab and Abdulkadir, Bashir Abubakar and Siti Nurqurratulainie, Miskan and Khan, Md Maksudur Rahman and Herma Dina, Setiabudi (2025) A review on advancements in solid-state hydrogen storage: The role of porous hollow carbon nanospheres. ChemistrySelect, 10 (5). pp. 1-19. ISSN 2365-6549. (Published)

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Abstract

The hydrogen economy provides an alternative energy source that can be adopted for a long period. One of its key components is an efficient storage system, which has become a topic of significant research interest to meet the energy goals set by the US Department of Energy (DOE). The US DOE outlines the criteria for suitable hydrogen storage materials, which include cost-effectiveness (specifically $300/kg H2 by 2025 and ultimately $266/kg H2), moderate operation temperatures (233–358 K), high storage capacity (5.5 wt% 40 g/L 2025, 11 wt%, 79 g/L ultimate), efficient adsorption/desorption cycles, as well as long lifetime operation (1500 cycles). Nanomaterials, particularly porous hollow carbon nanospheres (PHCNs), have attracted considerable attention due to their high storage capacity and unique characteristics, such as high surface area, tunable pore size, and superior kinetics. As a result, PHCNs may help to increase the hydrogen storage capacity of the solid-state hydrogen storage systems. This paper offered an in-depth analysis of the applications of PHCNs in hydrogen storage, comprising their synthesis, characterization methods, infiltration techniques, and the recent progress on the catalytic effects of the materials concerning hydrogen storage. The review concluded with a suggestion for future studies to increase the storage capacity of PHCNs in solid-state hydrogen storage systems comprehensively, as it represents a pivotal step toward a hydrogen-based economy, promoting energy security, and carbon-neutral energy cycles.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Hydrogen storage; Porous hollow carbon nanospheres; Renewable energy; Solid-state system
Subjects:	T Technology > TP Chemical technology
Faculty/Division:	Faculty of Chemical & Natural Resources Engineering Institute of Postgraduate Studies Centre for Research in Advanced Fluid & Processes (Fluid Centre)
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	18 Apr 2025 01:26
Last Modified:	18 Apr 2025 01:28
URI:	http://umpir.ump.edu.my/id/eprint/44339
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