首页|A concise review on surface and structural modification of porous zeolite scaffold for enhanced hydrogen storage
A concise review on surface and structural modification of porous zeolite scaffold for enhanced hydrogen storage
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Investigating zeolites as hydrogen storage scaffolds is imperative due to their porous nature and favor-able physicochemical properties. Nevertheless, the storage capacity of the unmodified zeolites has been rather unsatisfactory (0.224％-1.082％ (mass)) compared to its modified counterpart. Thus, the contemporary focus on enhancing hydrogen storage capacities has led to significant attention towards the utilization of modified zeolites, with studies exploring surface modifications through physical and chemical treatments, as well as the integration of various active metals. The enhanced hydrogen storage properties of zeolites are attributed to the presence of aluminosilicates from alkaline and alkaline-earth metals, resulting in increased storage capacity through interactions with the charge density of these aluminosilicates. Therefore, there is a great demand to critically review their role such as well-defined topology, pore structure, good thermal stability, and tunable hydrophilicity in enhanced hydrogen storage. This article aimed to critically review the recent research findings based on modified zeolite performance for enhanced hydrogen storage. Some of the factors affecting the hydrogen storage ca-pacities of zeolites that can affect the rate of reaction and the stability of the adsorbent, like pressure, structure, and morphology were studied, and examined. Then, future perspectives, recommendations, and directions for modified zeolites were discussed.
ZeolitesHydrogen storageSurface modificationAdsorptionActive metal
Centre for Research in Advanced Fluid & Processes, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, Gambang, Pahang
Faculty of Chemical & Process Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, Gambang,Pahang 26300, Malaysia
Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN), Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4,Ho Chi Minh City 755414, Viet Nam
Ministry of Higher Education Malaysia through the Fundamental Research Grant Scheme(FRGS)Ministry of Higher Education Malaysia through the Fundamental Research Grant Scheme(FRGS)
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