2021
DOI: 10.9767/bcrec.16.2.10220.280-285
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Hydrogen Desorption Properties of MgH2 + 10 wt% SiO2 + 5 wt% Ni Prepared by Planetary Ball Milling

Abstract: MgH2 is a very hopeful material for application as hydrogen storage material in the solid form. This is due to its reversibility and its ability to store large amounts of hydrogen, which is 7.6 wt%. However, this material still has weaknesses, namely high operating temperature and slow kinetic reactions. Various attempts have been made to overcome this weakness, including downsizing and adding catalyst. In this study, double catalyst was used, namely natural silica extracted from rice husk ash and nickel nano … Show more

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Cited by 26 publications
(4 citation statements)
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“…However, hydrogen desorption requires high operating temperatures and kinetic reactions are very slow. Silicon dioxide, nano nickel, and titanium have been used as catalysts to improve the thermodynamic properties of MgH 2 [9][10][11]. In a liquid state storage system, up to 30% of energy is consumed in liquifying and storing hydrogen.…”
Section: Hydrogen Storage and Transportationmentioning
confidence: 99%
See 1 more Smart Citation
“…However, hydrogen desorption requires high operating temperatures and kinetic reactions are very slow. Silicon dioxide, nano nickel, and titanium have been used as catalysts to improve the thermodynamic properties of MgH 2 [9][10][11]. In a liquid state storage system, up to 30% of energy is consumed in liquifying and storing hydrogen.…”
Section: Hydrogen Storage and Transportationmentioning
confidence: 99%
“…For these metals and for metal hydrides, equation (12) would be the rate-determining step. In contrast, for metals such as ruthenium and platinum, equation (11) is the rate-determining • Structure.…”
Section: +  +mentioning
confidence: 99%
“…In recent years, the field of solid hydrogen storage materials has undergone extensive research. [9][10][11][12][13] However, it is worth noting that metal clusters exhibit superior performance on the capacity, cycle life and rates of hydrogenation and dehydrogenation compared to conventional hydrogen storage materials. [14][15][16][17][18] The unique 4f orbitals and abundant electronic energy levels of rare earth elements enable their doping and modification for enhanced hydrogen storage performance, rendering it an increasingly significant focus.…”
Section: Introductionmentioning
confidence: 99%
“…These challenges have spurred increased research and applications related to materials capable of storing hydrogen in the solid phase. Materials such as carbon nanotubes [ 22 24 ], metal hydrides and amine boranes [ 25 26 ], nanomaterials [ 27 ], and organometallic structures [ 28 ] are among those explored. Among these materials, amine-boranes and their derivatives have come to the forefront due to their stable structures, high hydrogen content per unit volume, being economical and environmentally friendly and have been the subject of many studies [ 29 35 ].…”
Section: Introductionmentioning
confidence: 99%