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Hydrogen generation properties and the hydrolysis mechanism of Zr(BH4)4·8NH3
Wu D.1; Ouyang L.1; Liu J.1; Wang H.1; Shao H.2; Zhu M.1
Source PublicationJournal of Materials Chemistry A
ISSN20507496 20507488

Zr(BH)·8NH is considered to be a promising solid-state hydrogen-storage material, due to its high hydrogen density and low dehydrogenation temperature. However, the release of ammonia hinders its practical applications. To further reduce the dehydrogenation temperature and suppress ammonia release, here we investigated its hydrolysis process to evaluate its hydrogen generation performance. The results showed that the hydrolysis of Zr(BH)·8NH in water can generate about 1067 mL g pure hydrogen in 240 min at 298 K without the release of diborane or ammonia impurity gases. With heat-assistance, the hydrogen generation rate can be significantly enhanced, and its activation energy was calculated to be 29.38 kJ mol. The hydrolysis mechanism was clarified. The results demonstrate that Zr(BH)·8NH may work as one promising hydrogen generation material.

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Indexed BySCI
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000407641200018
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Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Affiliation1.South China University of Technology
2.Universidade de Macau
3.China-Australia Joint Laboratory for Energy and Environmental Materials
4.Key Laboratory of Fuel Cell Technology of Guangdong Province
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GB/T 7714
Wu D.,Ouyang L.,Liu J.,et al. Hydrogen generation properties and the hydrolysis mechanism of Zr(BH4)4·8NH3[J]. Journal of Materials Chemistry A,2017,5(32):16630-16635.
APA Wu D.,Ouyang L.,Liu J.,Wang H.,Shao H.,&Zhu M..(2017).Hydrogen generation properties and the hydrolysis mechanism of Zr(BH4)4·8NH3.Journal of Materials Chemistry A,5(32),16630-16635.
MLA Wu D.,et al."Hydrogen generation properties and the hydrolysis mechanism of Zr(BH4)4·8NH3".Journal of Materials Chemistry A 5.32(2017):16630-16635.
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