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Magnesium borohydride hydrolysis with kinetics controlled by ammoniate formation
Wang M.1; Ouyang L.1; Zeng M.1; Liu J.1; Peng C.1; Shao H.2; Zhu M.1
2019-03-15
Source PublicationInternational Journal of Hydrogen Energy
ISSN03603199
Volume44Issue:14Pages:7392-7401
AbstractThe possibility of hydrogen generation by hydrolysis of magnesium borohydride and its ammoniates was explored. Results show that catalyst-free Mg(BH ) can generate 1700 mL (H )·g in 1 min, 2760 mL (H )·g in 2 h, and 3004 mL (H )·g in 5 h without any diborane (B H ) emission. Mg(BH ) presents the highest hydrogen yield reported to date. However, the hydrogen generation rate of Mg(BH ) may be too fast to be controllable in some hydrogen production cases. Therefore, NH was added to form ammoniates to further regulate the hydrogen supply kinetics of Mg(BH ) . The hydrogen yields of Mg(BH ) ·0.5NH , Mg(BH ) ·NH , Mg(BH ) ·2NH , Mg(BH ) ·3NH and Mg(BH ) ·6NH are 2376, 2029, 1780, 1665 and 1180 mL (H ) g , respectively, which demonstrates a well-controlled hydrogen supply rate. These results indicate that catalyst-free Mg(BH ) and its ammoniates have good hydrolysis performance and show promise as convenient high-density hydrogen generation materials.
KeywordAmmoniates Hydrogen generation Hydrolysis Magnesium borohydride
DOI10.1016/j.ijhydene.2019.01.209
URLView the original
Language英語
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.South China University of Technology
2.Universidade de Macau
3.Key Laboratory of Fuel Cell Technology of Guangdong Province
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GB/T 7714
Wang M.,Ouyang L.,Zeng M.,et al. Magnesium borohydride hydrolysis with kinetics controlled by ammoniate formation[J]. International Journal of Hydrogen Energy,2019,44(14):7392-7401.
APA Wang M..,Ouyang L..,Zeng M..,Liu J..,Peng C..,...&Zhu M..(2019).Magnesium borohydride hydrolysis with kinetics controlled by ammoniate formation.International Journal of Hydrogen Energy,44(14),7392-7401.
MLA Wang M.,et al."Magnesium borohydride hydrolysis with kinetics controlled by ammoniate formation".International Journal of Hydrogen Energy 44.14(2019):7392-7401.
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