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Issue 4, 2018
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A review of transition-metal boride/phosphide-based materials for catalytic hydrogen generation from hydrolysis of boron-hydrides

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Abstract

Efficient hydrogen generation and storage is an essential prerequisite of a future hydrogen economy. Boron hydrides feature high volumetric density and high hydrogen generation, making them a promising candidate for chemical hydrogen storage. The development of efficient non-noble metal catalysts for on-demand hydrogen release through boron-hydride hydrolysis under mild conditions has received extensive interest. Transition-metal boride/phosphide based materials are attractive due to their advantages of earth-abundant elements, considerable catalytic activity, high stability and low cost. In this review, we summarize the recent progress in the synthesis of transition metal boride/phosphide based catalysts and their application in catalyzing hydrolysis of boron hydrides. We highlight a number of strategies to enhance the catalytic efficiency and stability of metal boride/phosphide catalysts, such as component optimizing, structure tailoring and substrate engineering. Remarkably, the supported Co–W–B catalyst enables a high H2 release rate of 15 000 mL min−1 g−1 and an activation energy lower than 30 kJ mol−1 towards the hydrolysis of NaBH4. Furthermore, the main concerns and issues like identifying a real catalytic activity center and revealing the catalytic mechanisms are also discussed, along with perspectives on future research in this field.

Graphical abstract: A review of transition-metal boride/phosphide-based materials for catalytic hydrogen generation from hydrolysis of boron-hydrides

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Publication details

The article was received on 18 Jan 2018, accepted on 18 Feb 2018 and first published on 12 Mar 2018


Article type: Review Article
DOI: 10.1039/C8QI00044A
Citation: Inorg. Chem. Front., 2018,5, 760-772
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    A review of transition-metal boride/phosphide-based materials for catalytic hydrogen generation from hydrolysis of boron-hydrides

    H. Sun, J. Meng, L. Jiao, F. Cheng and J. Chen, Inorg. Chem. Front., 2018, 5, 760
    DOI: 10.1039/C8QI00044A

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