Issue 32, 2016

A Ni2P nanosheet array integrated on 3D Ni foam: an efficient, robust and reusable monolithic catalyst for the hydrolytic dehydrogenation of ammonia borane toward on-demand hydrogen generation

Abstract

Ammonia borane (AB) has been considered as one of the most attractive candidates for chemical hydrogen-storage materials; it is highly desirable but still remains a huge challenge to design and develop highly active robust non-noble-metal catalysts for on-demand hydrogen generation from AB. In this work, we demonstrate that a Ni2P nanosheet array integrated on 3D Ni foam is highly active and robust for the hydrolytic dehydrogenation of AB. This monolithic catalyst behaves as an on/off switch for on-demand hydrogen generation with a large initial turnover frequency of 42.3 mol(H2) mol(Ni2P)−1  min−1 and a lower activation energy of 44.0 kJ mol−1 under ambient conditions, outperforming all reported Ni-based noble-metal-free catalysts and some noble-metal catalysts.

Graphical abstract: A Ni2P nanosheet array integrated on 3D Ni foam: an efficient, robust and reusable monolithic catalyst for the hydrolytic dehydrogenation of ammonia borane toward on-demand hydrogen generation

Supplementary files

Article information

Article type
Communication
Submitted
05 Jul 2016
Accepted
13 Jul 2016
First published
13 Jul 2016

J. Mater. Chem. A, 2016,4, 12407-12410

A Ni2P nanosheet array integrated on 3D Ni foam: an efficient, robust and reusable monolithic catalyst for the hydrolytic dehydrogenation of ammonia borane toward on-demand hydrogen generation

C. Tang, L. Xie, K. Wang, G. Du, A. M. Asiri, Y. Luo and X. Sun, J. Mater. Chem. A, 2016, 4, 12407 DOI: 10.1039/C6TA05604K

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