Issue 39, 2023

Noble-metal-free Ni10MoCox/Mo–Ni–O as an active and durable catalyst for hydrogen generation from hydrazine monohydrate

Abstract

Catalytic decomposition of hydrazine monohydrate (N2H4·H2O) has emerged as a promising hydrogen generation technology for vehicular and mobile applications. However, existing catalysts are plagued by either excessive cost or poor catalytic performance. We herein report a successful implementation of a surface alloying strategy to fabricate a high-performance and cost-effective catalyst for hydrogen generation from N2H4·H2O using the Ni10Mo/Mo–Ni–O catalyst as the starting material. Incorporation of a small amount of Co by strong electrostatic adsorption method improved the overall catalytic performance. The resulting Ni10MoCox/Mo–Ni–O catalyst achieved a turnover frequency of 461 h−1 at 70 °C, with 95% activity retention after 10 cycles, outperforming reported non-precious metal catalysts. Using this catalyst, we developed a high-capacity N2H4·H2O-based hydrogen generation system with rapid response. Our finding highlights the significant potential of multi-component alloys in achieving exceptional catalytic performance and may encourage future exploration of catalytic decomposition of N2H4·H2O as an advanced on-demand hydrogen generation technology.

Graphical abstract: Noble-metal-free Ni10MoCox/Mo–Ni–O as an active and durable catalyst for hydrogen generation from hydrazine monohydrate

Supplementary files

Article information

Article type
Paper
Submitted
02 Aug 2023
Accepted
21 Sep 2023
First published
23 Sep 2023

J. Mater. Chem. A, 2023,11, 21411-21419

Noble-metal-free Ni10MoCox/Mo–Ni–O as an active and durable catalyst for hydrogen generation from hydrazine monohydrate

S. Qin, Y. Qiu, M. Chen and P. Wang, J. Mater. Chem. A, 2023, 11, 21411 DOI: 10.1039/D3TA04602H

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