Porous TiNi3-based intermetallics as active and robust monolith catalysts for hydrogen evolution

Yue Qiu; Zhenli He; Yuehui He; Qian Zhao; Zhonghe Wang; Yao Jiang

doi:10.1039/D2CC05574K

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Porous TiNi₃-based intermetallics as active and robust monolith catalysts for hydrogen evolution†

Yue Qiu,^a Zhenli He,^a Yuehui He,^a Qian Zhao,^a Zhonghe Wang^a and Yao Jiang

*^a

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* Corresponding authors

^a State Key Laboratory of Powder Metallurgy, Powder Metallurgy Research Institute, Central South University, Changsha 410083, China
E-mail: jiangyao@csu.edu.cn

Abstract

Electrochemical water splitting offers an appealing method to produce hydrogen as we attempt to achieve global carbon neutrality. However, the lack of earth-abundant, low-cost, active, and stable catalysts at large current densities severely hinders its industrial applications. TiNi₃-based intermetallics as porous monolith catalysts (PMCs) exhibit an efficient hydrogen evolution reaction (HER) performance (an overpotential of 244 mV to afford 200 mA cm⁻²) and excellent stability in 1 M KOH. Theoretical calculations demonstrate that the synergetic effect between Ni and Mo can enhance HER activity. PMCs provide a new strategy to design catalysts with efficient and stable performance for industrial applications.

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Article information

DOI: https://doi.org/10.1039/D2CC05574K
Article type: Communication
Submitted: 13 Oct 2022
Accepted: 23 Nov 2022
First published: 23 Nov 2022

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Chem. Commun., 2022,58, 13943-13946

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Porous TiNi₃-based intermetallics as active and robust monolith catalysts for hydrogen evolution

Y. Qiu, Z. He, Y. He, Q. Zhao, Z. Wang and Y. Jiang, Chem. Commun., 2022, 58, 13943 DOI: 10.1039/D2CC05574K

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