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Enhanced Electrocatalytic Hydrogen Oxidation on Ni/NiO/C Derived from a Nickel‐Based Metal–Organic Framework

Yang, Yang, Sun, Xiaodong, Han, Guanqun, Liu, Xi, Zhang, Xiangyu, Sun, Yongfang, Zhang, Min, Cao, Zhi, Sun, Yujie·2019·Angewandte Chemie International Edition

Abstract

The sluggish hydrogen oxidation reaction (HOR) under alkaline conditions has hindered the commercialization of hydroxide‐exchange membrane hydrogen fuel cells. A low‐cost Ni/NiO/C catalyst with abundant Ni/NiO interfacial sites was developed as a competent HOR electrocatalyst in alkaline media. Ni/NiO/C exhibits an HOR activity one order of magnitude higher than that of its parent Ni/C counterpart. Moreover, Ni/NiO/C also shows better stability and CO tolerance than commercial Pt/C in alkaline media, which renders it a very promising HOR electrocatalyst for hydrogen fuel cell applications. Density functional theory (DFT) calculations were also performed to shed light on the enhanced HOR performance of Ni/NiO/C; the DFT results indicate that both hydrogen and hydroxide achieve optimal binding energies at the Ni/NiO interface, resulting from the balanced electronic and oxophilic effects at the Ni/NiO interface.

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Metadata

Authors
Yang, Y., Sun, X., Han, G., Liu, X., Zhang, X., Sun, Y., Zhang, M., Cao, Z., & Sun, Y.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-06-27
Volume
58
Issue
31
Pages
10644-10649
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2948994301
Cited by
271
References
7
FWCI
6.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Enhanced Electrocatalytic Hydrogen Oxidation on Ni/NiO/C Derived from a Nickel‐Based Metal–Organic Framework. https://app.cochat.ai/papers/10.1002/anie.201905430
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Yang, Y., Sun, X., Han, G., Liu, X., Zhang, X., Sun, Y., Zhang, M., Cao, Z., & Sun, Y. (2019). Enhanced Electrocatalytic Hydrogen Oxidation on Ni/NiO/C Derived from a Nickel‐Based Metal–Organic Framework. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201905430

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