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Cited by 422

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Uncovering the Nature of Active Species of Nickel Phosphide Catalysts in High-Performance Electrochemical Overall Water Splitting

Menezes, Prashanth W., Indra, Arindam, Das, Chittaranjan, Walter, Carsten, Göbel, Caren, Gutkin, Vitaly, Schmeiβer, Dieter, Driess, Matthias·2017·ACS Catalysis

Abstract

A systematic structural elucidation of the near-surface active species of the two remarkably active nickel phosphides Ni 12 P 5 and Ni 2 P on the basis of extensive analytical, microscopic, and spectroscopic investigations is reported. The latter can serve as complementary efficient electrocatalysts in the hydrogen (HER) versus oxygen evolution reaction (OER) in alkaline media. In the OER Ni 12 P 5 shows enhanced performance over Ni 2 P due to the higher concentration of nickel in this phase, which enables the formation of an amorphous NiOOH/Ni(OH) 2 shell on a modified multiphase with a disordered phosphide/phosphite core. The situation is completely reversed in the HER, where Ni 2 P displayed a significant improvement in electrocatalytic activity over Ni 12 P 5 owing to a larger concentration of phosphide/phosphate species in the shell. Moreover, the efficiently combined use of the two nickel phosphide phases deposited on nickel foam in overall electrocatalytic water splitting is demonstrated by a strikingly low cell voltage and high stability with pronounced current density, and these catalysts could be an apt choice for applications in commercial alkaline water electrolysis.

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Metadata

Authors
Menezes, P. W., Indra, A., Das, C., Walter, C., Göbel, C., Gutkin, V., Schmeiβer, D., & Driess, M.
Venue
ACS Catalysis
Published
2016-11-29
Volume
7
Issue
1
Pages
103-109
ISSN
2155-5435 (ISSN-L)
OpenAlex
W2552766327
Cited by
422
References
9
FWCI
10.28
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Uncovering the Nature of Active Species of Nickel Phosphide Catalysts in High-Performance Electrochemical Overall Water Splitting. https://app.cochat.ai/papers/10.1021/acscatal.6b02666
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Menezes, P. W., Indra, A., Das, C., Walter, C., Göbel, C., Gutkin, V., Schmeiβer, D., & Driess, M. (2017). Uncovering the Nature of Active Species of Nickel Phosphide Catalysts in High-Performance Electrochemical Overall Water Splitting. ACS Catalysis. https://doi.org/10.1021/acscatal.6b02666

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