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Cited by 240

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Highly Efficient and Robust Nickel Phosphides as Bifunctional Electrocatalysts for Overall Water-Splitting

Li, Jiayuan, Li, Jing, Zhou, Xuemei, Xia, Zhaoming, Gao, Wei, Ma, Yuanyuan, Qu, Yongquan·2016·ACS Applied Materials & Interfaces

Abstract

To search for the efficient non-noble metal based and/or earth-abundant electrocatalysts for overall water-splitting is critical to promote the clean-energy technologies for hydrogen economy. Herein, we report nickel phosphide (NixPy) catalysts with the controllable phases as the efficient bifunctional catalysts for water electrolysis. The phases of NixPy were determined by the temperatures of the solid-phase reaction between the ultrathin Ni(OH)2 plates and NaH2PO2·H2O. The NixPy with the richest Ni5P4 phase synthesized at 325 °C (NixPy-325) delivered efficient and robust catalytic performance for hydrogen evolution reaction (HER) in the electrolytes with a wide pH range. The NixPy-325 catalysts also exhibited a remarkable performance for oxygen evolution reaction (OER) in a strong alkaline electrolyte (1.0 M KOH) due to the formation of surface NiOOH species. Furthermore, the bifunctional NixPy-325 catalysts enabled a highly performed overall water-splitting with ∼100% Faradaic efficiency in 1.0 M KOH electrolyte, in which a low applied external potential of 1.57 V led to a stabilized catalytic current density of 10 mA/cm(2) over 60 h.

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Crossref · 10.1021/acsami.6b00731

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Metadata

Authors
Li, J., Li, J., Zhou, X., Xia, Z., Gao, W., Ma, Y., & Qu, Y.
Venue
ACS Applied Materials & Interfaces
Published
2016-04-20
Volume
8
Issue
17
Pages
10826-10834
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2322460172
Cited by
240
References
19
FWCI
9.83
Type
journal article
Language
en
Open access
closed

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