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Cited by 244

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Regulating electron density of NiFe-P nanosheets electrocatalysts by a trifle of Ru for high-efficient overall water splitting

Qu, Meijiao, Jiang, Yimin, Yang, Miao, Liu, Shu, Guo, Qifei, Shen, Wei, Li, Ming, He, Rongxing·2020·Applied Catalysis B: Environmental
DOI 10.1016/j.apcatb.2019.118324
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Abstract

Abstract Highly active and stable catalysts toward hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is extremely important but challenging for overall water splitting. Herein, a strategy by modulating surface electron densities is adopted to design new catalyst: the Ru-NiFe-P nanosheets on 3D self-supported nickel foam was developed by doping a small quantity of Ru into transition metals phosphates. The designed catalyst displays excellent electrocatalytic performance in 1.0 M KOH, with low overpotentials of 44 mV at 10 mA cm−2 for HER and 242 mV at 100 mA cm−2 for OER. Particularly, it only needs 1.47 V to yield 10 mA cm−2 for overall water splitting. Density functional theory calculations reveal that Ru-incorporated NiFe-P can generate new active sites on Ru atoms and increase the catalytic activity of original P sites leading to an optimal Gibbs free-energy on catalysts surface. This work offers a new perspective for designing admirable electrocatalysts.

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Metadata

Authors
Qu, M., Jiang, Y., Yang, M., Liu, S., Guo, Q., Shen, W., Li, M., & He, R.
Venue
Applied Catalysis B: Environmental
Publisher
Elsevier BV
Published
2020-04
Volume
263
Pages
118324
ISSN
0926-3373 (ISSN-L)
DOI
10.1016/j.apcatb.2019.118324
OpenAlex
W2982996941
Cited by
244
References
5
FWCI
6.49
Type
journal article
Language
en
Open access
closed
Licence
  • www.elsevier.com/tdm/userlicense/1.0/ (tdm)
  • www.elsevier.com/legal/tdmrep-license (tdm)
Funders
National Natural Science Foundation of China

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CoChat. (2026). Citation check: Regulating electron density of NiFe-P nanosheets electrocatalysts by a trifle of Ru for high-efficient overall water splitting. https://app.cochat.ai/papers/10.1016/j.apcatb.2019.118324
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Qu, M., Jiang, Y., Yang, M., Liu, S., Guo, Q., Shen, W., Li, M., & He, R. (2020). Regulating electron density of NiFe-P nanosheets electrocatalysts by a trifle of Ru for high-efficient overall water splitting. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2019.118324

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