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Efficient and Stable Bifunctional Electrocatalysts Ni/NixMy (M = P, S) for Overall Water Splitting

Open access
Chen, Gao‐Feng, Ma, Tian Yi, Liu, Zhao‐Qing, Li, Nan, Su, Yu‐Zhi, Davey, Kenneth, Qiao, Shi‐Zhang·2016·Advanced Functional Materials

Abstract

Development of easy‐to‐make, highly active, and stable bifunctional electrocatalysts for water splitting is important for future renewable energy systems. Three‐dimension (3D) porous Ni/Ni 8 P 3 and Ni/Ni 9 S 8 electrodes are prepared by sequential treatment of commercial Ni‐foam with acid activation, followed by phosphorization or sulfurization. The resultant materials can act as self‐supported bifunctional electrocatalytic electrodes for direct water splitting with excellent activity toward oxygen evolution reaction and hydrogen evolution reaction in alkaline media. Stable performance can be maintained for at least 24 h, illustrating their versatile and practical nature for clean energy generation. Furthermore, an advanced water electrolyzer through exploiting Ni/Ni 8 P 3 as both anode and cathode is fabricated, which requires a cell voltage of 1.61 V to deliver a 10 mA cm−2 water splitting current density in 1.0 m KOH solution. This performance is significantly better than that of the noble metal benchmark—integrated Ni/IrO 2 and Ni/Pt–C electrodes. Therefore, these bifunctional electrodes have significant potential for realistic large‐scale production of hydrogen as a replacement clean fuel to polluting and limited fossil‐fuels.

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Metadata

Authors
Chen, G., Ma, T. Y., Liu, Z., Li, N., Su, Y., Davey, K., & Qiao, S.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2016-03-10
Volume
26
Issue
19
Pages
3314-3323
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2294810044
Cited by
916
References
56
FWCI
40.32
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Efficient and Stable Bifunctional Electrocatalysts Ni/NixMy (M = P, S) for Overall Water Splitting. https://app.cochat.ai/papers/10.1002/adfm.201505626
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Chen, G., Ma, T. Y., Liu, Z., Li, N., Su, Y., Davey, K., & Qiao, S. (2016). Efficient and Stable Bifunctional Electrocatalysts Ni/NixMy (M = P, S) for Overall Water Splitting. Advanced Functional Materials. https://doi.org/10.1002/adfm.201505626

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