A low-content CeOx dually promoted Ni3Fe@CNT electrocatalyst for overall water splitting

Sun, Mengtao; Zhang, Shuai; Chen, Yang; Guo, Ying; Liu, Yang; Xu, Sailong

doi:10.1039/d3dt00709j

Dalton Trans.

2023

DOI: 10.1039/d3dt00709j

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A low-content CeO_x dually promoted Ni₃Fe@CNT electrocatalyst for overall water splitting

Mengtao Sun

Shuai Zhang

Yang Chen

et al.

Abstract: Rational construction of low-cost and high-performance electrocatalysts for water splitting is crucial to advance the renewable hydrogen fuel. Hybridizing heterojunctions or noble metals is one typical strategy used to boost...

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2024

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Cited by 3 publications

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Robust and Corrosion‐Resistant Overall Water Splitting Electrode Enabled by Additive Manufacturing

Guo,

Lin,

et al. 2024

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Electrolysis of water has emerged as a prominent area of research in recent years. As a promising catalyst support, copper foam is widely investigated for electrolytic water, yet the insufficient mechanical strength and corrosion resistance render it less suitable for harsh working conditions. To exploit high‐performance catalyst supports, various metal supports are comprehensively evaluated, and Ti6Al4V (Ti64) support exhibited outstanding compression and corrosion resistance. With this in mind, a 3D porous Ti64 catalyst support is fabricated using the selective laser sintering (SLM) 3D printing technology, and a conductive layer of nickel (Ni) is coated to increase the electrical conductivity and facilitate the deposition of catalysts. Subsequently, Co0.8Ni0.2(CO3)0.5(OH)·0.11H2O (CoNiCH) nanoneedles are deposited. The resulting porous Ti64/Ni/CoNiCH electrode displayed an impressive performance in the oxygen evolution reaction (OER) and reached 30 mA cm−2 at an overpotential of only 200 mV. Remarkably, even after being compressed at 15.04 MPa, no obvious structural deformation is observed, and the attenuation of its catalytic efficiency is negligible. Based on the computational analysis, the CoNiCH catalyst demonstrated superior catalytic activity at the Ni site in comparison to the Co site. Furthermore, the electrode reached 30 mA cm−2 at 1.75 V in full water splitting conditions and showed no significant performance degradation even after 60 h of continuous operation. This study presents an innovative approach to robust and corrosion‐resistant catalyst design.

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Robust and Corrosion‐Resistant Overall Water Splitting Electrode Enabled by Additive Manufacturing

Guo,

Lin,

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

Study on effect of surface engineering by In doped CeCu2O4 for enhanced super capacitive properties as energy storage solution

Ahmad,

Shah,

Naz

et al. 2024

Journal of Energy Storage

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A unique network-structured electrocatalyst for efficient hydrogen evolution by engineering superaerophobic surfaces

Zheng,

Guo,

Hao

et al. 2024

Journal of Alloys and Compounds

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A low-content CeO_x dually promoted Ni₃Fe@CNT electrocatalyst for overall water splitting

Abstract: Rational construction of low-cost and high-performance electrocatalysts for water splitting is crucial to advance the renewable hydrogen fuel. Hybridizing heterojunctions or noble metals is one typical strategy used to boost...

Cited by 3 publications

References 35 publications

Robust and Corrosion‐Resistant Overall Water Splitting Electrode Enabled by Additive Manufacturing

Robust and Corrosion‐Resistant Overall Water Splitting Electrode Enabled by Additive Manufacturing

Study on effect of surface engineering by In doped CeCu2O4 for enhanced super capacitive properties as energy storage solution

A unique network-structured electrocatalyst for efficient hydrogen evolution by engineering superaerophobic surfaces

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