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<p>In this work, Ni(OH)<sub>2</sub>@NF electrode using nickel foam as a substrate and the hydrothermal method was synthesized. Using the secondary hydrothermal method, Co-NiTe-Ni(OH)<sub>2</sub>@NF was manufactured. The materials were characterized via electrochemical performance tests and physical characterization. Both have good hydrogen evolution reaction catalytic ability, but Co-NiTe-Ni(OH)<sub>2</sub>@NF is better. With an ECSA of 123.38&#xa0;cm<sup>−2</sup> and an overpotential of just 113&#xa0;mV, it demonstrated remarkable performance at a current concentration of 10&#xa0;mV&#xa0;cm<sup>−2</sup>. Voltage transfer resistance, ascertained via electrochemical impedance testing, was 5.73&#xa0;Ω. Tafel test slope was 11.75&#xa0;mV&#xa0;dec<sup>−1</sup>.</p>

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Fabrication of Co-NiTe-Ni(OH)2@NF Active Cathode Material as an Electrocatalyst for Hydrogen Evolution

  • 期刊论文

  • 发表日期：

    2025年11月3日

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  • Qian Li,
  • Wuming Zhang,
  • Zizhao Wang,
  • Na Huang,
  • Xihong He,
  • Lili Gao,
  • Jinjing Du,
  • Yaqing Weng,
  • Wanqiu Chai

摘要

In this work, Ni(OH)2@NF electrode using nickel foam as a substrate and the hydrothermal method was synthesized. Using the secondary hydrothermal method, Co-NiTe-Ni(OH)2@NF was manufactured. The materials were characterized via electrochemical performance tests and physical characterization. Both have good hydrogen evolution reaction catalytic ability, but Co-NiTe-Ni(OH)2@NF is better. With an ECSA of 123.38 cm−2 and an overpotential of just 113 mV, it demonstrated remarkable performance at a current concentration of 10 mV cm−2. Voltage transfer resistance, ascertained via electrochemical impedance testing, was 5.73 Ω. Tafel test slope was 11.75 mV dec−1.