Ligand-tuning of coordination compound for improved oxygen evolution

Kunpeng Yang; Yuanjun Liu; Yuyu Liu; Xingmei Guo; Xiangjun Zheng; Junhao Zhang; Guoxing Zhu

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Ligand-tuning of coordination compound for improved oxygen evolution

Updated：2026-01-06

- Ligand-tuning of coordination compound for improved oxygen evolution
- Chinese Journal of Chemical Engineering Vol. 76, Issue 12, Pages: 292-300(2024)
- Affiliations：
  
  1. School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology,Zhenjiang,China,202018
  2. School of Chemistry and Chemical Engineering, Jiangsu University,Zhenjiang,China,202013
  3. Key Laboratory of Advanced Electrode Materials for Novel Solar Cells for Petroleum and Chemical Industry of China, School of Chemistry and Life Sciences, Suzhou University of Science and Technology,Suzhou,China,215009
- Author bio：
- Funds：
- DOI：
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- Published：2024
- Accepted：
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Kunpeng Yang, Yuanjun Liu, Yuyu Liu, Xingmei Guo, Xiangjun Zheng, Junhao Zhang, Guoxing Zhu. Ligand-tuning of coordination compound for improved oxygen evolution[J]. Chinese Journal of Chemical Engineering, 2024, 76(12): 292-300.
DOI：

Kunpeng Yang, Yuanjun Liu, Yuyu Liu, Xingmei Guo, Xiangjun Zheng, Junhao Zhang, Guoxing Zhu. Ligand-tuning of coordination compound for improved oxygen evolution[J]. Chinese Journal of Chemical Engineering, 2024, 76(12): 292-300. DOI：

摘要

Abstract

Controllable regulation of the reconstruction process for the pre-catalysts towards oxygen evolution remains as a great challenge. In this study

we report a bi-ligand strategy to facilitate the structural transformation of coordination compounds to metal oxyhydroxides during oxygen evolution with enhanced activity. A coordination compound consisting of 1

1'-ferrocene acid (Fc) and Ni

was synthesized

in which terephthalic acid was introduced. The second ligand of terephthalic acid facilitates the reconstruction process

inducing an enhanced catalytic activity. In 1 mol·L

-1

KOH aqueous solution

the optimized catalyst can drive a current density of 10 mA·cm

-2

under a lower overpotential of 220 mV. Using this catalyst

zinc-air batteries can be prepared. The obtained zinc-air battery presents a large specific capacity of 718 mA·h·g

-1

with excellent cycling stability for over 100 h far exceeding that of Pt/C+RuO

battery fabricated with commercial catalysts. The excellent performance and low cost of this catalyst will open up broad prospects for the development of advanced systems for water electrolysis and zinc air batteries.

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