Metal-organic framework-derived Ni doped Co<sub>3</sub>S<sub>4</sub> hierarchical nanosheets as a monolithic electrocatalyst for highly efficient hydrogen evolution reaction in alkaline solution

Jiankang Wang; Yajing Wang; Zhongping Yao; Zhaohua Jiang

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Metal-organic framework-derived Ni doped Co₃S₄ hierarchical nanosheets as a monolithic electrocatalyst for highly efficient hydrogen evolution reaction in alkaline solution

Regular | Updated：2026-01-06

- Metal-organic framework-derived Ni doped Co₃S₄ hierarchical nanosheets as a monolithic electrocatalyst for highly efficient hydrogen evolution reaction in alkaline solution
- Chinese Journal of Chemical Engineering Vol. 42, Issue 2, Pages: 380-388(2022)
- Affiliations：
  
  1. School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology,Harbin,China,150001
  2. College of Materials Science and Engineering, Yangtze Normal University,Chongqing,China,408100
- Author bio：
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- Published：2022
- Accepted：
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摘要

Abstract

Hierarchical nanostructure construction and electronic structure engineering are commonly employed to increase the electrocatalytic activity of HER electrocatalysts. Herein

Ni doped Co

hierarchical nanosheets on Ti mesh (Ni doped Co

HNS/TM) were successfully prepared by using metal organic framework (MOF) as precursor which was synthesized under ambient condition. Characterization results confirmed this structure and Ni incorporation into Co

lattice as well as the modified electronic structure of Co

by Ni doping. Alkaline HER performance showed that Ni doped Co

HNS/TM presented outstanding HER activity with 173 mV overpotential at -10 mA·cm

-2

surpassing most of metal sulfide-based electrocatalysts. The hierarchical structure

superior electrical conductivity and electronic structure modulation contributed to the accelerated water dissociation and enhanced intrinsic activity. This work provides a new avenue for synthesizing hierarchical nanostructure and simultaneously tuning the electronic structure to promote HER

performance

which has potential application in designing highly efficient and cost-effective HER nanostructured electrocatalyst.

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Metal-organic framework-derived Ni doped Co3S4 hierarchical nanosheets as a monolithic electrocatalyst for highly efficient hydrogen evolution reaction in alkaline solution

DOI：

摘要

Abstract

关键词

Keywords

references

Metal-organic framework-derived Ni doped Co₃S₄ hierarchical nanosheets as a monolithic electrocatalyst for highly efficient hydrogen evolution reaction in alkaline solution