From the journal:

Chemical Communications

Ce/Gd Co-doping in NiFe LDH engineered oxygen vacancies for enhanced oxygen evolution

Xiaobing Bao,a   Junfeng Wang,a   Yang Yang,a   Qiqi Liu,a   Xiaoyong Fan, ORCID logo a   Shanjun Mao, ORCID logo b   Yutong Gong ORCID logo *c  and  Lei Gou ORCID logo *a  

* Corresponding authors

a School of Materials Science and Engineering, Chang’an University, Xi’an 710061, P. R. China
E-mail: leigou@chd.edu.cn

b Advanced Materials and Catalysis Group, Zhejiang Key Laboratory of Low-Carbon Synthesis of Value-Added Chemicals, State Key Laboratory of Clean Energy Utilization, Institute of Catalysis, Department of Chemistry, Zhejiang University, Hangzhou 310058, P. R. China
E-mail: maoshanjun@zju.edu.cn

c State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, P. R. China
E-mail: gongyutong@nwpu.edu.cn

Abstract

The appropriate co-doping of Ce and Gd into NiFe-LDH creates abundant oxygen vacancies. During the oxygen evolution reaction (OER), Ce segregates as CeO2 nano-islands while Gd remains uniformly dispersed, jointly enhancing stability. Ce,Gd-NiFe LDH achieves an overpotential 30 mV lower than NiFe-LDH (228 mV) at 10 mA cm−2 and operates stably for over 140 h.

Graphical abstract: Ce/Gd Co-doping in NiFe LDH engineered oxygen vacancies for enhanced oxygen evolution

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Article information

DOI
https://doi.org/10.1039/D6CC00175K
Article type
Communication
Submitted
09 Jan 2026
Accepted
07 Apr 2026
First published
07 Apr 2026

Chem. Commun., 2026, Advance Article

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Ce/Gd Co-doping in NiFe LDH engineered oxygen vacancies for enhanced oxygen evolution

X. Bao, J. Wang, Y. Yang, Q. Liu, X. Fan, S. Mao, Y. Gong and L. Gou, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC00175K

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