Low-cost Ni/BaCO3 composite electrodes via phase transformation for highly efficient alkaline hydrogen evolution

Yuhui Wang; Xutong Liu; Hongjing Pang; Jin Kong; Shuo Wang; Zhihong Wang

doi:10.1039/D6CC02443B

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Low-cost Ni/BaCO₃ composite electrodes via phase transformation for highly efficient alkaline hydrogen evolution

Yuhui Wang,†^a Xutong Liu,†^a Hongjing Pang,^a Jin Kong,^a Shuo Wang*^ab and Zhihong Wang

*^ab

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* Corresponding authors

^a School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang, People's Republic of China
E-mail: wangzhihong@hit.edu.cn

^b Harbin Lvrui New Material Technology Co., Ltd, Heilongjiang, People's Republic of China

Abstract

Herein, we report a low-cost ordered phase-transformation strategy to construct porous self-supported Ni/BaCO₃ electrodes with nanorod heterostructures. The optimized electrode achieves 36 mV at 10 mA cm⁻², approaching commercial Pt/C tested under identical conditions (20 mV), and maintains durability for over 500 h in 1 M KOH.

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DOI: https://doi.org/10.1039/D6CC02443B
Article type: Communication
Submitted: 21 Apr 2026
Accepted: 04 Jun 2026
First published: 15 Jun 2026

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Chem. Commun., 2026, Advance Article

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Low-cost Ni/BaCO₃ composite electrodes via phase transformation for highly efficient alkaline hydrogen evolution

Y. Wang, X. Liu, H. Pang, J. Kong, S. Wang and Z. Wang, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC02443B

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Low-cost Ni/BaCO₃ composite electrodes via phase transformation for highly efficient alkaline hydrogen evolution

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Low-cost Ni/BaCO₃ composite electrodes via phase transformation for highly efficient alkaline hydrogen evolution

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