Unveiling the Dual Active Sites of Ni/Co(OH)2-Ru Heterointerface for Robust Electrocatalytic Alkaline Seawater Splitting
Xinhui Yu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorCorresponding Author
Wei Jiang
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Jilin Joint Technology Innovation Laboratory of Developing and Utilizing Materials of Reducing Pollution and Carbon Emissions, College of Engineering, Jilin Normal University, Siping, 136000 P. R. China
The Joint Laboratory of Intelligent Manufacturing of Energy and Environmental Materials, Jilin Normal University, Siping, 136000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorYuanyuan Wu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorXianyu Chu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorBo Liu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
The Joint Laboratory of Intelligent Manufacturing of Energy and Environmental Materials, Jilin Normal University, Siping, 136000 P. R. China
Search for more papers by this authorShi Zhou
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorChunbo Liu
Jilin Joint Technology Innovation Laboratory of Developing and Utilizing Materials of Reducing Pollution and Carbon Emissions, College of Engineering, Jilin Normal University, Siping, 136000 P. R. China
Search for more papers by this authorCorresponding Author
Guangbo Che
College of Chemistry, Baicheng Normal University, Baicheng, 137000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Guojie Liu
Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang, 110122 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorXinhui Yu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorCorresponding Author
Wei Jiang
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Jilin Joint Technology Innovation Laboratory of Developing and Utilizing Materials of Reducing Pollution and Carbon Emissions, College of Engineering, Jilin Normal University, Siping, 136000 P. R. China
The Joint Laboratory of Intelligent Manufacturing of Energy and Environmental Materials, Jilin Normal University, Siping, 136000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorYuanyuan Wu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorXianyu Chu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorBo Liu
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
The Joint Laboratory of Intelligent Manufacturing of Energy and Environmental Materials, Jilin Normal University, Siping, 136000 P. R. China
Search for more papers by this authorShi Zhou
Key Laboratory of Preparation and Application of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun, 130103 P. R. China
Search for more papers by this authorChunbo Liu
Jilin Joint Technology Innovation Laboratory of Developing and Utilizing Materials of Reducing Pollution and Carbon Emissions, College of Engineering, Jilin Normal University, Siping, 136000 P. R. China
Search for more papers by this authorCorresponding Author
Guangbo Che
College of Chemistry, Baicheng Normal University, Baicheng, 137000 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Guojie Liu
Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang, 110122 P. R. China
E-mail: [email protected]; [email protected]; [email protected]; [email protected]
Search for more papers by this authorAbstract
Constructing bifunctional electrocatalysts through the synergistic effect of diverse metal sites is crucial for achieving high-efficiency and steady overall water splitting. Herein, a “dual-HER/OER-sites-in-one” strategy is proposed to regulate dominant active sites, wherein Ni/Co(OH)2-Ru heterogeneous catalysts formed on nickel foam (NF) demonstrate remarkable catalytic activity for oxygen evolution reaction (OER) as well as hydrogen evolution reaction (HER). Meanwhile, the potentials@10 mA cm−2 of Ni/Co(OH)2-Ru@NF for overall alkaline water and seawater splitting are only 1.36 and 1.41 V, respectively, surpassing those of commercial RuO2@NF and Pt/C@NF. The Ru site is identified as the primary active site for HER by density functional theory (DFT) calculations, while the Co(OH)2 site displays the minimal rate-determining step energy barrier (RDS) and functions as the main active site for OER. This study offers novel perspectives on the rational utilization of diverse metal species’ catalytic capabilities for developing dual active sites multifunctional electrocatalysts.
Conflict of Interest
The authors declare no conflict of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
| Filename | Description |
|---|---|
| smll202410086-sup-0001-SuppMat.docx12.9 MB | Supporting Information |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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