Ternary interfacial superstructure enabling extraordinary hydrogen evolution electrocatalysis |
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| Authors: | Hongliang Jiang Yunxiang Lin Bingxu Chen Youkui Zhang Hengjie Liu Xuezhi Duan De Chen Li Song |
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| Affiliation: | 1. National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, Anhui 230029, China;2. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China;3. Department of Chemical Engineering, Norwegian University of Science and Technology, N-7491 Trondheim, Norway |
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| Abstract: | Realizing large-scale electrochemical hydrogen evolution in alkaline and neutral media by robust and non-noble-metal heterogeneous catalysts is highly ambitious due to the sluggish reaction kinetics at low H+ conditions. Herein, highly efficient hydrogen evolution reaction (HER) catalysts, comprising Ni, NiO clusters, and defective carbon, are successfully constructed via a facile and large-scale route. Multiple synchrotron radiation-based X-ray spectroscopic characterizations, combining high-resolution transmission electron microscopy measurements, indicate the formation of ternary interfacial superstructure with intimate interfacial coupling through abundant Ni | |
| Keywords: | Corresponding authors |
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