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Screening alloy electrocatalysts by combining magnetron sputtering and scanning electrochemical microscopy |
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| Authors: | Song Li Yijie Li Na Xiao Beichang Fang Gaowu Qin |
| Affiliation: | 1. Key Lab for Anisotropy and Texture of Materials (MoE), School of Materials Science and Engineering, Northeastern University, Shenyang, People’s Republic of China;2. Research Center for Metallic Wires, Northeastern University, Shenyang, People’s Republic of Chinalis@atm.neu.edu.cn!["ORCID]({"type":"image","src":"/templates/jsp/images/orcid.png"} "\"ORCID") https://orcid.org/0000-0002-9140-9973;4. Institute of Research, Northeastern University, Shenyang, People’s Republic of China;5. Research Center for Metallic Wires, Northeastern University, Shenyang, People’s Republic of China;6. Research Center for Metallic Wires, Northeastern University, Shenyang, People’s Republic of China |
| Abstract: | A high-throughput approach for developing materials is revolutionizing the current trial-and-error mode with great potential for accelerating the process. Here, we propose a simple approach combining multitarget sputtering and scanning electrochemical microscopy for the screening of hydrogen evolution reaction (HER) electrocatalysts. The ternary Co–Ni–Cu system is used as to demonstrate the feasibility of the strategy. The optimized composition for a HER catalyst is determined to be Co14Ni53Cu33. |
| Keywords: | Magnetron sputtering Ni–Cu alloys electrocatalysis HER SECM |