Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity
文献类型:期刊论文
作者 | X. Bai; Y. Fan; C. M. Hou; T. M. Tang and J. Q. Guan |
刊名 | International Journal of Hydrogen Energy
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出版日期 | 2022 |
卷号 | 47期号:38页码:16711-16718 |
ISSN号 | 0360-3199 |
DOI | 10.1016/j.ijhydene.2022.03.174 |
英文摘要 | Developing high-performance noble-metal-free electrocatalysts for the oxygen evolution reaction (OER) is of great significance for the large-scale implement of electrochemical water splitting. Here, we demonstrate that cobalt-iron oxyhydroxide (CoFe0.8(OH)(x)) with appropriate crystallization exhibits excellent OER activity with a low overpotential of only 246 mV, which is much lower than that achieved on amorphous one. Kinetic experiments indicate that the OER active sites should be di-mu-oxo bridged Fe-Co, on which lower energy barrier is attained than that on Fe-O and Co-O sites. Partial crystallization is beneficial to the lattice contraction, the formation of Co-O-Fe sites, and the decrease of charge transfer resistance, thus accelerating OER process. (C) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. |
URL标识 | 查看原文 |
语种 | 英语 |
源URL | [http://ir.ciomp.ac.cn/handle/181722/66971] ![]() |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | X. Bai,Y. Fan,C. M. Hou,et al. Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity[J]. International Journal of Hydrogen Energy,2022,47(38):16711-16718. |
APA | X. Bai,Y. Fan,C. M. Hou,&T. M. Tang and J. Q. Guan.(2022).Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity.International Journal of Hydrogen Energy,47(38),16711-16718. |
MLA | X. Bai,et al."Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity".International Journal of Hydrogen Energy 47.38(2022):16711-16718. |
入库方式: OAI收割
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