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Published on: June 18, 2013
Flash-heating-assisted construction of NiFe-based nanosheet arrays for efficient alkaline oxygen evolution
Xiaotong Wan1, Yuxiang Guo1, Penghui Huang2
1State Key Laboratory of New Textile Materials and Advanced Processing, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, P. R. China. ywliu@hust.edu.cn.
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A flash-heating-assisted two-step strategy is developed to construct self-supported NiFe nanosheet arrays on Ni foam for alkaline oxygen evolution. The electrode requires 233 and 255 mV at 100 and 400 mA cm-2, operates for 200 h, and resists start/stop perturbation, owing to rapid charge transfer and operando Ni(Fe)OOH reconstruction kinetics.
