Straightforward preparation of nickel selenide nanosheets supported on nickel foam as a highly efficient electrocatalyst for oxygen evolution reaction |
| |
| Affiliation: | 1. Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China;2. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, PR China |
| |
| Abstract: | The development of economical, durable, and efficient oxygen evolution reaction (OER) electrocatalysts is essential for large-scale industrial water electrolysis. Here, a straightforward strategy is proposed to synthesize a series of nickel selenide nanosheets supported on nickel foam (NiSe2/NF) materials by directly selenizing nickel foam substrates at different temperatures under an inert atmosphere. When evaluated as electrocatalysts in OER, the optimal self-supported NiSe2/NF-350 shows an excellent performance in 1.0 M KOH medium with an overpotential of 458 mV at 100 mA cm?2, a small Tafel slope of 45.8 mV dec?1, and a long-term stability for 36 h. Furthermore, the structural and compositional preservation for NiSe2/NF-350 after stability test was also verified by various characterizations. |
| |
| Keywords: | Nickel selenide/nickel foam Self-support Selenization Oxygen evolution reaction |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
