期刊
NANOTECHNOLOGY
卷 32, 期 50, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ac1c25
关键词
electrodeposition; electrocatalysis; electrochemical surface area; intrinsic activity; HER; Co-W-P
资金
- Hebei Province Natural Science Foundation Innovation Group Project [B2021203016]
- National Natural Science Foundation of China [52174281]
By depositing a ternary coating of Co-W-P on the surface of nickel foam, the overpotential of the hydrogen evolution reaction was reduced, resulting in a highly active electrode. It was found that W and P play different roles in the formation of nanoparticles, working together to achieve a larger electrochemical surface area and excellent activity. Higher intrinsic activity was obtained when W was introduced in the modification of other catalysts such as Ni-P and Fe-P.
In order to reduce the overpotential of hydrogen evolution reaction (HER), the ternary coating Co-W-P was deposited on the surface of the nickel foam by electrochemical deposition to obtain a highly active electrode. Based on the measured double layer capacitance (C (dl)) and HER activity, there is volcanic behavior between the intrinsic activity of Co-W-P and the Co:W ratio in the electrolyte. W and P play different roles in the formation of nanoparticles, and work together to achieve the large electrochemical surface area and excellent activity. When applied to the modification of other catalysts (Ni-P and Fe-P), the higher intrinsic activity was obtained after the introduction of W.
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