期刊
NANO ENERGY
卷 81, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2020.105619
关键词
FeNi2S4; Shape-Tunable; Electrocatalyst; Oxygen Evolution Reaction (OER); Structure-Reconstruction
类别
资金
- National Natural Science Foundation of China [21590812, 51538011, 51821006, 51978637, 21707135, 21805001]
- Program for Changjiang Scholars and Innovative Research Team in University of the Ministry of Education of China
- USTC Research Funds of the Double First-Class Initiative [YD3530002001]
- CAS Key Laboratory of Urban Pollutant Conversion Joint Research Fund [KLUPC-2020-3]
FeNi-based OER electrocatalysts face challenges in rational design, but using FeNi2S4 nanostructures as catalysts show excellent electrocatalytic performance, promising significant impact in the field of water splitting.
FeNi-based nanomaterials with bimetallic alloying effect deliver a great promise as an efficient electrocatalyst for oxygen evolution reaction (OER). However, the reconstruction to generate in-situ catalytically FeNi-based oxides or hydroxides during OER process and high electrical conductivity demand foster the great pursuit of the rational design of FeNi-based OER electrocatalyst a big challenge. Herein, we design and fabricate a nanostructured metallic FeNi2S4 as a highly efficient OER electrocatalyst. This catalyst exhibits an overpotential of (250 mV) and a Tafel slope (62 mV dec(-1)), that outperforms the benchmark of commercial RuO2. The experimental results demonstrate that the alloying effect and the superior electrical conductivity, endow it a great electrocatalytic performance. Such a nanostructured metallic OER electrocatalyst shows a great promise in water splitting.
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