期刊
ADVANCED FIBER MATERIALS
卷 3, 期 2, 页码 117-127出版社
SPRINGERNATURE
DOI: 10.1007/s42765-020-00063-7
关键词
Electrospinning; Carbon nanofibers; Binary metal sulfides; Water splitting; Materials science
资金
- National Natural Science Foundation of China (NSFC) [51803077, 52073124]
- Natural Science Foundation of Jiangsu Province [BK20180627]
- Postdoctoral Science Foundation of China [2018M630517, 2019T120389]
- MOE, 111 Project [B13025]
- SAFEA, 111 Project [B1302]
- national first-class discipline program of Light Industry Technology and Engineering (LITE2018-19)
- Fundamental Research Funds for the Central Universities
The study successfully designed a method for preparing high-indexed Cu3Pd13S7 nanoparticles on three-dimensional carbon nanofibers, achieving stable and efficient electrocatalytic water splitting. The Cu3Pd13S7/CNFs material exhibited excellent electrocatalytic activity and high stability, providing a new approach for efficient water splitting electrocatalysts.
In search of effective and stable bifunctional electrocatalyst for electrocatalytic water splitting is still a major challenge for the highly efficient H-2 production. Here, we reported a facile strategy to design high-indexed Cu3Pd13S7 nanoparticles (NPs) in situ synthesized on the three-dimensional (3D) carbon nanofibers (CNFs) by combining electrospinning and chemical vapor deposition (CVD) technology. The high-index facets with abundant active sites, the 3D architecture CNFs with high specific surface area and synergistic effect of Cu-Pd-S bonds with strong electron couplings together promote the electrocatalytic performance. The Cu3Pd13S7/CNFs shows excellent electrocatalytic activity with low overpotentials of 52 mV (10 mA cm(-2)) for hydrogen evolution reaction (HER) and 240 mV (10 mA cm(-2)) for oxygen evolution reaction (OER). The excellent protection of Cu3Pd13S7 by CNFs from aggregation and electrolyte corrosion lead to the high stability of Cu3Pd13S7/CNFs under acidic and alkaline conditions.
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