期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 45, 期 19, 页码 11089-11096出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.02.046
关键词
Palladium nanoparticles; Gas phase cluster beam deposition; Three-dimensional graphene; Ni foam; Methanol electro-Oxidation
资金
- National Natural Science Foundation of China [11627806, 11904311, 11874317]
- Yancheng Institute of Technology [Xjr2019056]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1701093C]
Palladium (Pd) nanoparticles (NPs) prepared by gas phase cluster deposition demonstrated excellent electrocatalytic activity. Herein, a series of Pd NPs modified freestanding electrodes with a super clean surface and easy repeating process for methanol oxidation reaction is reported. Pd NPs with different coverage were deposited on Ni foams and three-dimensional graphene-Ni foams, respectively. Owning to the special three-dimensional structure of Ni foam, the Pd NPs-Ni foam composite exhibited remarkable activity and unusually long-term stability for methanol electro-oxidation. The introduced three-dimensional graphene prepared by conventional chemical vapour deposition improved the electrocatalytic performance. The results can be attributed to the Pd NPs with high electrochemical activity and unique properties for three-dimensional supports. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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