期刊
CATALYSTS
卷 12, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/catal12050556
关键词
nickel nanoparticle; carbon flake; methanol oxidation; fuel cell
资金
- National Plan for Science, Technology, and Innovation (MAARIFAH), King Abdulaziz City for Science and Technology, Kingdom of Saudi Arabia [14-NAN2221-02]
In this study, a facile and efficient method was reported to fabricate methanol oxidation electrocatalysts. The catalyst, composed of porous carbon flakes (PCFs)-supported nickel nanoplates (Ni NPs), was synthesized in one step using molten salt synthesis. Characterization techniques revealed a finely dispersed Ni NPs with a highly crystalline structure on the PCFs. The Ni NPs@PCFs catalyst exhibited high electrocatalytic activity and stability in alkaline media.
Herein, we report a facile and efficient method for fabricating porous carbon flakes (PCFs)-supported nickel nanoplates (Ni NPs) as electrocatalysts for methanol oxidation in alkaline media. The catalyst was fabricated in one step using molten salt synthesis. Various techniques were used to characterize the morphology and composition of the Ni NPs@PCFs catalyst, and these revealed that the Ni NPs were dispersed finely across the PCFs with a highly crystalline structure. The Ni NPs@PCFs catalyst demonstrated high electrocatalytic activity for methanol oxidation (121 mA/cm(2) vs. Ag/AgCl), and it had an onset potential of 0.35 V. It also exhibited high stability in an alkaline electrolyte for the duration of the experiment (up to 2000 s).
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