催化作用
甲酸
材料科学
煤
无机化学
氮气
碳纤维
化学工程
有机化学
化学
复合材料
复合数
工程类
作者
Mengran Lou,Ruiying Wang,Jie Zhang,Xincun Tang,Luxiang Wang,Yong Guo,Dianzeng Jia,Hongli Shi,Lili Yang,Xingchao Wang,Zhipeng Sun,Tao Wang,Yudai Huang
标识
DOI:10.1021/acsami.8b20736
摘要
Development of a Pd-based catalyst with highly active and durable properties for formic acid oxidation reaction at the anode remains an important matter of interest in the research community. Herein, we have designed novel coal-based carbon fibers (Coal-CFs) with dicyandiamide (DCD) as nitrogen (N) source, triphenylphosphine (TPP) as phosphorus (P) source dual-doped to support Pd catalysts (Pd/NP-Coal-CFs(DCD/TPP)), which exhibit superior catalytic performance toward formic acid oxidation reaction. Mass activity of formic acid oxidation of Pd/NP-Coal-CFs(DCD/TPP) catalyst is 536.6 mA·mg-1Pd, which is 2.5 times higher than that of Pd/Coal-CFs catalyst. The higher specific surface areas, exclusive electron transport path, and the high synergistic interaction of N and P are the favorable phenomena for catalytic performance. The addition of coal not only increases the abundant defects sites but also makes the utilization of coal with high added value. This N and P dual-doped catalyst inspires an idea for promoting applications in practical fuel cells.
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