催化作用
甲醇
分解
化学
制氢
氢
相(物质)
材料科学
化学工程
无机化学
有机化学
工程类
作者
Fufeng Cai,Yanjiao Guo,Jessica Juweriah Ibrahim,Jun Zhang,Yuhan Sun
标识
DOI:10.1016/j.apcatb.2021.120648
摘要
Methanol decomposition is a promising method to produce clean hydrogen fuel. However, it requires developing highly active and stable catalysts at low temperature. Herein, a series of Pd/MoC catalysts were prepared and evaluated for hydrogen production from methanol decomposition. Detailed characterization data indicated that more α-MoC1−x phase and highly dispersed Pd particles were obtained in Pd/MoC catalysts with lower Pd loading, which exhibited superior catalytic efficiency for hydrogen production. Specifically, the catalytic activity of 0.5Pd/MoC catalyst, whose average turnover frequency reached up to 807 molH2·molPd−1 h−1 at 160 °C, was much higher than that of traditional CuZnAl catalyst that was almost inactive at the same reaction conditions. More importantly, the 0.5Pd/MoC catalyst exhibited a very stable catalytic performance for hydrogen production from methanol decomposition at all test temperatures. This could be attributed to the presence of strong interaction between the Pd particles and α-MoC1−x phase on the 0.5Pd/MoC catalyst.
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