globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.02.004
论文题名:
Mild and selective hydrogenation of CO2 into formic acid over electron-rich MoC nanocatalysts
作者: Wang H.-H.; Zhang S.-N.; Zhao T.-J.; Liu Y.-X.; Liu X.; Su J.; Li X.-H.; Chen J.-S.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:8
起始页码: 651
结束页码: 657
语种: 英语
中文关键词: CO2 hydrogenation ; Formic acid ; Heterojunction ; MoC ; Mott-Schottky effect
英文关键词: Catalyst activity ; Catalyst selectivity ; Doping (additives) ; Formic acid ; Heterojunctions ; Hydrocarbons ; Hydrogenation ; Metal nanoparticles ; Nanocatalysts ; Precious metals ; Reusability ; CO2 hydrogenation ; Heterogeneous catalyst ; Hydrocarbon compounds ; Mott-Schottky ; Nitrogen-doped carbons ; Selective hydrogenation ; Specific selectivity ; Turnover frequency ; Carbon dioxide
英文摘要: The direct hydrogenation of CO2 using H2 gas is a one-stone-two-birds route to produce highly value-added hydrocarbon compounds and to lower the CO2 level in the atmosphere. However, the transformation of CO2 and H2 into hydrocarbons has always been a great challenge while ensuring both the activity and selectivity over abundant-element-based nanocatalysts. In this work, we designed a Schottky heterojunction composed of electron-rich MoC nanoparticles embedded inside an optimized nitrogen-doped carbon support (MoC@NC) as the first example of noble-metal-free heterogeneous catalysts to boost the activity of and specific selectivity for CO2 hydrogenation to formic acid (FA) in liquid phase under mild conditions (2 MPa pressure and 70 °C). The MoC@NC catalyst with a high turnover frequency (TOF) of 8.20 molFA molMoC −1 h−1 at 140 °C and an excellent reusability are more favorable for real applications. © 2020 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170062
Appears in Collections:气候变化与战略

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作者单位: School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China; SynCat@Beijing, Synfuels China Technology Co., Ltd, Beijing, 101407, China; State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China

Recommended Citation:
Wang H.-H.,Zhang S.-N.,Zhao T.-J.,et al. Mild and selective hydrogenation of CO2 into formic acid over electron-rich MoC nanocatalysts[J]. Science Bulletin,2020-01-01,65(8)
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