Origin of the Excellent Performance of Ru on Nitrogen-Doped Carbon Nanofibers for CO2 Hydrogenation to CH4

被引：32

作者：

Roldan, Laura ^{[1
]}

Marco, Yanila ^{[1
]}

Garcia-Bordeje, Enrique ^{[1
]}

机构：

[1] CSIC, ICB, Inst Carboquim, Dept Chem Proc & Nanotechnol, Miguel Luesma Castan 4, Zaragoza 50018, Spain

来源：

CHEMSUSCHEM | 2017年 / 10卷 / 06期

关键词：

carbon; carbon dioxide; heterogeneous catalysis; methanation; ruthenium; METHANATION ACTIVITY; POROUS CARBONS; HETEROGENEOUS CATALYSIS; SURFACE-CHEMISTRY; DIOXIDE REDUCTION; ACTIVATED CARBONS; ADSORPTION; CAPTURE; NANOPARTICLES; SUPPORT;

D O I：

10.1002/cssc.201601217

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon materials have rarely been used as support for CO2 methanation, which is usually carried out using catalysts supported on metal oxides. Here, it is shown that Ru nanoparticles supported on nitrogen-doped carbon nanofibers (NCNF) provide competitive CH4 production rate and stability compared to Al2O3-supported catalysts. Contrary to the general belief about the inert nature of carbon supports, it is demonstrated that NCNF is a non-innocent spectator in CO2 methanation due to its ability to store a high amount of COad reaction intermediates. This explains the excellent catalytic behaviour afforded by this unconventional catalyst support.

引用

页码：1139 / 1144

页数：6

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