期刊
CATALYSTS
卷 10, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/catal10090955
关键词
CO(2)utilization; carbide catalysts; low-carbon catalysis; CO(2)hydrogenation; reforming
资金
- Department of Chemical and Process Engineering at the University of Surrey
- EPSRC [EP/R001588/1]
- Comunitat Valenciana [APOSTD2017]
- CO2Chem through the EPSRC [EP/P026435/1]
- EPSRC [EP/P026435/1] Funding Source: UKRI
Increasing demand for CO(2)utilization reactions and the stable character of CO(2)have motivated interest in developing highly active, selective and stable catalysts. Precious metal catalysts have been studied extensively due to their high activities, but their implementation for industrial applications is hindered due to their elevated cost. Among the materials which have comparatively low prices, transition metal carbides (TMCs) are deemed to display catalytic properties similar to Pt-group metals (Ru, Rh, Pd, Ir, Pt) in several reactions such as hydrogenation and dehydrogenation processes. In addition, they are excellent substrates to disperse metallic particles. Hence, the unique properties of TMCs make them ideal substitutes for precious metals resulting in promising catalysts for CO(2)utilization reactions. This work aims to provide a comprehensive overview of recent advances on TMCs catalysts towards gas phase CO(2)utilization processes, such as CO(2)methanation, reverse water gas shift (rWGS) and dry reforming of methane (DRM). We have carefully analyzed synthesis procedures, performances and limitations of different TMCs catalysts. Insights on material characteristics such as crystal structure and surface chemistry and their connection with the catalytic activity are also critically reviewed.
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