Issue 19, 2020
From the journal:

Catalysis Science & Technology

Recent advances in three-way catalysts of natural gas vehicles

Cenyan Huang,ab   Wenpo Shan, ORCID logo *ab   Zhihua Lian, ORCID logo a   Yan Zhang*ab  and  Hong Heacd  

* Corresponding authors

a Center for Excellence in Regional Atmospheric Environment and Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
E-mail: wpshan@iue.ac.cn, yzhang3@iue.ac.cn

b Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Urban Environment Observation and Research Station, Chinese Academy of Sciences, Ningbo 315800, China

c State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

d University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

Natural gas vehicles (NGVs), as alternatives to gasoline and diesel vehicles, have been rapidly and widely promoted in the past 20 years. The three-way catalyst (TWC) technology is one of the dominant technologies for gaseous emission control of NGVs. However, it is still a great challenge to purify the exhaust gas of NGVs to meet increasingly strict emission limits, particularly for CH4 and NOx. This review is focused on the recent research advances in TWCs for NGVs, including the technical fundamentals, classic components (active phases, supports, and promoters), novel preparations of catalysts, resistance to thermal and chemical aging, current challenges and future perspectives. Particular attention is given to Pd-based catalysts as typical commercial TWCs, and potential alternatives which have competitive three-way catalytic performance are also highlighted.

Graphical abstract: Recent advances in three-way catalysts of natural gas vehicles

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Article information

DOI
https://doi.org/10.1039/D0CY01320J
Article type
Minireview
Submitted
01 Jul 2020
Accepted
04 Aug 2020
First published
05 Aug 2020

Catal. Sci. Technol., 2020,10, 6407-6419

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Recent advances in three-way catalysts of natural gas vehicles

C. Huang, W. Shan, Z. Lian, Y. Zhang and H. He, Catal. Sci. Technol., 2020, 10, 6407 DOI: 10.1039/D0CY01320J

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