A Review of Perovskite Catalysts for the Simultaneous Elimination of Soot and NO x Emissions from Diesel Engine

Peng Chen, Jia Fang (), Zinong Zuo, Chengzhuang Zhang, Kejian Wang, Zhiqiang Han and Wei Tian ()
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Peng Chen: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Jia Fang: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Zinong Zuo: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Chengzhuang Zhang: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Kejian Wang: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Zhiqiang Han: School of Automobile and Transportation, Xihua University, Chengdu 610039, China
Wei Tian: School of Automobile and Transportation, Xihua University, Chengdu 610039, China

Sustainability, 2024, vol. 16, issue 23, 1-24

Abstract: The problem of removing NO x and carbon particle emissions from diesel engines has been a challenge in the field of environmental protection, which is prompting people to actively explore ways to improve the efficiency of pollutant emission treatment. Due to the high price of precious metals, developing an alternative catalytic material with high catalytic activity and stability is a difficult task. Perovskite, with its stable and flexibly variable crystal structure, has become a research hotspot in the field of catalysis. This paper discusses the structure of perovskite catalysts and the mechanism behind the simultaneous catalytic oxidation of diesel engine soot and NO x . Meanwhile, it provides a comprehensive review of the preparation methods and A/B site modification strategies, establishing a foundation for the synthesis and A/B site modification of perovskite catalysts capable of catalyzing the oxidation of soot and NO x simultaneously. Additionally, this article offers an outlook on the challenges and future development of perovskite catalysts in this field.

Keywords: perovskite; soot; NO x; modification; preparation method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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