From the journal:

Catalysis Science & Technology

Revealing the effect of electrochemical promotion on FeNC catalysts for electro-assisted NH3-SCR

Xinying Liu, ORCID logo ab   Qingling Liu, ORCID logo *ab   Yan Zhang,ab   Yuankai Shao,c   Bingjie Zhou,c   Zhenguo Li,*c   Caixia Liu,*ab   Xiaona Yand  and  Bin Shend  

* Corresponding authors

a School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
E-mail: liuql@tju.edu.cn

b State Key Laboratory of Engines, Tianjin University, Tianjin 300350, China

c National Engineering Laboratory for Mobile Source Emission Control Technology, China Automotive Technology & Research Center Co., Ltd., Tianjin 300300, P. R.China

d China Internal Combustion Engine Industry Association, Beijing, China

Abstract

We devised an electro-assisted method utilizing FexNyC catalysts for low-temperature NH3-SCR. Compared to traditional heating methods, electric heating significantly reduced the T90 of NOx conversion for the Fe3N1.5C catalyst from 160 °C to 120 °C. Under electro-assisted conditions, the applied current facilitates the migration of bulk phase lattice oxygen to the catalyst surface, promoting the oxidation of NH3 species adsorbed on the catalyst surface and thereby promoting the NH3-SCR reaction.

Graphical abstract: Revealing the effect of electrochemical promotion on FeNC catalysts for electro-assisted NH3-SCR

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Article information

DOI
https://doi.org/10.1039/D5CY00302D
Article type
Communication
Submitted
12 Mar 2025
Accepted
29 Sep 2025
First published
17 Nov 2025

Catal. Sci. Technol., 2026, Advance Article

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Revealing the effect of electrochemical promotion on FeNC catalysts for electro-assisted NH3-SCR

X. Liu, Q. Liu, Y. Zhang, Y. Shao, B. Zhou, Z. Li, C. Liu, X. Yan and B. Shen, Catal. Sci. Technol., 2026, Advance Article , DOI: 10.1039/D5CY00302D

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