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A single site ruthenium catalyst for robust soot oxidation without platinum or palladium

Chemistry

A single site ruthenium catalyst for robust soot oxidation without platinum or palladium

Y. Li, T. Qin, et al.

This study introduces an innovative and cost-effective Ru₁/CeO₂ catalyst, showcasing remarkable performance and stability in soot oxidation, comparable to traditional Pt-based catalysts. Conducted by Yuanfeng Li, Tian Qin, and their team, this research paves the way for more accessible catalytic technologies.

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Playback language: English
Abstract
This study presents a robust catalyst by embedding single-atom Ru sites onto CeO₂ using a gas bubbling-assisted membrane deposition method. The Ru₁/CeO₂ catalyst shows exceptional catalytic performance and stability during soot oxidation, rivaling commercial Pt-based catalysts. The high turnover frequency is attributed to strong interfacial charge transfer, enhancing NO oxidation and reducing activation energy during soot oxidation. This offers a cost-effective alternative to Pt/Pd catalysts.
Publisher
Nature Communications
Published On
Nov 06, 2023
Authors
Yuanfeng Li, Tian Qin, Yuechang Wei, Jing Xiong, Peng Zhang, Kezhen Lai, Hongjie Chi, Xi Liu, Liwei Chen, Xiaolin Yu, Zhen Zhao, Lina Li, Jian Liu
Tags
catalyst
soot oxidation
Ru
CeO₂
catalytic performance
charge transfer
cost-effective

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