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PdIn-Based Pseudo-Binary Alloy as a Catalyst for NOx Removal under Lean Conditions

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Title: PdIn-Based Pseudo-Binary Alloy as a Catalyst for NOx Removal under Lean Conditions
Authors: Jeon, Jaewan Browse this author
Ham, Hyungwon Browse this author
Xing, Feilong Browse this author
Nakaya, Yuki Browse this author
Shimizu, Ken-ichi Browse this author →KAKEN DB
Furukawa, Shinya Browse this author →KAKEN DB
Keywords: NOx removal
lean condition
pseudobinary alloy
intermetallic compound
Issue Date: 2-Oct-2020
Publisher: American Chemical Society
Journal Title: ACS catalysis
Volume: 10
Issue: 19
Start Page: 11380
End Page: 11384
Publisher DOI: 10.1021/acscatal.0c03427
Abstract: Developing a noble-metal-based catalyst that works effectively for NOx removal in the presence of excess O-2 is still a big challenge in catalytic chemistry for exhaust gas purification. To overcome this challenge, in this study, we designed and prepared a nanoparticulate (Pd1-xPtx)In pseudobinary alloy using Al2O3 and CeO2 supports, where a portion of Pd was replaced with Pt to improve the oxidation tolerance of In during NOx reduction under lean conditions. Multiple characterization techniques were used to confirm the formation of the desired pseudobinary alloy phase. The prepared Pd-Pt-In/CeO2 catalyst exhibited high NO conversion to N-2 in NO-CO-O-2 reaction with a wide range of oxygen concentrations including lean conditions (80%-100%, 0.75 <= lambda <= 1.5, 350 degrees C) and retained its catalytic performance during rich-lean cycles.
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Catalysis, copyright c American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see .
Type: article (author version)
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 古川 森也

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