Isothermal catalytic oxidation of diesel soot on Yttria-stabilized Zirconia

被引：14

作者：

Obeid, E. ^{[1
]}

Tsampas, M. N. ^{[1
]}

Jonet, S. ^{[1
]}

Boreave, A. ^{[1
]}

Burel, L. ^{[1
]}

Steil, M. C. ^{[2
]}

Blanchard, G. ^{[3
]}

Pajot, K. ^{[3
]}

Vernoux, P. ^{[1
]}

机构：

[1] Univ Lyon 1, CNRS, Inst Rech Catalyse & Environm Lyon, UMR 5256, F-69626 Villeurbanne, France

[2] CNRS Grenoble INP UJF, UMR 5279, Lab Electrochim & Physicochim Mat & Interfaces, F-38402 St Martin Dheres, France

[3] PSA PEUGEOT CITROEN, Ctr Tech Velizy, F-78943 Velizy Villacoublay, France

来源：

SOLID STATE IONICS | 2014年 / 262卷

关键词：

Yttria-stabilized Zirconia; Soot combustion; Fuel-cell type mechanism; Diesel particulate filters; Surface oxygen exchange; EXPERIMENTAL MICROKINETIC APPROACH; CERIA/SOOT CONTACTS; LA3+-DOPED CEO2; COMBUSTION; MECHANISM; ABATEMENT; IMPACT; OXYGEN; O-2; NOX;

D O I：

10.1016/j.ssi.2013.12.015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Long-term isothermal experiments of soot combustion were performed on Yttria-stabilized Zirconia, an oxygen ionic conductor, at 370,390 and 410 degrees C. At these temperatures, isotopic experiment confirms that mobile YSZ bulk oxygens oxidize soot at the soot/YSZ interface. In parallel, the surface oxygen exchange process replenishes YSZ oxygen atoms. After long-term isothermal experiments, HR-TEM observations reveal that the remaining soot particles form a continuous thin film on some YSZ grains, which inhibits the oxygen potential gradient, then stopping the oxidation process. All these experiments are in good agreement with the proposed fuel-cell type mechanism of soot on YSZ. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：253 / 256

页数：4

共 50 条

[1] Synergy between Ag nanoparticles and yttria-stabilized zirconia for soot oxidation
Serve, A.
Boreave, A.
Cartoixa, B.
Pajot, K.
Vernoux, P.
[J]. APPLIED CATALYSIS B-ENVIRONMENTAL, 2019, 242 : 140 - 149
[2] Catalytic CO Oxidation over Au Nanoparticles Supported on Yttria-Stabilized Zirconia
Dole, Holly A. E.
Kim, Jong Min
Lizarraga, Leonardo
Vernoux, Philippe
Baranova, Elena A.
[J]. IONIC AND MIXED CONDUCTING CERAMICS 8, 2012, 45 (01): : 265 - 274
[3] THE CATALYTIC AND ELECTROCATALYTIC COUPLING OF METHANE OVER YTTRIA-STABILIZED ZIRCONIA
ENG, D
STOUKIDES, M
[J]. CATALYSIS LETTERS, 1991, 9 (1-2) : 47 - 54
[4] Oxidation of hydrogen on Ni/yttria-stabilized zirconia cermet anodes
Primdahl, S
Mogensen, M
[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (10) : 3409 - 3419
[5] Effects of yttria-stabilized zirconia on plasma-sprayed hydroxyapatite/yttria-stabilized zirconia composite coatings
Fu, L
Khor, KA
Lim, JP
[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2002, 85 (04) : 800 - 806
[6] Diffusion of niobium in yttria-stabilized zirconia and in titania-doped yttria-stabilized zirconia polycrystalline materials
Kowalski, K.
Bernasik, A.
Camra, J.
Radecka, M.
Jedlinski, J.
[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2006, 26 (15) : 3139 - 3143
[7] PREPARATION OF NANOCRYSTALLINE YTTRIA-STABILIZED ZIRCONIA
VENKATACHARI, KR
HUANG, D
OSTRANDER, SP
SCHULZE, WA
STANGLE, GC
[J]. JOURNAL OF MATERIALS RESEARCH, 1995, 10 (03) : 756 - 761
[8] Continuous yttria-stabilized zirconia fibers
Clauss, B
Grub, A
Oppermann, W
[J]. ADVANCED MATERIALS, 1996, 8 (02) : 142 - +
[9] Adsorption of Water on Yttria-Stabilized Zirconia
Chaopradith, Dominic T.
Scanlon, David O.
Catlow, C. Richard A.
[J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2015, 119 (39): : 22526 - 22533
[10] Ferromagnetism in defective yttria-stabilized zirconia
Ryu, Sangkyun
Cho, Daegill
Park, Jun Kue
Lee, Jae S.
Hong, Tae Eun
Byeon, Mirang
Jeen, Hyoungjeen
[J]. Current Applied Physics, 2022, 43 : 66 - 71

← 1 2 3 4 5 →