BEHAVIOR OF CERIA UNDER HYDROGEN TREATMENT - THERMOGRAVIMETRY AND IN-SITU X-RAY-DIFFRACTION STUDY

被引：32

作者：

LAMONIER, C

WROBEL, G

BONNELLE, JP

机构：

[1] Laboratoire de Catalyse Hétérogène et Homogène, URA CNRS No 402, Université des Sciences et Technologies de Lille

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1994年 / 4卷 / 12期

关键词：

D O I：

10.1039/jm9940401927

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：

Ceria reduction under hydrogen leads to a fluorite lattice expansion between 573 and 1073 K. Both bulk reduction of Co4+ ions and insertion of hydrogen are thought to be responsible for this expansion in the 573-843 K temperature range.

引用

页码：1927 / 1928

页数：2

共 8 条

[1] INFLUENCE OF THE SUPPORT ON THE CATALYTIC PROPERTIES OF NICKEL CERIA IN CARBON-MONOXIDE AND BENZENE HYDROGENATION [J].

BARRAULT, J ;

ALOUCHE, A ;

PAULBONCOUR, V ;

HILAIRE, L ;

PERCHERONGUEGAN, A .

APPLIED CATALYSIS, 1989, 46 (02) :269-279

[2] ORDERED INTERMEDIATE PHASES IN THE SYSTEM CEO2-CE2O3 [J].

BEVAN, DJM .

JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1955, 1 (1-2) :49-&

[3] ADSORPTION OF ACETONITRILE ON CERIUM OXIDE - AN INFRARED SPECTROSCOPIC STUDY ACCORDING TO THE REDUCTION STATE OF THE OXIDE [J].

BINET, C ;

JADI, A ;

LAVALLEY, JC .

JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE, 1992, 89 (01) :31-45

[4] INDUCED CHANGES IN CERIA BY THERMAL TREATMENTS UNDER VACUUM OR HYDROGEN [J].

FIERRO, JLG ;

SORIA, J ;

SANZ, J ;

ROJO, JM .

JOURNAL OF SOLID STATE CHEMISTRY, 1987, 66 (01) :154-162

[5] REDUCTION OF CERIAS WITH DIFFERENT TEXTURES BY HYDROGEN AND THEIR REOXIDATION BY OXYGEN [J].

PERRICHON, V ;

LAACHIR, A ;

BERGERET, G ;

FRETY, R ;

TOURNAYAN, L ;

TOURET, O .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1994, 90 (05) :773-781

[6] HYDROGENATION CATALYSTS BASED ON NICKEL AND RARE-EARTHS OXIDES .1. RELATION BETWEEN CATIONS NATURE, PREPARATION ROUTE, HYDROGEN CONTENT AND CATALYTIC ACTIVITY [J].

SOHIER, MP ;

WROBEL, G ;

BONNELLE, JP ;

MARCQ, JP .

APPLIED CATALYSIS A-GENERAL, 1992, 84 (02) :169-186

[7] PROMOTION OF HYDROGEN UPTAKE IN CERIUM DIOXIDE - THE ROLE OF IRIDIUM [J].

TOURNAYAN, L ;

MARCILIO, NR ;

FRETY, R .

APPLIED CATALYSIS, 1991, 78 (01) :31-43

[8] CERIA IN AUTOMOTIVE EXHAUST CATALYSTS .1. OXYGEN STORAGE [J].

YAO, HC ;

YAO, YFY .

JOURNAL OF CATALYSIS, 1984, 86 (02) :254-265

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