Title :

Impact of Pd Incorporation Method in Stoichiometric and La-Deficient LaxMnO3 on Catalytic Performances in Methane Combustion: A Step Forward the Development of Novel NGV Three-Way Catalysts

Author(s) :

Osti, A. [Auteur]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Dipartimento di Scienze Chimiche [Padova]
Dacquin, Jean-Philippe [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Glisenti, A. [Auteur]
Dipartimento di Scienze Chimiche [Padova]
Institute of Condensed Matter Chemistry and Technologies for Energy [ICMATE]
Granger, Pascal [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Journal title :

Topics in Catalysis

Abbreviated title :

Top Catal

Volume number :

66

Pages :

1037-1044

Publisher :

Springer Science and Business Media LLC

Publication date :

2022-12-05

HAL domain(s) :

Chimie/Catalyse

English abstract : [en]

The catalytic combustion of methane is a key reaction taking place on Natural Gas Vehicle three-way catalysts in unfavorable stoichiometric and rich operating conditions. Pd-doped LaxMnO3 based materials have been developed. ...
Show more >The catalytic combustion of methane is a key reaction taking place on Natural Gas Vehicle three-way catalysts in unfavorable stoichiometric and rich operating conditions. Pd-doped LaxMnO3 based materials have been developed. Their efficacy has been studied on the basis of the following parameters: La-composition (x = 0.7 or 1), homogeneity of perovskite composition according to the protocol synthesis (sol–gel vs. combustion method), strategy for Pd incorporation. The control of Pd dispersion is closely related to the method used for Pd addition. Stabilization of Pd inside the perovskite lattice through a sol–gel route outperforms classical wet impregnated samples in terms of catalytic activity. This trend is accentuated on La-deficient composition as the creation of defective sites can strengthen the Pd–LaxMnO3 interaction. The best compromise was found on La0.7Mn0.98Pd0.02O3.Show less >

Language :

Anglais

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

Université de Lille
CNRS
Centrale Lille
ENSCL
Univ. Artois

Collections :

• Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Research team(s) :

Remédiation et matériaux catalytiques (REMCAT)

Submission date :

2024-04-05T12:04:38Z