Results 51 to 60 of about 71,064 (156)

Ceria–zirconia mixed oxide prepared by continuous hydrothermal synthesis in supercritical water as catalyst support

, 2012
A number of different synthetic methods have been applied to prepare ceria-zirconia and related mixed oxides. Continuous hydrothermal synthesis in supercritical water (supercritical synthesis) is a method to prepare metal oxide nanoparticles rapidly and ...
Lee, Ki-Yong, Suh, Myung-Ji, Ihm, Son-Ki, Ki-Yong Lee, Jeong-Rang Kim, Kim, Jeong-Rang, Myung-Ji Suh, Son-Ki Ihm   +7 more
core   +1 more source

Ceria-zirconia mixed metal oxides prepared via mechanochemical grinding of carbonates for the total oxidation of propane and naphthalene [PDF]

, 2019
A series of ceria–zirconia mixed metal oxides with varying metal ratios were prepared by the calcination of precursors synthesized by mechanochemical grinding of the metal carbonates, and tested for catalytic naphthalene and propane total combustion. The
Taylor, Stuart H., Morgan, David J., Joseph W. H. Burnett, Parag M. Shah, David J. Morgan, Shah, Parag M., Davies, Thomas E., Stuart H. Taylor, Burnett, Joseph W. H., Thomas E. Davies   +9 more
core   +1 more source

Microstructure Evolution of Multi‐Material‐Jetted Porous Architectures During Ultrafast High‐Temperature Co‐Sintering

Journal of the American Ceramic Society, Volume 109, Issue 10, October 2026.
ABSTRACT Multi‐material additive manufacturing combined with rapid sintering offers a route to compositionally and microstructurally complex energy ceramic architectures, but the effect of ultrafast thermal profiles on layer retention, phase redistribution, and pore morphology remains insufficiently understood. Here, NiO–YSZ/NiO–GDC was used as an SOFC‐
Amin Hodaei, Luka Weemaes, Martin Luckabauer, Lisa Gottlieb, Steven Weingarten, Aayan Banerjee, Małgorzata Hołyńska, Tom H. Vaneker, Ian Gibson, Diletta Giuntini, Davoud Jafari   +10 more
wiley   +1 more source

Phase separation and surface segregation in ceria-zirconia solid solutions [PDF]

, 2011
Using a combination of density functional theory calculations and statistical mechanics, we show that a wide range of intermediate compositions of ceria – zirconia solid solutions are thermodynamically metastable with respect to phase separation into Ce ...
Grau-Crespo, Ricardo, Nora H. de Leeuw, Umesh V. Waghmare, Said Hamad, Waghmare, Umesh V., de Leeuw, Nora H., Ricardo Grau-Crespo, Hamad, Said   +7 more
core   +1 more source

Characteristics and Sinterability of Ceria Stabilized Zirconia Nanoparticles Prepared by Chemical Methods

Medžiagotyra, 2018
Microwave assisted and molten salts synthesis were extended for preparation of ceria (10 mol%; 15 mol%) stabilized zirconia and their parameters and sinterability were compared with that of particles prepared by the sol-gel combustion method. As-prepared
Janis GRABIS, Dzidra JANKOVIČA, Ints ŠTEINS, Māra LUBĀNE, Inta SĪPOLA   +4 more
doaj   +1 more source

Synthesis and Properties of Novel Calcia-Stabilized Zirconia (Ca-SZ) with Nano Calcium Oxide Derived from Cockle Shells and Commercial Source for Dental Application

Applied Sciences, 2020
Various oxides are used to stabilize zirconium oxide (ZrO2), but their superior hardness causes wear of the machining tool. Calcia-doped zirconia has been studied but reports on properties suitable for dental application are lacking.
Abbas Ibrahim Hussein, Ahmad Nazeer Che Mat, Nur Ain Adila Abd Wahab, Ismail Ab. Rahman, Adam Husein, Zuryati Ab-Ghani   +5 more
doaj   +1 more source

Effect of Metal Dopant on the Performance of Ni@CeMeO₂ Embedded Catalysts (Me = Gd, Sm and Zr) for Dry Reforming of Methane

Methane, 2022
Biogas upgrading by a catalytic process has been studied in order to obtain syngas using renewable source of methane. This work evaluates the influence of metal dopant (Gd, Sm, and Zr) on the CeO2 structure for the dry reforming of methane over Ni ...
André L. A. Marinho, Raimundo C. Rabelo-Neto, Florence Epron, Fabio S. Toniolo, Fabio B. Noronha, Nicolas Bion   +5 more
doaj   +1 more source

Tuning Amorphous‐Crystalline Catalytic Interfaces by Mechanochemistry: Cu‐Based Metallic Glasses Coupled with Ceria for CO Oxidation

Advanced Materials, Volume 38, Issue 51, 11 September 2026.
Ball‐milling Cu‐based metallic glasses with ceria creates a unique nanostructure where metallic glass particles are wrapped by CeO2 nanoparticles. The intimate integration triggers copper state reorganization during reaction and aging, boosting CO oxidation and COPrOx activity.
Maahin Mirzay‐Shahim, Mehran Nabahat, Laia Pascua‐Solé, Isabel Serrano, Ilaria Lucentini, Xènia Garcia, Marina Armengol‐Profitós, Asier Agrelo‐Lestón, Ignasi Burgués‐Ceballos, Núria J. Divins, Ignacio J. Villar‐Garcia, Virginia Pérez‐Dieste, Carlos Escudero, Carlo Marini, Jordi Llorca, Eloi Pineda, Pere Bruna, Lluís Soler   +17 more
wiley   +1 more source

The effect of ceria on the dynamics of CuO-Cu2O redox transformation: CuO-Cu2O hysteresis on ceria

, 2014
CuO supported on ceria and alumina is prepared by incipient wetness impregnation and its redox behavior is investigated by means of XRD, XPS and TPO experiments. CuO on ZrO2 and on ceria-zirconia are also synthesized for comparison.
Trovarelli, Alessandro, Jordi Llorca, Colussi, Sara, Amoroso, Francesco, Llorca Piqué, Jordi, Katta, Lakshmi, Lakshmi Katta   +6 more
core   +1 more source

Hydrogen Production by Reforming of Methane over NiAl₂O₄/Ce_xZr_1-xO₂ Catalysts

Chemical Engineering Transactions, 2017
This work was focused on the study of the catalytic behaviour of nickel aluminate supported either on ceria or ceria-zirconia (NiAl2O4/CexZr1-xO2, x= 0.13 and 1, 14 wt.% Ni) for the steam reforming and partial oxidation of methane.
M. Gil-Calvo, C. Jimenez-Gonzalez, B. De Rivas, J.I. Gutierrez-Ortiz, R. Lopez-Fonseca   +4 more
doaj   +1 more source