Results 31 to 40 of about 4,063 (161)
Inorganics, 2020 Ceria-based materials, and particularly CeO2–ZrO2 (CZ) solid solutions are key ingredient in catalyst formulations for several applications due to the ability of ceria to easily cycling its oxidation state between Ce4+ and Ce3+.
Eleonora Aneggi +2 more
doaj +1 more source
Surface Spectroscopy on UHV-Grown and Technological Ni–ZrO2 Reforming Catalysts: From UHV to Operando Conditions [PDF]
, 2016 The final publication is available at Springer via https://doi.org/10.1007/s11244-016-0678-8.Ni nanoparticles supported on ZrO2 are a prototypical system for reforming catalysis converting methane to synthesis gas.
Astrid Wolfbeisser +6 more
core +2 more sources
Catalytic performance of CuO/Ce0.8Zr0.2O2 loaded onto SiC-DPF in NOx-assisted combustion of diesel soot [PDF]
, 2015 This work presents a comparative study between the catalytic performance of the 2% CuO/ceria-zirconia powder catalyst and the same catalyst supported on silicon carbide DPF (Diesel Particulate Filter) towards NO oxidation reaction and soot combustion ...
Garcia-Garcia, Avelina +2 more
core +3 more sources
Au/CeO2 catalysts: structure and CO oxidation activity [PDF]
, 2016 In this comprehensive review, the main aspects of using Au/CeO2 catalysts in oxidation reactions are considered. The influence of the preparation methods and synthetic parameters, as well as the characteristics of the ceria support (presence of doping ...
Centeno Gallego, Miguel Ángel +4 more
core +5 more sources
Cerâmica, 2001 Neste trabalho são destacadas as técnicas de separação e de purificação de terras raras por precipitação fracionada e troca iônica, além das técnicas usualmente utilizadas no controle analítico destes materiais.
C. A. S. Queiroz +3 more
doaj +1 more source
Mechanical and Electrical Characterization of 8YSZ-ScCeSZ Ceramics
Materials Research, 2023 The effects of small amounts (up to 5 wt.%) of scandia- and ceria-stabilized zirconia on the electrical conductivity, and the elastic modulus and hardness of yttria-stabilized zirconia were investigated by impedance spectroscopy and nanoindentation tests,
T. G. Fujimoto +4 more
doaj +1 more source
Influence of roughness on initial in vitro response of cells to Al2O3/Ce-TZP nanocomposite
Journal of Asian Ceramic Societies, 2021 Al2O3/Ce-tetragonal zirconia polycrystal (TZP) nanocomposite was synthesized by a colloidal processing route and sintered in air atmosphere. Sandblasting treatment was made to alumina toughened zirconia (ATZ) nanocomposite in order to evaluate the ...
M. Suárez +6 more
doaj +1 more source
Reduced erbium-doped ceria nanoparticles: one nano-host applicable for simultaneous optical down- and up-conversions [PDF]
, 2014 This paper introduces a new synthesis procedure to form erbium-doped ceria nanoparticles (EDC NPs) that can act as an optical medium for both up-conversion and down-conversion in the same time.
Clavel, Michael +7 more
core +3 more sources
Co3O4 catalysts on CeO2-ZrO2 supports and Co3O4-CeO2 catalysts on Al2O3/SiO2 supports for the oxidation of propylene [PDF]
, 2015 Different compositions of Co3O4 catalysts on CeO2-ZrO2 solid solution (Ce0.9Zr0.1O2 and Ce0.8Zr0.2O2) have been studied for the oxidation of propylene. The optional amount of Co3O4 active phase on CeO2-ZrO2 support of 30 wt% was found.
Le, Thang Minh +3 more
core +3 more sources
Emerging Materials and Future Strategies for Solid Oxide Electrochemical Cells
Advanced Energy Materials, EarlyView.Solid oxide electrochemical cells operate under strongly coupled electrochemical and thermodynamic conditions, where performance is constrained by interactions among crystal structure, defect chemistry, and interfacial evolution. This review, based on a structure‐defect‐property‐durability framework, reveals the roles of lattice symmetry and defect ...
Qiuchun Lu +4 more
wiley +1 more source