Results 31 to 40 of about 66,942 (150)

Ceria-Zirconia Composite Electrolyte for Solid Oxide Fuel Cells [PDF]

open access: yes
Ceria-zirconia-ceria sandwich structured composite filmelectrolytes were designed in order to offer high ionic and low electronicconductivity electrolyte films.
Dokiya, Masayuki   +6 more
core   +1 more source

Síntese e caracterização de precursores de cério de alta pureza Synthesis and characterization of high purity cerium precursors

open access: yesCerâmica, 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

open access: yesMaterials 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

open access: yesJournal 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

Sol–gel processing and characterization of (RE-Y)-zirconia powders for thermal barrier coatings [PDF]

open access: yes, 2011
The effect of doping on the structural, morphological and thermal properties of ZrO2–XO1.5 (X=Y, La, Sm, Er) solid solutions for thermal barrier (TBC) applications was investigated. Oxide powders of various compositions from 9.7 to 40 mol% XO1.5 (X=Y, La,
Ansart, Florence   +9 more
core   +1 more source

Advanced Manufacturing of Composite‐Based Systems for Energy Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli   +13 more
wiley   +1 more source

Novel Ni/Ce(Ti)ZrO2 Catalysts for Methane Dry Reforming Prepared in Supercritical Alcohol Media

open access: yesEnergies, 2020
To achieve a high activity and coking stability of nickel catalysts in dry reforming of methane, materials comprised of ceria–zirconia doped by Ti were investigated as supports.
Yuliya Bespalko   +9 more
doaj   +1 more source

Supported nano gold as a recyclable catalyst for green, selective and efficient oxidation of alcohol using molecular oxygen

open access: yesOrbital: The Electronic Journal of Chemistry, 2011
The myth that gold cannot act as a catalyst has been discarded in view of recent studies, which have demonstrated the high catalytic efficiency of pure nano-gold and supported nano-gold catalysts.
Bashir Dar, Mazahar Farooqui
doaj   +1 more source

Phonon‐Driven Tetrahedral Tilts Enable Ultralow Bulk Thermal Expansion and Interstitial Oxide‐Ion Migration in Phenacite Solid Electrolytes

open access: yesAdvanced Science, EarlyView.
This work demonstrates a design paradigm of phonon‐driven negative‐thermal‐expansion (NTE) flexible framework that exploits the intrinsic lattice flexibility of NTE frameworks to simultaneously suppress thermal expansion and activate oxide‐ion conduction, offering a promising strategy to mitigate TEC mismatch in solid‐state ionic devices.
Xiaohui Li   +10 more
wiley   +1 more source

Behavior of osteoblastic cells cultured on titanium and structured zirconia surfaces [PDF]

open access: yes, 2008
Background Osseointegration is crucial for the long-term success of dental implants and depends on the tissue reaction at the tissue-implant interface.
Ulrich Meyer   +23 more
core   +2 more sources

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