Application of Li-, Mg-, Ba-, Sr-, Ca-, and Sn-doped ceria for solar-driven thermochemical conversion of carbon dioxide
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DOI: 10.1007/s10853-020-04875-1
Abstract: The redox reactivity of the Li-, Mg-, Ca-, Sr-, Ba-, and Sn-doped ceria (Ce0.9A0.1O2−δ) toward thermochemical CO2 splitting is investigated. Proposed Ce0.9A0.1O2−δ materials are prepared via co-precipitation of the hydroxide technique. The composition, morphology, and… read more here.
Keywords: ce0 9a0; usepackage; 9a0 1o2; doped ceria ... See more keywords
Low temperature microwave sintering of yttrium and samarium co-doped ceria solid electrolytes for IT-SOFCs
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DOI: 10.1007/s11581-017-2293-5
Abstract: Nanocrystalline co-doped ceria Ce0.8Sm0.2−xYxO2−δ solid electrolytes for intermediate-temperature solid oxide fuel cells (IT-SOFCs) were synthesized through sol–gel auto-combustion method. The prepared samples were sintered via microwave sintering at 1200 °C for 1 h. The X-ray diffraction analysis… read more here.
Keywords: temperature; analysis; doped ceria; microwave sintering ... See more keywords
Preparation by different methods and analytical characterization of gadolinium-doped ceria
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DOI: 10.1007/s11696-017-0264-y
Abstract: The present work reports the influence of chemical synthesis on structural, morphological and optical properties of gadolinium-doped ceria (GDC) with analytical characterization of synthesized specimens. GDC powders with Gd content of 10, 15 and 20 mol%… read more here.
Keywords: preparation different; gadolinium doped; analytical characterization; doped ceria ... See more keywords
Oxalic acid assisted synthesis of the gadolinium-doped ceria oxide-ion conductor as electrolyte for the solid oxide fuel cells
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DOI: 10.1007/s11696-018-0648-7
Abstract: The aim of this paper is to investigate the thermal behavior of as-prepared Gd–Ce–O acetate–oxalate (GCO–AO) precursors and their affinity to the decomposition processes of the starting materials by means of thermogravimetric and differential scanning… read more here.
Keywords: gadolinium doped; gdc ceramic; doped ceria; heat treated ... See more keywords
Quantifying oxygen vacancies in neodymium and samarium doped ceria from heat capacity measurements
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DOI: 10.1016/j.actamat.2020.02.055
Abstract: Abstract It has been previously reported in the literature that the vacancy concentration in a solid can be estimated using the linear term derived from low temperature heat capacity measurements. This paper investigates how such… read more here.
Keywords: vacancy; doped ceria; heat; heat capacity ... See more keywords
Promoted methane activation on doped ceria via occupation of Pr(4f) states
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.07.090
Abstract: Abstract Steam reforming of the methane stream obtained from biomass gasification is a potential route for sustainable syngas (CO + H2) and hydrogen production. The rate-limiting step for the reactions involved in methane steam reforming (MSR) is… read more here.
Keywords: occupation; promoted methane; doped ceria; activation ... See more keywords
Synthesis and application of rare-earth elements (Gd, Sm, and Nd) doped ceria-based solid solutions for methyl mercaptan catalytic decomposition
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DOI: 10.1016/j.cattod.2016.06.022
Abstract: Abstract A series of rare earth elements with different ionic radii (RE = Gd, Sm and Nd) doped ceria solid solutions and pure ceria catalyst were rapidly prepared by citrate-complexation method. These catalysts were evaluated for catalytic… read more here.
Keywords: earth elements; rare earth; doped ceria; catalytic decomposition ... See more keywords
Chemical solution deposition of pure and Gd-doped ceria thin films: Structural, morphological and optical properties
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DOI: 10.1016/j.ceramint.2016.12.070
Abstract: Abstract High quality smooth, uniform and crack-free ceria and gadolinium doped ceria (GDC) thin films were prepared on Si and Si/YSZ substrates by chemical solution deposition. The thermal behavior of Gd-Ce-O precursor was investigated by… read more here.
Keywords: thin films; microscopy; optical properties; doped ceria ... See more keywords
An efficient Sm and Ge co-doped ceria nanocomposite electrolyte for low temperature solid oxide fuel cells
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DOI: 10.1016/j.ceramint.2017.09.155
Abstract: Abstract In this study we present a new nanocomposite electrolyte based on samarium (Sm) and germanium (Ge) co-doped ceria Ce 0.7 Sm 0.15 Ge 0.15 O 2-δ (SGeDC). The nanocomposite electrolyte was prepared using co-precipitation… read more here.
Keywords: nanocomposite electrolyte; low temperature; doped ceria; fuel ... See more keywords
Anisotropic mechanical behavior of gadolinia-doped ceria solid electrolytes under tensile loading
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DOI: 10.1016/j.ceramint.2018.10.014
Abstract: Abstract The electrolyte of solid oxide fuel cells is generally a ceramic material whose inherent brittleness greatly limits its application. Understanding the fracture mechanism of electrolyte materials is an important issue to be resolved. In… read more here.
Keywords: gadolinia doped; fracture; solid electrolytes; doped ceria ... See more keywords
Low temperature densification by lithium co-doping and its effect on ionic conductivity of samarium doped ceria electrolyte
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DOI: 10.1016/j.ceramint.2018.11.251
Abstract: Abstract Low temperature densification and improving the ionic conductivity of doped ceria electrolyte is important for the realization of efficient intermediate temperature solid oxide fuel cell system. Herein, we report the effect of lithium co-doping… read more here.
Keywords: temperature densification; temperature; low temperature; doped ceria ... See more keywords