H2 reduction of Gd- and Sm-doped ceria compared to pure CeO2 at high temperatures: effect on structure, oxygen nonstoichiometry, hydrogen solubility and hydroxyl chemistry

2018 ◽  
Vol 20 (34) ◽  
pp. 22099-22113 ◽  
Author(s):  
Matthias Grünbacher ◽  
Lukas Schlicker ◽  
Maged F. Bekheet ◽  
Aleksander Gurlo ◽  
Bernhard Klötzer ◽  
...  
Keyword(s):  
High Temperatures ◽  
Defect Chemistry ◽  
Oxygen Nonstoichiometry ◽  
Hydrogen Solubility ◽  
Doped Ceria ◽  
Acceptor Doping ◽  
Pure Ceo2 ◽  
Bulk Structure

Acceptor doping of CeO2 substantially influences defect chemistry, bulk structure, hydrogen solubility and hydroxyl chemistry in hydrogen atmospheres.

scholarly journals Oxygen nonstoichiometry and thermodynamic characterization of Zr doped ceria in the 1573–1773 K temperature range

2015 ◽  
Vol 17 (12) ◽  
pp. 7813-7822 ◽  
Author(s):  
M. Takacs ◽  
J. R. Scheffe ◽  
A. Steinfeld
Keyword(s):  
Defect Chemistry ◽  
Oxygen Nonstoichiometry ◽  
Doped Ceria ◽  
Thermodynamic Characterization ◽  
Temperature Range ◽  
Redox Cycles ◽  
Solar Thermochemical

The thermodynamics and defect chemistry of Zr4+-doped ceria is investigated and discussed in regards to the efficiency of solar thermochemical redox cycles.

Defect Chemistry and Vacancy Concentration of Luminescent Europium Doped Ceria Nanoparticles by the Solvothermal Method

2014 ◽  
Vol 118 (20) ◽  
pp. 10700-10710 ◽  
Author(s):  
Atul V. Thorat ◽  
Tandra Ghoshal ◽  
Patrick Carolan ◽  
Justin D. Holmes ◽  
Michael A. Morris
Keyword(s):  
Solvothermal Method ◽  
Vacancy Concentration ◽  
Defect Chemistry ◽  
Ceria Nanoparticles ◽  
Doped Ceria

Accelerated ceria–zirconia solubilization by cationic diffusion inversion at low oxygen activity

2016 ◽  
Vol 4 (43) ◽  
pp. 16871-16878 ◽  
Author(s):  
Vincenzo Esposito ◽  
De Wei Ni ◽  
Debora Marani ◽  
Francesca Teocoli ◽  
Karl Tor Sune Thydén ◽  
...  
Keyword(s):  
High Temperatures ◽  
Oxygen Activity ◽  
Doped Ceria ◽  
Low Oxygen ◽  
Stabilized Zirconia ◽  
Reducing Conditions ◽  
Elemental Diffusion

Fast elemental diffusion at the Gd-doped ceria/Y-stabilized zirconia interface occurs under reducing conditions at low oxygen activity and high temperatures.

Oxygen Nonstoichiometry and Defect Chemistry Modelling of Ce0.8PrxTb0.2-xO2-δ

2019 ◽  
Vol 13 (26) ◽  
pp. 347-359 ◽  
Author(s):  
Christodoulos Chatzichristodoulou ◽  
Peter V. Hendriksen ◽  
Anke Hagen ◽  
Jean-Claude Grivel
Keyword(s):  
Defect Chemistry ◽  
Oxygen Nonstoichiometry

Oxygen nonstoichiometry and defect chemistry of perovskite-type Ca0.25Sr0.75Fe0.75Mo0.25O3−δ

2019 ◽  
Vol 236 ◽  
pp. 719-722 ◽  
Author(s):  
O.V. Merkulov ◽  
E.N. Naumovich ◽  
A.A. Markov ◽  
I.A. Leonidov ◽  
M.V. Patrakeev
Keyword(s):  
Defect Chemistry ◽  
Oxygen Nonstoichiometry ◽  
Perovskite Type

Impact of defect chemistry on cathode performance: A case study of Pr-doped ceria

2018 ◽  
Vol 314 ◽  
pp. 204-211 ◽  
Author(s):  
Christian Lenser ◽  
Felix Gunkel ◽  
Yoo Jung Sohn ◽  
Norbert H. Menzler
Keyword(s):  
Defect Chemistry ◽  
Doped Ceria
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