oxygen vacancy diffusion
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scholarly journals STUDY OF OXYGEN VACANCY DIFFUSION IN YTTRIA-DOPED CERIA AND YTTRIA-STABILIZED ZIRCONIA BY STATISTICAL MOMENT METHOD

2019 ◽  
Vol 29 (3) ◽  
Author(s):  
Le Thu Lam ◽  
Vu Van Hung ◽  
Nguyen Thanh Hai
Keyword(s):  
Oxygen Vacancy ◽  
Moment Method ◽  
Statistical Moment ◽  
Yttria Stabilized Zirconia ◽  
Doped Ceria ◽  
Migration Energy ◽  
Stabilized Zirconia ◽  
Yttria Doped Ceria ◽  
Oxygen Vacancy Diffusion ◽  
Statistical Moment Method

Oxygen vacancy diffusion in yttria-doped ceria (YDC) and yttria-stabilized zirconia(YSZ) are investigated using statistical moment method, including the anharmonicity effects of thermal lattice vibrations. The expressions of oxygen vacancy-dopant association energy and oxygen vacancy migration energy are derived in an explicit form. Calculation of the vacancy migration energy enable us to evaluate the important role of dopant cation on the oxygen vacancydiffusion. The dependences of the vacancy activation energies and diffusion coefficients in YDC and YSZ systems on dopant concentration are also discussed in detail. The calculated results are in good agreement with the other theoretical and experimental results.

scholarly journals Frontispiz: Oxygen Vacancy Diffusion and Condensation in Lithium‐Ion Battery Cathode Materials

2019 ◽  
Vol 131 (31) ◽  
Author(s):  
Sanghan Lee ◽  
Wooyoung Jin ◽  
Su Hwan Kim ◽  
Se Hun Joo ◽  
Gyutae Nam ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Lithium Ion Battery ◽  
Cathode Materials ◽  
Lithium Ion ◽  
Vacancy Diffusion ◽  
Oxygen Vacancy Diffusion

scholarly journals Frontispiece: Oxygen Vacancy Diffusion and Condensation in Lithium‐Ion Battery Cathode Materials

2019 ◽  
Vol 58 (31) ◽  
Author(s):  
Sanghan Lee ◽  
Wooyoung Jin ◽  
Su Hwan Kim ◽  
Se Hun Joo ◽  
Gyutae Nam ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Lithium Ion Battery ◽  
Cathode Materials ◽  
Lithium Ion ◽  
Vacancy Diffusion ◽  
Oxygen Vacancy Diffusion

Oxygen Vacancy Diffusion and Condensation in Lithium‐Ion Battery Cathode Materials

2019 ◽  
Vol 58 (31) ◽  
pp. 10478-10485 ◽  
Author(s):  
Sanghan Lee ◽  
Wooyoung Jin ◽  
Su Hwan Kim ◽  
Se Hun Joo ◽  
Gyutae Nam ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Lithium Ion Battery ◽  
Cathode Materials ◽  
Lithium Ion ◽  
Vacancy Diffusion ◽  
Oxygen Vacancy Diffusion
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