The influence of Al dopant on the structure, densification behavior and electrical conductivity of heavily doped Sm2Ti2O7

Cioateră, Nicoleta; Rosculete, Catalin-Aurelian; Voinea, Elena-Adriana; Roșculete, Elena; Spinu, C.I.

doi:10.1016/j.jallcom.2018.06.128

Cited by 13 publications

(2 citation statements)

References 27 publications

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“…The doping of both Cr and Al have shown a good enhancement and stability of electrical conductivities especially for x = 0.1 with lower activation energy value of 0.087 eV. Meanwhile, the doping of Cr is lowering the oxidation state but doping of Al increases the oxygen vacancy concentration which gives more stability in electrochemical transportation of ions. Figure shows the Arrhenius plots for all samples and Table lists the summarized conductivity results and how its varying with doping percentage of Cr and Al.…”

Section: Resultsmentioning

confidence: 99%

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Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs

Abdalla

Kamel

Hossain

et al. 2019

Int J Applied Ceramic Tech

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The main emphasis of this work is to create a new perovskite material with three different compositions (La 0.75 Sr 0.25 Mn 0.5 Cr 0.5−x AlxO 3 , x = 0.1, 0.2, 0.3) applied in both Intermediate-and High-temperature Solid Oxide Fuel Cells (IT-and HT-SOFCs). Perovskite-type polycrystalline La 0.75 Sr 0.25 Mn 0.5 Cr 0.5−x Al x O 3−δ (x = 0.1, 0.2, 0.3) powders were synthesized and formed in a single phase structure by a dry chemistry route (standard solid-state reaction method). The effect of Al doping on physicochemical and surface properties has been discovered. The compounds were crystallized in single phase rhombohedral symmetry (R-3C Space. Group). Total conductivity of Al doping in wet 5% H 2 was higher than both dry 5% H 2 and air. The obtained results enhance the electro-catalytic performance and the material conductivity as well, which will be good for anode materials in IT-and HT-SOFCs and the optimum doping is 10%. K E Y W O R D S AC conductivity, binding energy, electrical conductivity, perovskite, XPS F I G U R E 1 Rietveld refinement profile of XRD data of La 0.75 Sr 0.25 Mn 0.5 Cr 0.3 Al 0.2 O 3−δ in the rhombohedral symmetry [Color figure can be viewed at wileyonlinelibrary.com] How to cite this article: Abdalla AM, Kamel M, Hossain S, Irvine JTS, Azad AK. Synthesis and electrochemical characterization of La 0.75 Sr 0.25 Mn 0.5 Cr 0.5−x Al x O 3 , for IT-and HT-SOFCs.

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Section: Resultsmentioning

confidence: 99%

“…In addition to highest value of 3.0 × 10 −5 S cm −1 in wet N2 at IT of 800°C. While Nicoleta Cioatera et al have shown a great enhancement of the Al‐doped material {Sm 2 Ti 2− x Al x O 7− d ( x = 0, 0.1, 0.2)} in the electrical conductivity with lower activation energy of 0.64 eV at temperature lower than 700°C.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs

Abdalla

Kamel

Hossain

et al. 2019

Int J Applied Ceramic Tech

View full text Add to dashboard Cite

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The influences of molecular weight of polyethylene glycol on porous Sm2Ti2O7 for degradation of reactive Brilliant Red X-3B

Wang²,

Zhang³

et al. 2022

J Sol-Gel Sci Technol

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The effects of chain length of polyethylene glycol on porous Na2Ti6O13 for photocatalytic degradation of ofloxacin

Fu,

Zhang,

2023

J Sol-Gel Sci Technol

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The influence of Al dopant on the structure, densification behavior and electrical conductivity of heavily doped Sm2Ti2O7

Cited by 13 publications

References 27 publications

Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs

Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs

The influences of molecular weight of polyethylene glycol on porous Sm2Ti2O7 for degradation of reactive Brilliant Red X-3B

The effects of chain length of polyethylene glycol on porous Na2Ti6O13 for photocatalytic degradation of ofloxacin

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The influence of Al dopant on the structure, densification behavior and electrical conductivity of heavily doped Sm2Ti2O7

Cited by 13 publications

References 27 publications

Synthesis and electrochemical characterization of La0.75Sr0.25Mn0.5Cr0.5−xAlxO3, for IT‐ and HT‐SOFCs

Synthesis and electrochemical characterization of La0.75Sr0.25Mn0.5Cr0.5−xAlxO3, for IT‐ and HT‐SOFCs

The influences of molecular weight of polyethylene glycol on porous Sm2Ti2O7 for degradation of reactive Brilliant Red X-3B

The effects of chain length of polyethylene glycol on porous Na2Ti6O13 for photocatalytic degradation of ofloxacin

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Product

Resources

About

Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs

Synthesis and electrochemical characterization of La_0.75Sr_0.25Mn_0.5Cr_0.5−_xAl_xO₃, for IT‐ and HT‐SOFCs