Home > Research > Publications & Outputs > Electrochemical properties of B-site non-stoich...

Research

Electronic data

  • Revised_Manuscript_Clean_Version_

    Accepted author manuscript, 857 KB, PDF document

    Available under license: CC BY: Creative Commons Attribution 4.0 International License

Links

Text available via DOI:

View graph of relations

Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC. / Im, Ji Min; Schlegl, Harald; Park, Jun-Young et al.
In: Ceramics International, Vol. 50, No. 13, 01.07.2024, p. 24565-24575.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Im, JM, Schlegl, H, Park, J-Y, Baek, S-W & Kim, JH 2024, 'Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC', Ceramics International, vol. 50, no. 13, pp. 24565-24575. https://doi.org/10.1016/j.ceramint.2024.04.192

APA

Im, J. M., Schlegl, H., Park, J.-Y., Baek, S.-W., & Kim, J. H. (2024). Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC. Ceramics International, 50(13), 24565-24575. https://doi.org/10.1016/j.ceramint.2024.04.192

Vancouver

Im JM, Schlegl H, Park JY, Baek SW, Kim JH. Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC. Ceramics International. 2024 Jul 1;50(13):24565-24575. doi: 10.1016/j.ceramint.2024.04.192

Author

Im, Ji Min ; Schlegl, Harald ; Park, Jun-Young et al. / Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC. In: Ceramics International. 2024 ; Vol. 50, No. 13. pp. 24565-24575.

Bibtex

@article{84b1c6119ce94403ba3d6d19b1578d9e,
title = "Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC",
abstract = "In this study, layered perovskites were synthesized using a non-stoichiometric synthesis strategy that allowed the variation of the amount of Co substitution in the basic composition of SmBa0.5Sr0.5Co2O5+d (SBSCO), used as a cathode material for Intermediate Temperature-operating Solid Oxide Fuel Cells (IT-SOFCs). SmBa0.5Sr0.5CoxO5+d (x = 1.9–2.1, SBSCO-1.9–2.1), B-site non-stoichiometric layered perovskites, were analyzed to characterize the electrical and electrochemical properties with respect to the Co substitution. Among them, SmBa0.5Sr0.5Co2.05O5+d (SBSCO-2.05) exhibited the best electrical and electrochemical properties with an ASR of 0.082 Ωcm2 and an electrical conductivity of 268.42 S/cm at 700 °C (measured in air within a series of measurements of increasing measuring temperature). Therefore, B-site non-stoichiometric perovskite compositions with increased Co substitution on their B sites represent a key strategy for achieving high performance cathodes compared to cathodes with stoichiometric compositions.",
author = "Im, {Ji Min} and Harald Schlegl and Jun-Young Park and Seung-Wook Baek and Kim, {Jung Hyun}",
year = "2024",
month = jul,
day = "1",
doi = "10.1016/j.ceramint.2024.04.192",
language = "English",
volume = "50",
pages = "24565--24575",
journal = "Ceramics International",
issn = "0272-8842",
publisher = "Elsevier Ltd",
number = "13",

}

RIS

TY - JOUR

T1 - Electrochemical properties of B-site non-stoichiometric layered perovskite SmBa0.5Sr0.5CoxO5+d (x=1.9∼2.1) cathodes for IT-SOFC

AU - Im, Ji Min

AU - Schlegl, Harald

AU - Park, Jun-Young

AU - Baek, Seung-Wook

AU - Kim, Jung Hyun

PY - 2024/7/1

Y1 - 2024/7/1

N2 - In this study, layered perovskites were synthesized using a non-stoichiometric synthesis strategy that allowed the variation of the amount of Co substitution in the basic composition of SmBa0.5Sr0.5Co2O5+d (SBSCO), used as a cathode material for Intermediate Temperature-operating Solid Oxide Fuel Cells (IT-SOFCs). SmBa0.5Sr0.5CoxO5+d (x = 1.9–2.1, SBSCO-1.9–2.1), B-site non-stoichiometric layered perovskites, were analyzed to characterize the electrical and electrochemical properties with respect to the Co substitution. Among them, SmBa0.5Sr0.5Co2.05O5+d (SBSCO-2.05) exhibited the best electrical and electrochemical properties with an ASR of 0.082 Ωcm2 and an electrical conductivity of 268.42 S/cm at 700 °C (measured in air within a series of measurements of increasing measuring temperature). Therefore, B-site non-stoichiometric perovskite compositions with increased Co substitution on their B sites represent a key strategy for achieving high performance cathodes compared to cathodes with stoichiometric compositions.

AB - In this study, layered perovskites were synthesized using a non-stoichiometric synthesis strategy that allowed the variation of the amount of Co substitution in the basic composition of SmBa0.5Sr0.5Co2O5+d (SBSCO), used as a cathode material for Intermediate Temperature-operating Solid Oxide Fuel Cells (IT-SOFCs). SmBa0.5Sr0.5CoxO5+d (x = 1.9–2.1, SBSCO-1.9–2.1), B-site non-stoichiometric layered perovskites, were analyzed to characterize the electrical and electrochemical properties with respect to the Co substitution. Among them, SmBa0.5Sr0.5Co2.05O5+d (SBSCO-2.05) exhibited the best electrical and electrochemical properties with an ASR of 0.082 Ωcm2 and an electrical conductivity of 268.42 S/cm at 700 °C (measured in air within a series of measurements of increasing measuring temperature). Therefore, B-site non-stoichiometric perovskite compositions with increased Co substitution on their B sites represent a key strategy for achieving high performance cathodes compared to cathodes with stoichiometric compositions.

U2 - 10.1016/j.ceramint.2024.04.192

DO - 10.1016/j.ceramint.2024.04.192

M3 - Journal article

VL - 50

SP - 24565

EP - 24575

JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

IS - 13

ER -