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    Rights statement: This is the author’s version of a work that was accepted for publication in Solid State Ionics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Solid State Ionics, 345, 2020 DOI: 10.1016/j.ssi.2019.115175

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X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell

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X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell. / Woo, S.H.; Park, D.S.; Choi, W. et al.
In: Solid State Ionics, Vol. 345, 115175, 29.02.2020.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Woo, SH, Park, DS, Choi, W, Kang, H, Baek, S-W, Kim, H-S, Shin, TH, Park, J-Y, Schlegl, H & Kim, JH 2020, 'X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell', Solid State Ionics, vol. 345, 115175. https://doi.org/10.1016/j.ssi.2019.115175

APA

Woo, S. H., Park, D. S., Choi, W., Kang, H., Baek, S-W., Kim, H-S., Shin, T. H., Park, J-Y., Schlegl, H., & Kim, J. H. (2020). X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell. Solid State Ionics, 345, Article 115175. https://doi.org/10.1016/j.ssi.2019.115175

Vancouver

Woo SH, Park DS, Choi W, Kang H, Baek S-W, Kim H-S et al. X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell. Solid State Ionics. 2020 Feb 29;345:115175. Epub 2019 Dec 9. doi: 10.1016/j.ssi.2019.115175

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Bibtex

@article{3215fce5b2ec484998a4fe425d2695d7,
title = "X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell",
abstract = "In this study, the chemical states of a powder type and an impregnated type of the La0.4Sr0.6Ti0.8Mn0.2O3±d (LSTM) oxide system were investigated along with its electrical conductivities in order to apply these materials as alternative anode materials for high temperature-operating Solid Oxide Fuel Cells (HT-SOFCs).The Ni/8YSZ samples with LSTM impregnated into the pores created by partially removing nickel, Ni/8YSZ (Ni (R)/8YSZ), showed much higher electrical conductivity values than those of unimpregnated Ni/8YSZ (Ni (E)/8YSZ) samples under dry H2 fuel condition.Reduction of Mn4+ to Mn3+ was observed when LSTM was reduced. Additional reduction properties of Mn2+ from Mn3+ and satellite peaks were found when impregnated LSTM was coated onto a Ni/8YSZ substrate. The reduction of the charge state of Ti contained in LSTM showed the same behavior as the reduction property of Mn. However, a satellite peak identified as metal Ti was only observed when impregnated LSTM was coated on a selectively Ni-removed Ni/8YSZ (Ni (R)/8YSZ) substrate.",
keywords = "High temperature-operating solid oxide fuel cell (HT-SOFC), Anode, Electrical conductivity, X-ray photoelectron spectroscopy (XPS), Binding energy (BE), Impregnation",
author = "S.H. Woo and D.S. Park and W. Choi and H. Kang and S.-W. Baek and H.-S. Kim and T.H. Shin and J.-Y. Park and H. Schlegl and J.H. Kim",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Solid State Ionics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Solid State Ionics, 345, 2020 DOI: 10.1016/j.ssi.2019.115175",
year = "2020",
month = feb,
day = "29",
doi = "10.1016/j.ssi.2019.115175",
language = "English",
volume = "345",
journal = "Solid State Ionics",
issn = "0167-2738",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - X-ray photoelectron spectroscopic study of impregnated La0.4Sr0.6Ti0.8Mn0.2O3±d anode material for high temperature-operating solid oxide fuel cell

AU - Woo, S.H.

AU - Park, D.S.

AU - Choi, W.

AU - Kang, H.

AU - Baek, S.-W.

AU - Kim, H.-S.

AU - Shin, T.H.

AU - Park, J.-Y.

AU - Schlegl, H.

AU - Kim, J.H.

N1 - This is the author’s version of a work that was accepted for publication in Solid State Ionics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Solid State Ionics, 345, 2020 DOI: 10.1016/j.ssi.2019.115175

PY - 2020/2/29

Y1 - 2020/2/29

N2 - In this study, the chemical states of a powder type and an impregnated type of the La0.4Sr0.6Ti0.8Mn0.2O3±d (LSTM) oxide system were investigated along with its electrical conductivities in order to apply these materials as alternative anode materials for high temperature-operating Solid Oxide Fuel Cells (HT-SOFCs).The Ni/8YSZ samples with LSTM impregnated into the pores created by partially removing nickel, Ni/8YSZ (Ni (R)/8YSZ), showed much higher electrical conductivity values than those of unimpregnated Ni/8YSZ (Ni (E)/8YSZ) samples under dry H2 fuel condition.Reduction of Mn4+ to Mn3+ was observed when LSTM was reduced. Additional reduction properties of Mn2+ from Mn3+ and satellite peaks were found when impregnated LSTM was coated onto a Ni/8YSZ substrate. The reduction of the charge state of Ti contained in LSTM showed the same behavior as the reduction property of Mn. However, a satellite peak identified as metal Ti was only observed when impregnated LSTM was coated on a selectively Ni-removed Ni/8YSZ (Ni (R)/8YSZ) substrate.

AB - In this study, the chemical states of a powder type and an impregnated type of the La0.4Sr0.6Ti0.8Mn0.2O3±d (LSTM) oxide system were investigated along with its electrical conductivities in order to apply these materials as alternative anode materials for high temperature-operating Solid Oxide Fuel Cells (HT-SOFCs).The Ni/8YSZ samples with LSTM impregnated into the pores created by partially removing nickel, Ni/8YSZ (Ni (R)/8YSZ), showed much higher electrical conductivity values than those of unimpregnated Ni/8YSZ (Ni (E)/8YSZ) samples under dry H2 fuel condition.Reduction of Mn4+ to Mn3+ was observed when LSTM was reduced. Additional reduction properties of Mn2+ from Mn3+ and satellite peaks were found when impregnated LSTM was coated onto a Ni/8YSZ substrate. The reduction of the charge state of Ti contained in LSTM showed the same behavior as the reduction property of Mn. However, a satellite peak identified as metal Ti was only observed when impregnated LSTM was coated on a selectively Ni-removed Ni/8YSZ (Ni (R)/8YSZ) substrate.

KW - High temperature-operating solid oxide fuel cell (HT-SOFC)

KW - Anode

KW - Electrical conductivity

KW - X-ray photoelectron spectroscopy (XPS)

KW - Binding energy (BE)

KW - Impregnation

U2 - 10.1016/j.ssi.2019.115175

DO - 10.1016/j.ssi.2019.115175

M3 - Journal article

VL - 345

JO - Solid State Ionics

JF - Solid State Ionics

SN - 0167-2738

M1 - 115175

ER -