Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC

Ika Dewi Wijayanti; Putu Suwarta; Chen Chia Chou

doi:10.1007/978-981-19-0867-5_14

Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC

Ika Dewi Wijayanti^*
, Putu Suwarta
, Chen Chia Chou

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

1 Citation (Scopus)

Abstract

The effect of microwave heating energy on the Ce_0.78Gd_0.2Sr_0.02O_2-δ (GDCSr) electrospun nanofiber composite cathode was studied. Two compositions containing 50 and 80 wt.% GDCSr nanofibers were mixed with LSCF6428 powder (L5G5 and L2G8). A temperature set of 900, 1000, and 1100 °C for 1 h were selected to perform microwave heating. The electrochemical performance was carried out at 500–800 °C. The phase composition and morphology of the composite cathode microstructure were analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). A porosity value close to 50% was achieved by the L5G5 composite cathode using the Archimedes method. As much 68.1 mA/cm² of I₀ and 1.6 Ω of resistance polarization were achieved by L5G5 cathode. The excellent collaboration between the unique properties of nanofibers and the selective heating properties of microwave energy enhances the electrochemical properties of composite cathode. Thus, a large number of triple boundary phase (TPB) sites can be effectively formed improving the transportation of oxygen ions into the electrolyte.

Original language	English
Title of host publication	Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021
Editors	Ivan Tolj, M.V. Reddy, Achmad Syaifudin
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	112-120
Number of pages	9
ISBN (Print)	9789811908668
DOIs	https://doi.org/10.1007/978-981-19-0867-5_14
Publication status	Published - 19 Aug 2022
Event	5th International Conference on Mechanical Engineering, ICOME 2021 - Virtual, Online Duration: 25 Aug 2021 → 26 Aug 2021

Publication series

Name	Lecture Notes in Mechanical Engineering
ISSN (Print)	2195-4356
ISSN (Electronic)	2195-4364

Conference

Conference	5th International Conference on Mechanical Engineering, ICOME 2021
City	Virtual, Online
Period	25/08/21 → 26/08/21

Bibliographical note

Funding Information:
Acknowledgements. Authors wish to acknowledge the Department of Mechanical Engineering NTUST for the assistance and the place for doing the experiments and the Department of Mechanical Engineering ITS for the support to finish this research.

Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

Keywords

Composite cathode
Electrochemical performance
Electrospun nanofiber
Intermediate SOFC
Microwave heating energy

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Wijayanti, I. D., Suwarta, P., & Chou, C. C. (2022). Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC. In I. Tolj, M. V. Reddy, & A. Syaifudin (Eds.), Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021 (pp. 112-120). (Lecture Notes in Mechanical Engineering). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-981-19-0867-5_14

Wijayanti, Ika Dewi ; Suwarta, Putu ; Chou, Chen Chia. / Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC. Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. editor / Ivan Tolj ; M.V. Reddy ; Achmad Syaifudin. Springer Science and Business Media Deutschland GmbH, 2022. pp. 112-120 (Lecture Notes in Mechanical Engineering).

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title = "Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC",

abstract = "The effect of microwave heating energy on the Ce0.78Gd0.2Sr0.02O2-δ (GDCSr) electrospun nanofiber composite cathode was studied. Two compositions containing 50 and 80 wt.\% GDCSr nanofibers were mixed with LSCF6428 powder (L5G5 and L2G8). A temperature set of 900, 1000, and 1100 °C for 1 h were selected to perform microwave heating. The electrochemical performance was carried out at 500{\textendash}800 °C. The phase composition and morphology of the composite cathode microstructure were analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). A porosity value close to 50\% was achieved by the L5G5 composite cathode using the Archimedes method. As much 68.1 mA/cm2 of I0 and 1.6 Ω of resistance polarization were achieved by L5G5 cathode. The excellent collaboration between the unique properties of nanofibers and the selective heating properties of microwave energy enhances the electrochemical properties of composite cathode. Thus, a large number of triple boundary phase (TPB) sites can be effectively formed improving the transportation of oxygen ions into the electrolyte.",

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note = "Funding Information: Acknowledgements. Authors wish to acknowledge the Department of Mechanical Engineering NTUST for the assistance and the place for doing the experiments and the Department of Mechanical Engineering ITS for the support to finish this research. Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.; 5th International Conference on Mechanical Engineering, ICOME 2021 ; Conference date: 25-08-2021 Through 26-08-2021",

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Wijayanti, ID, Suwarta, P & Chou, CC 2022, Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC. in I Tolj, MV Reddy & A Syaifudin (eds), Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. Lecture Notes in Mechanical Engineering, Springer Science and Business Media Deutschland GmbH, pp. 112-120, 5th International Conference on Mechanical Engineering, ICOME 2021, Virtual, Online, 25/08/21. https://doi.org/10.1007/978-981-19-0867-5_14

Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC. / Wijayanti, Ika Dewi; Suwarta, Putu; Chou, Chen Chia.
Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. ed. / Ivan Tolj; M.V. Reddy; Achmad Syaifudin. Springer Science and Business Media Deutschland GmbH, 2022. p. 112-120 (Lecture Notes in Mechanical Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC

AU - Wijayanti, Ika Dewi

AU - Suwarta, Putu

AU - Chou, Chen Chia

N1 - Funding Information: Acknowledgements. Authors wish to acknowledge the Department of Mechanical Engineering NTUST for the assistance and the place for doing the experiments and the Department of Mechanical Engineering ITS for the support to finish this research. Publisher Copyright: © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

PY - 2022/8/19

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N2 - The effect of microwave heating energy on the Ce0.78Gd0.2Sr0.02O2-δ (GDCSr) electrospun nanofiber composite cathode was studied. Two compositions containing 50 and 80 wt.% GDCSr nanofibers were mixed with LSCF6428 powder (L5G5 and L2G8). A temperature set of 900, 1000, and 1100 °C for 1 h were selected to perform microwave heating. The electrochemical performance was carried out at 500–800 °C. The phase composition and morphology of the composite cathode microstructure were analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). A porosity value close to 50% was achieved by the L5G5 composite cathode using the Archimedes method. As much 68.1 mA/cm2 of I0 and 1.6 Ω of resistance polarization were achieved by L5G5 cathode. The excellent collaboration between the unique properties of nanofibers and the selective heating properties of microwave energy enhances the electrochemical properties of composite cathode. Thus, a large number of triple boundary phase (TPB) sites can be effectively formed improving the transportation of oxygen ions into the electrolyte.

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KW - Intermediate SOFC

KW - Microwave heating energy

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Wijayanti ID, Suwarta P, Chou CC. Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC. In Tolj I, Reddy MV, Syaifudin A, editors, Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. Springer Science and Business Media Deutschland GmbH. 2022. p. 112-120. (Lecture Notes in Mechanical Engineering). doi: 10.1007/978-981-19-0867-5_14

Study of the Microwave Heating Energy Effect on the Electrochemical Performance of GDCSr Electrospun Nanofiber Composite Cathode for Intermediate SOFC

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