Reversible type solid oxide fuel cells using Ni-Fe-CeO2 based cermet fuel electrode and applied for metal-air rechargeable battery

Tatsumi Ishihara; Atsushi Inoishi; Hackho Kim; Shintaro Ida

doi:10.1149/06801.3279ecst

Reversible type solid oxide fuel cells using Ni-Fe-CeO₂ based cermet fuel electrode and applied for metal-air rechargeable battery

Tatsumi Ishihara, Atsushi Inoishi, Hackho Kim, Shintaro Ida

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Effects of mixed conducting oxide added for Ni-Fe were studied as fuel electrode of Solid Oxide Reversible Cells (SORC). For SOFC operation, power density is larger as the following order, Ce(Mn,Fe)O₂<NiFe=La(Sr)Ga(Mg)O₃<Ce_0.8Sm_0.2O₂<La(Sr)Fe (Mn)O₃. On the other hand, for electrolysis operation, the electrolysis current density is increased in the following order, Ce(Mn,Fe)O₂<<NiFe<La(Sr)Ga(Mg)O₃<< La(Sr)Fe(Mn)O₃ <Ce_0.8 Sm_0.2O₂. Therefore, for reversible operation, NiFe-Ce_0.8Sm_0.2O₂ (SDC) seems to be the most active. Degradation of the cell using NiFe-SDC and Sm_0.5Sr_0.5CoO₃ for fuel and air electrode, respectively, was studied at 1073 K, 100mA/cm². The observed terminal potential was 1.13 and 1.025 V for SOEC and SOFC respectively at initial cycle and the observed potential slightly increased for SOFC and decreased for SOEC with increasing cycle number, however, after 50 cycles; the observed terminal potential was 1.15 and 1.0 V for SOFC and SOFC, respectively. Therefore, the degradation is hardly observed for the reversible operation of the cell. Combination of SORC with metal oxidation could open a new application area for fuel cell. In this study, application of SORC for reversible metal-air battery has been studied.

Original language	English
Title of host publication	Solid Oxide Fuel Cells 14, SOFC 2015
Editors	S. C. Singhal, K. Eguchi
Publisher	Electrochemical Society Inc.
Pages	3279-3288
Number of pages	10
Edition	1
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/06801.3279ecst
Publication status	Published - Jan 1 2015
Event	14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage - Glasgow, United Kingdom Duration: Jul 26 2015 → Jul 31 2015

Publication series

Name	ECS Transactions
Number	1
Volume	68
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Other

Other	14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage
Country/Territory	United Kingdom
City	Glasgow
Period	7/26/15 → 7/31/15

All Science Journal Classification (ASJC) codes

Engineering(all)

Access to Document

10.1149/06801.3279ecst

Cite this

Ishihara, T., Inoishi, A., Kim, H., & Ida, S. (2015). Reversible type solid oxide fuel cells using Ni-Fe-CeO₂ based cermet fuel electrode and applied for metal-air rechargeable battery. In S. C. Singhal, & K. Eguchi (Eds.), Solid Oxide Fuel Cells 14, SOFC 2015 (1 ed., pp. 3279-3288). (ECS Transactions; Vol. 68, No. 1). Electrochemical Society Inc.. https://doi.org/10.1149/06801.3279ecst

Reversible type solid oxide fuel cells using Ni-Fe-CeO₂ based cermet fuel electrode and applied for metal-air rechargeable battery. / Ishihara, Tatsumi ; Inoishi, Atsushi; Kim, Hackho et al.
Solid Oxide Fuel Cells 14, SOFC 2015. ed. / S. C. Singhal; K. Eguchi. 1. ed. Electrochemical Society Inc., 2015. p. 3279-3288 (ECS Transactions; Vol. 68, No. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ishihara, T , Inoishi, A, Kim, H & Ida, S 2015, Reversible type solid oxide fuel cells using Ni-Fe-CeO₂ based cermet fuel electrode and applied for metal-air rechargeable battery. in SC Singhal & K Eguchi (eds), Solid Oxide Fuel Cells 14, SOFC 2015. 1 edn, ECS Transactions, no. 1, vol. 68, Electrochemical Society Inc., pp. 3279-3288, 14th International Symposium on Solid Oxide Fuel Cells, SOFC 2015; held as part of the Electrochemical Society, ECS Conference on Electrochemical Energy Conversion and Storage, Glasgow, United Kingdom, 7/26/15. https://doi.org/10.1149/06801.3279ecst

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abstract = "Effects of mixed conducting oxide added for Ni-Fe were studied as fuel electrode of Solid Oxide Reversible Cells (SORC). For SOFC operation, power density is larger as the following order, Ce(Mn,Fe)O2<NiFe=La(Sr)Ga(Mg)O3<Ce0.8Sm0.2O2<La(Sr)Fe (Mn)O3. On the other hand, for electrolysis operation, the electrolysis current density is increased in the following order, Ce(Mn,Fe)O2<<NiFe<La(Sr)Ga(Mg)O3<< La(Sr)Fe(Mn)O3 <Ce0.8 Sm0.2O2. Therefore, for reversible operation, NiFe-Ce0.8Sm0.2O2 (SDC) seems to be the most active. Degradation of the cell using NiFe-SDC and Sm0.5Sr0.5CoO3 for fuel and air electrode, respectively, was studied at 1073 K, 100mA/cm2. The observed terminal potential was 1.13 and 1.025 V for SOEC and SOFC respectively at initial cycle and the observed potential slightly increased for SOFC and decreased for SOEC with increasing cycle number, however, after 50 cycles; the observed terminal potential was 1.15 and 1.0 V for SOFC and SOFC, respectively. Therefore, the degradation is hardly observed for the reversible operation of the cell. Combination of SORC with metal oxidation could open a new application area for fuel cell. In this study, application of SORC for reversible metal-air battery has been studied.",

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AU - Kim, Hackho

AU - Ida, Shintaro

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N2 - Effects of mixed conducting oxide added for Ni-Fe were studied as fuel electrode of Solid Oxide Reversible Cells (SORC). For SOFC operation, power density is larger as the following order, Ce(Mn,Fe)O2<NiFe=La(Sr)Ga(Mg)O3<Ce0.8Sm0.2O2<La(Sr)Fe (Mn)O3. On the other hand, for electrolysis operation, the electrolysis current density is increased in the following order, Ce(Mn,Fe)O2<<NiFe<La(Sr)Ga(Mg)O3<< La(Sr)Fe(Mn)O3 <Ce0.8 Sm0.2O2. Therefore, for reversible operation, NiFe-Ce0.8Sm0.2O2 (SDC) seems to be the most active. Degradation of the cell using NiFe-SDC and Sm0.5Sr0.5CoO3 for fuel and air electrode, respectively, was studied at 1073 K, 100mA/cm2. The observed terminal potential was 1.13 and 1.025 V for SOEC and SOFC respectively at initial cycle and the observed potential slightly increased for SOFC and decreased for SOEC with increasing cycle number, however, after 50 cycles; the observed terminal potential was 1.15 and 1.0 V for SOFC and SOFC, respectively. Therefore, the degradation is hardly observed for the reversible operation of the cell. Combination of SORC with metal oxidation could open a new application area for fuel cell. In this study, application of SORC for reversible metal-air battery has been studied.

AB - Effects of mixed conducting oxide added for Ni-Fe were studied as fuel electrode of Solid Oxide Reversible Cells (SORC). For SOFC operation, power density is larger as the following order, Ce(Mn,Fe)O2<NiFe=La(Sr)Ga(Mg)O3<Ce0.8Sm0.2O2<La(Sr)Fe (Mn)O3. On the other hand, for electrolysis operation, the electrolysis current density is increased in the following order, Ce(Mn,Fe)O2<<NiFe<La(Sr)Ga(Mg)O3<< La(Sr)Fe(Mn)O3 <Ce0.8 Sm0.2O2. Therefore, for reversible operation, NiFe-Ce0.8Sm0.2O2 (SDC) seems to be the most active. Degradation of the cell using NiFe-SDC and Sm0.5Sr0.5CoO3 for fuel and air electrode, respectively, was studied at 1073 K, 100mA/cm2. The observed terminal potential was 1.13 and 1.025 V for SOEC and SOFC respectively at initial cycle and the observed potential slightly increased for SOFC and decreased for SOEC with increasing cycle number, however, after 50 cycles; the observed terminal potential was 1.15 and 1.0 V for SOFC and SOFC, respectively. Therefore, the degradation is hardly observed for the reversible operation of the cell. Combination of SORC with metal oxidation could open a new application area for fuel cell. In this study, application of SORC for reversible metal-air battery has been studied.

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