Effect of Infiltration of Barium Carbonate Nanoparticles on the Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3–δ Cathodes for Protonic Ceramic Fuel Cells
Abstract
In this work BaCO3 nanoparticles were infiltrated into a La0.6Sr0.4Co0.2Fe0.8O3–δ (LSCF) electrode as a synergistic catalyst to enhance the performance of proton conducting solid oxide fuel cells (H-SOFCs). Electrochemical impedance analysis showed that the polarization resistance was dramatically reduced by nearly 75% from 1.123 Ω cm2 to 0.293 Ω cm2 at 700°C after infiltration of BaCO3 nanoparticles. The chemical stability between the BaCO3 and LSCF electrode was investigated by running a long-term 300-h test, during which the polarization resistance exhibited only minor degradation (2.22–2.20 Ω cm2). In addition, single cells with infiltrated LSCF electrode and BaCe0.7Zr0.1Y0.1Yb0.1O3–δ (BCZYYb) electrolyte yielded a maximum power density of 404 mW cm–2 at 700°C, much higher than cells with a bare LSCF electrode (268 mW cm–2 at 700°C). BaCO3 demonstrated promising performance enhancements of LSCF electrodes for H-SOFCs and warrants further development.
- Authors:
-
[3]
- Clemson Univ., SC (United States)
- National Energy Technology Lab. (NETL), Morgantown, WV (United States); AECOM, Morgantown, WV (United States)
- Clemson Univ., SC (United States); National Energy Technology Laboratory (NETL), Morgantown, WV (United States)
- Publication Date:
- Research Org.:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP)
- OSTI Identifier:
- 1631111
- Resource Type:
- Accepted Manuscript
- Journal Name:
- JOM. Journal of the Minerals, Metals & Materials Society
- Additional Journal Information:
- Journal Volume: 71; Journal Issue: 1; Journal ID: ISSN 1047-4838
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; Oxygen reduction reaction; Proton ceramic fuel cell; Infiltration
Citation Formats
Gao, Jun, Meng, Yuqing, Lee, Shiwoo, Tong, Jianhua, and Brinkman, Kyle S. Effect of Infiltration of Barium Carbonate Nanoparticles on the Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3–δ Cathodes for Protonic Ceramic Fuel Cells. United States: N. p., 2018.
Web. doi:10.1007/s11837-018-3098-3.
Gao, Jun, Meng, Yuqing, Lee, Shiwoo, Tong, Jianhua, & Brinkman, Kyle S. Effect of Infiltration of Barium Carbonate Nanoparticles on the Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3–δ Cathodes for Protonic Ceramic Fuel Cells. United States. https://doi.org/10.1007/s11837-018-3098-3
Gao, Jun, Meng, Yuqing, Lee, Shiwoo, Tong, Jianhua, and Brinkman, Kyle S. Tue .
"Effect of Infiltration of Barium Carbonate Nanoparticles on the Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3–δ Cathodes for Protonic Ceramic Fuel Cells". United States. https://doi.org/10.1007/s11837-018-3098-3. https://www.osti.gov/servlets/purl/1631111.
@article{osti_1631111,
title = {Effect of Infiltration of Barium Carbonate Nanoparticles on the Electrochemical Performance of La0.6Sr0.4Co0.2Fe0.8O3–δ Cathodes for Protonic Ceramic Fuel Cells},
author = {Gao, Jun and Meng, Yuqing and Lee, Shiwoo and Tong, Jianhua and Brinkman, Kyle S.},
abstractNote = {In this work BaCO3 nanoparticles were infiltrated into a La0.6Sr0.4Co0.2Fe0.8O3–δ (LSCF) electrode as a synergistic catalyst to enhance the performance of proton conducting solid oxide fuel cells (H-SOFCs). Electrochemical impedance analysis showed that the polarization resistance was dramatically reduced by nearly 75% from 1.123 Ω cm2 to 0.293 Ω cm2 at 700°C after infiltration of BaCO3 nanoparticles. The chemical stability between the BaCO3 and LSCF electrode was investigated by running a long-term 300-h test, during which the polarization resistance exhibited only minor degradation (2.22–2.20 Ω cm2). In addition, single cells with infiltrated LSCF electrode and BaCe0.7Zr0.1Y0.1Yb0.1O3–δ (BCZYYb) electrolyte yielded a maximum power density of 404 mW cm–2 at 700°C, much higher than cells with a bare LSCF electrode (268 mW cm–2 at 700°C). BaCO3 demonstrated promising performance enhancements of LSCF electrodes for H-SOFCs and warrants further development.},
doi = {10.1007/s11837-018-3098-3},
journal = {JOM. Journal of the Minerals, Metals & Materials Society},
number = 1,
volume = 71,
place = {United States},
year = {Tue Aug 28 00:00:00 EDT 2018},
month = {Tue Aug 28 00:00:00 EDT 2018}
}
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