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Title: Enhancing Activity, Charge Transport, Power Production, and Stability of Commercial Solid Oxide Fuel Cells with Yttria-Stabilized Zirconia Nanoparticles

Abstract

Interconnected networks of 10–30 nm yttria-stabilized zirconia (YSZ) nanoparticles dramatically enhance both the electrocatalytic activity and bulk charge transport of commercial lanthanum strontium manganite (LSM)-YSZ solid oxide fuel cell (SOFC) cathodes. The improvement in both electrode functions increases the maximum power density of the commercial SOFC by 90%. In comparison, modifying cathodes with lanthanum strontium cobalt ferrite (LSCF) and praseodymium barium cobaltite (PBC) nanoparticles, highly active catalysts with mixed ionic-electronic conductivity (MIEC), only enhances electrocatalytic activity. The combination of dual enhanced electrode functions with nanoYSZ results in a maximum power density that is 50% and 11% higher than LSCF and PBC, respectively. Finally, the performance stability over time is highest for nanoYSZ modified cells.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Org.:
USDOE; National Science Foundation (NSF)
OSTI Identifier:
1596900
Alternate Identifier(s):
OSTI ID: 1635620
Grant/Contract Number:  
RSS Contract 89243318CFE000003; 89243318CFE000003; CMMI-1651186
Resource Type:
Published Article
Journal Name:
Journal of the Electrochemical Society (Online)
Additional Journal Information:
Journal Name: Journal of the Electrochemical Society (Online) Journal Volume: 167 Journal Issue: 2; Journal ID: ISSN 1945-7111
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Muhoza, Sixbert P., Lee, Shiwoo, Song, Xueyan, Guan, Bo, Yang, Tao, and Gross, Michael D. Enhancing Activity, Charge Transport, Power Production, and Stability of Commercial Solid Oxide Fuel Cells with Yttria-Stabilized Zirconia Nanoparticles. United States: N. p., 2020. Web. doi:10.1149/1945-7111/ab6eed.
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Muhoza, Sixbert P., Lee, Shiwoo, Song, Xueyan, Guan, Bo, Yang, Tao, & Gross, Michael D. Enhancing Activity, Charge Transport, Power Production, and Stability of Commercial Solid Oxide Fuel Cells with Yttria-Stabilized Zirconia Nanoparticles. United States. https://doi.org/10.1149/1945-7111/ab6eed
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Muhoza, Sixbert P., Lee, Shiwoo, Song, Xueyan, Guan, Bo, Yang, Tao, and Gross, Michael D. Wed . "Enhancing Activity, Charge Transport, Power Production, and Stability of Commercial Solid Oxide Fuel Cells with Yttria-Stabilized Zirconia Nanoparticles". United States. https://doi.org/10.1149/1945-7111/ab6eed.
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@article{osti_1596900,
title = {Enhancing Activity, Charge Transport, Power Production, and Stability of Commercial Solid Oxide Fuel Cells with Yttria-Stabilized Zirconia Nanoparticles},
author = {Muhoza, Sixbert P. and Lee, Shiwoo and Song, Xueyan and Guan, Bo and Yang, Tao and Gross, Michael D.},
abstractNote = {Interconnected networks of 10–30 nm yttria-stabilized zirconia (YSZ) nanoparticles dramatically enhance both the electrocatalytic activity and bulk charge transport of commercial lanthanum strontium manganite (LSM)-YSZ solid oxide fuel cell (SOFC) cathodes. The improvement in both electrode functions increases the maximum power density of the commercial SOFC by 90%. In comparison, modifying cathodes with lanthanum strontium cobalt ferrite (LSCF) and praseodymium barium cobaltite (PBC) nanoparticles, highly active catalysts with mixed ionic-electronic conductivity (MIEC), only enhances electrocatalytic activity. The combination of dual enhanced electrode functions with nanoYSZ results in a maximum power density that is 50% and 11% higher than LSCF and PBC, respectively. Finally, the performance stability over time is highest for nanoYSZ modified cells.},
doi = {10.1149/1945-7111/ab6eed},
journal = {Journal of the Electrochemical Society (Online)},
number = 2,
volume = 167,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 2020},
month = {Wed Jan 01 00:00:00 EST 2020}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1149/1945-7111/ab6eed
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Citation Metrics:
Cited by: 10 works
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Figures / Tables:

Figure 1 Figure 1: TEM images of YSZ-Glucose (a) heated to 850 °C in N2 and (b)–(c) subsequently calcined in air at 700 °C. (c) Zoomed in view of (b). (d) TEM electron diffraction ring of YSZ nanoparticles (depicted in (c) with a cubic crystal structure.
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Works referenced in this record:

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