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

Muhoza, Sixbert P.; Lee, Shiwoo; Song, Xueyan; Guan, Bo; Yang, Tao; Gross, Michael D.

doi:10.1149/1945-7111/ab6eed

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

Journal Article · Wed Jan 01 00:00:00 EST 2020 · Journal of the Electrochemical Society (Online)

DOI:https://doi.org/10.1149/1945-7111/ab6eed· OSTI ID:1596900

Muhoza, Sixbert P.; Lee, Shiwoo; Song, Xueyan; Guan, Bo; Yang, Tao; Gross, Michael D.

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.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)

Sponsoring Organization:: USDOE; National Science Foundation (NSF)

Grant/Contract Number:: RSS Contract 89243318CFE000003; 89243318CFE000003; CMMI-1651186

OSTI ID:: 1596900

Alternate ID(s):: OSTI ID: 1635620

Journal Information:: Journal of the Electrochemical Society (Online), Journal Name: Journal of the Electrochemical Society (Online) Vol. 167 Journal Issue: 2; ISSN 1945-7111

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 10 works

Citation information provided by
Web of Science

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