Bio-inspired surfactant assisted nano-catalyst impregnation of Solid-Oxide Fuel Cell (SOFC) electrodes

Ozmen, Ozcan; Zondlo, John W.; Lee, Shiwoo; Gerdes, Kirk; Sabolsky, Edward M.

doi:10.1016/j.matlet.2015.10.159

Title: Bio-inspired surfactant assisted nano-catalyst impregnation of Solid-Oxide Fuel Cell (SOFC) electrodes

Journal Article · Sun Nov 01 23:00:00 EST 2015 · Materials Letters

DOI: https://doi.org/10.1016/j.matlet.2015.10.159 · OSTI ID:1258574

Ozmen, Ozcan ^[1]; Zondlo, John W. ^[2]; Lee, Shiwoo ^[3]; Gerdes, Kirk ^[4]; Sabolsky, Edward M. ^[1]

West Virginia Univ., Morgantown, WV (United States); National Energy Technology Lab. (NETL), Morgantown, WV (United States)
West Virginia Univ., Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States); AECOM/GES, Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States)

A bio-inspired surfactant was utilized to assist in the efficient impregnation of a nano-CeO₂ catalyst throughout both porous Solid Oxide Fuel Cells (SOFC’s) electrodes simultaneously. The process included the initial modification of electrode pore walls with a polydopamine film. The cell was then submersed into a cerium salt solution. The amount of nano-CeO₂ deposited per impregnation step increased by 3.5 times by utilizing this two-step protocol in comparison to a conventional drip impregnation method. The impregnated cells exhibited a 20% higher power density than a baseline cell without the nano-catalyst at 750°C (using humid H₂ fuel).

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Research Organization:: National Energy Technology Lab. (NETL), Morgantown, WV (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FE0004000

OSTI ID:: 1258574

Report Number(s):: A-CONTR-PUB-057; PII: S0167577X15308107

Journal Information:: Materials Letters, Journal Name: Materials Letters Journal Issue: C Vol. 164; ISSN 0167-577X

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Versatile Surface Modification Using Polydopamine and Related Polycatecholamines: Chemistry, Structure, and Applications Barclay, Thomas G.; Hegab, Hanaa M.; Clarke, Stephen R. Advanced Materials Interfaces, Vol. 4, Issue 19 https://doi.org/10.1002/admi.201601192	journal	September 2017

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polydopamine

Title: Bio-inspired surfactant assisted nano-catalyst impregnation of Solid-Oxide Fuel Cell (SOFC) electrodes

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