NDLI: Anode performance of Mn-doped ceria–ScSZ for solid oxide fuel cell

Content Provider	Springer Nature Link
Author	Cai, Guoqiang Liu, Renzhu Zhao, Chunhua Li, Junliang Wang, Shaorong Wen, Tinglian
Copyright Year	2010
Abstract	The 70 wt.% Mn-doped CeO2 (MDC)-30 wt.% Scandia-stabilized zirconia (ScSZ) composites are evaluated as anode materials for solid oxide fuel cells (SOFCs) in terms of chemical compatibility, thermal expansion coefficient, electrical conductivity, and fuel cell performance in H2 and CH4. The conductivity of MDC10 (10 mol.% Mn-doping), MDC20, and CeO2 are 4.12, 2.70, and 1.94 S cm−1 in H2 at 900 °C. With 10 mol.% Mn-doping, the fuel cells performances improve from 166 to 318 mW cm−2 in H2 at 900 °C. The cell with MDC10–ScSZ anode exhibits a better performance than the one with MDC20–ScSZ in CH4, the maximum power density increases from 179 to 262 mW cm−2. Electrochemical impedance spectra indicate that the Mn doping into CeO2 can reduce the ohmic and polarization resistance, thus leading to a higher performance. The results demonstrate the potential ability of MDC10–ScSZ composite to be used as SOFCs anode.
Starting Page	147
Ending Page	152
Page Count	6
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	15
Issue Number	1
e-ISSN	14330768
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-05-04
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Solid oxide fuel cell Manganese doped-ceria Anode Scandia-stabilized zirconia Methane Characterization and Evaluation of Materials Analytical Chemistry Industrial Chemistry/Chemical Engineering Physical Chemistry Electrical Engineering Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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