Optimized Lanthanum Ferrite-Based Cathodes for Anode-Supported SOFCs

Simner, S. P.; Bonnett, J. F.; Canfield, N. L.; Meinhardt, K. D.; Sprenkle, V. L.; Stevenson, J. W.

doi:10.1149/1.1483156

Optimized Lanthanum Ferrite-Based Cathodes for Anode-Supported SOFCs

Journal Article · Tue Jan 01 04:00:00 EST 2002 · Electrochemical and Solid State Letters

DOI:https://doi.org/10.1149/1.1483156· OSTI ID:1423426

Simner, S. P.; Bonnett, J. F.; Canfield, N. L.; Meinhardt, K. D.; Sprenkle, V. L.; Stevenson, J. W.

Three cathode compositions (La_0.8Sr_0.2FeO_3-δ, La_0.7Sr_0.3Fe_0.8Ni_0.2O_3-δ and LaNi_0.6Fe_0.4O_3-δ) have been tested as SOFC cathodes at operating temperatures from 650 degrees C to 750 degrees C. Sintering temperatures were established for each cathode composition to provide optimized cell performance. La_0.8Sr_0.2FeO_3-δ exhibited the highest power density (> 900 mW/cm2 at 750 degrees C and 0.7 V), and indicated excellent performance stability over a 300 hour period.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (US)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1423426

Report Number(s):: PNNL-SA-52069; AA6040000

Journal Information:: Electrochemical and Solid State Letters, Journal Name: Electrochemical and Solid State Letters Journal Issue: 7 Vol. 5; ISSN 1099-0062; ISSN ESLEF6

Publisher:: Electrochemical Society

Country of Publication:: United States

Language:: English

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