@inproceedings{25320402a96b49a2b03e2b4a51b8b0c1,
title = "Correlation between electrode reaction and chromium deposition in SOFC cathodes",
abstract = "In this study, Cr-poisoning in a SOFC mixed conducting cathode was investigated. To examine the influence of the electrode reaction systematically, a model patterned thin film electrode was used. La0.6Sr0.4CoO3-δ was chosen as the model cathode material. The LSC model electrode was exposed to Cr-containing oxygen at 973 K under a cathodic polarization. The Cr content in the feed gas was controlled by setting the temperature of a Cr-source at 973 K or 773 K. The degradation of the electrode performance was observed under both conditions. Deposits observed on the electrode surface were SrCrO4 for the higher Cr-concentration in the feed gas. On the other hand, deposits were Sr-compounds without detectable amount of Cr for the lower Cr-concentration. These results may indicate that not only the Cr-deposition but also the decomposition of the electrode material could be considerable causes for the Cr-poisoning in mixed conducting cathodes depending on the Cr-concentration.",
author = "S. Kageyama and Y. Shindo and Y. Fujimaki and K. Mizuno and Y. Kimura and T. Nakamura and F. Iguchi and K. Yashiro and H. Yugami and T. Kawada and K. Amezawa",
note = "Publisher Copyright: {\textcopyright} The Electrochemical Society.; 16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 ; Conference date: 08-09-2019 Through 13-09-2019",
year = "2019",
doi = "10.1149/09101.1231ecst",
language = "English",
series = "ECS Transactions",
publisher = "Electrochemical Society Inc.",
number = "1",
pages = "1231--1237",
editor = "K. Eguchi and Singhal, {S. C.}",
booktitle = "Solid Oxide Fuel Cells 16, SOFC 2019",
edition = "1",
}