期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 35, 期 20, 页码 11194-11199出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.06.073
关键词
Proton conductor; Solid oxide fuel cells; Performance; Durability
资金
- Department of Energy [09-510]
The performances of solid oxide fuel cells with proton conductors BaCe0.7In0.3-xYxO3-delta (BCIY, x = 0, 0.1, 0.2, 0.3) as electrolytes were investigated in this work. The cell based on BaCe0.7In0.2Y0.1O3-delta electrolyte showed maximum power outputs of 0.114, 0.204 and 0.269 wcm(-2) at 600, 650 and 700 degrees C, respectively. After operating at a constant cell voltage output of 0.5V for 40h, no obvious degradation in performance was observed for the cells based on BaCe0.7In0.3O3-delta and BaCe0.7In0.2Y0.1O3-delta electrolytes. However, although relatively lower resistances and higher initial power outputs were found for cells based on BaCe0.7In0.1Y0.2O3-delta and BaCe0.7Y0.3O3-delta electrolytes, rapid cell performance degradations were observed for these two cells. The stability under cell operating conditions remained a challenge for cells using BaCe0.7In0.1Y0.2O3-delta and BaCe0.7Y0.3O3-delta electrolytes. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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