期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 40, 期 45, 页码 15704-15708出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.09.124
关键词
Scandia-stabilized zirconia; Thin film solid oxide fuel cells; Sputtering; Conductivity; Electrochemical impedance spectroscopy
资金
- National Research Foundation of Korea [NRF-2013R1A1A2A10065234]
- Brain Korea 21 Plus program
- Global Frontier R&D Program on Center for Multiscale Energy System - National Research Foundation under the Ministry of Education, Science and Technology, Korea [2011-0031569]
- National Research Foundation [NRF-2014R1A1A2060078]
- National Research Foundation of Korea [2015M3A6A7065442] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A high-performance thin film solid oxide fuel cell (TF-SOFC) was fabricated using a scandia-stabilized zirconia (ScSZ) thin film electrolyte deposited on an anodized aluminum oxide supporting structure. The crystallinity and ionic conductivity were evaluated of the ScSZ film that was deposited by sputtering at room temperature. No phase transformation of ScSZ film was observed during heating to the TF-SOFC operation temperature of 500 degrees C. The oxygen ion conductivity of the ScSZ film was determined to be 0.00024 S/cm at 500 degrees C on polycrystalline Al2O3. The maximum power density of the TF-SOFC including the 280 nm thick ScSZ thin film electrolyte was measured to be 227 mW/cm(2) at 500 degrees C. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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