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Infiltrated Sr2Fe1.5Mo0.5O6/La0.9Sr0.1Ga0.8Mg0.2O3electrodes towards high performance symmetrical solid oxide fuel cells fabricated by an ultra-fast and time-saving procedure
Liu, Juan1,2; Lei, Yu4; Li, Yumei3; Gao, Jun1,2; Han, Da4; Zhan, Weiting1; Huang, Fuqiang1; Wang, Shaorong1,5
2017
发表期刊Electrochemistry Communications
ISSN13882481
卷号78页码:6-10
摘要Herein, the Sr2Fe1.5Mo0.5O6(SFM) precursor solution is infiltrated into a tri-layered “porous La0.9Sr0.1Ga0.8Mg0.2O3(LSGM)/dense LSGM/porous LSGM” skeleton to form both SFM/LSGM symmetrical fuel cells and functional fuel cells by adopting an ultra-fast and time-saving procedure. The heating/cooling rate when fabricating is fixed at 200 °C/min. Thanks to the unique cell structure with high thermal shock resistance and matched thermal expansion coefficients (TEC) between SFM and LSGM, no SFM/LSGM interfacial detachment is detected. The polarization resistances (Rp) of SFM/LSGM composite cathode and anode at 650 °C are 0.27 Ω·cm2and 0.235 Ω·cm2, respectively. These values are even smaller than those of the cells fabricated with traditional method. From scanning electron microscope (SEM), a more homogenous distribution of SFM is identified in the ultra-fast fabricated SFM/LSGM composite, therefore leading to the enhanced performance. This study also strengthens the evidence that SFM can be used as high performance symmetrical electrode material both running in H2and CH4. When using H2as fuel, the maximum power density of “SFM-LSGM/LSGM/LSGM-SFM” functional fuel cell at 700 °C is 880 mW cm− 2. By using CH4as fuel, the maximum power densities at 850 and 900 °C are 146 and 306 mW cm− 2, respectively. © 2017
DOI10.1016/j.elecom.2017.02.019
EI入藏号20171303493134
EI主题词Fabrication
EI分类号461.3 Biomechanics, Bionics and Biomimetics - 522 Gas Fuels - 702.2 Fuel Cells - 714.1 Electron Tubes - 951 Materials Science
引用统计
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25652
专题中国科学院上海硅酸盐研究所
作者单位1.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai; 200050, China;
2.University of the Chinese Academy of Sciences, Beijing; 100049, China;
3.Research and Test Center of Materials, Wuhan University of Technology, Wuhan; 430070, China;
4.Engineering Laboratory for Next Generation Power and Energy Storage Batteries, Graduate School at Shenzhen, Tsinghua University, Shenzhen; 518055, China;
5.China University of Mining & Technology, Jiangsu; 221116, China
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GB/T 7714
Liu, Juan,Lei, Yu,Li, Yumei,et al. Infiltrated Sr2Fe1.5Mo0.5O6/La0.9Sr0.1Ga0.8Mg0.2O3electrodes towards high performance symmetrical solid oxide fuel cells fabricated by an ultra-fast and time-saving procedure[J]. Electrochemistry Communications,2017,78:6-10.
APA Liu, Juan.,Lei, Yu.,Li, Yumei.,Gao, Jun.,Han, Da.,...&Wang, Shaorong.(2017).Infiltrated Sr2Fe1.5Mo0.5O6/La0.9Sr0.1Ga0.8Mg0.2O3electrodes towards high performance symmetrical solid oxide fuel cells fabricated by an ultra-fast and time-saving procedure.Electrochemistry Communications,78,6-10.
MLA Liu, Juan,et al."Infiltrated Sr2Fe1.5Mo0.5O6/La0.9Sr0.1Ga0.8Mg0.2O3electrodes towards high performance symmetrical solid oxide fuel cells fabricated by an ultra-fast and time-saving procedure".Electrochemistry Communications 78(2017):6-10.
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