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学科主题: 物理化学
题名: Carbonates formed during BSCF preparation and their effects on performance of SOFCs with BSCF cathode
作者: Zhao, Zhe1, 2, 3;  Liu, Li1, 2, 3;  Zhang, Xiaomin1, 2, 3;  Tu, Baofeng1, 2;  Ou, Dingrong1, 2;  Cheng, Mojie1, 2
通讯作者: 程谟杰
关键词: Carbonate ;  pH ;  Citrate/metal ions ratio ;  Ba0.5Sr0.5Co0.8Fe0.2O3-delta cathode
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2012-12-01
DOI: 10.1016/j.ijhydene.2012.09.142
卷: 37, 期:24, 页:19036-19044
收录类别: SCI
文章类型: Article
部门归属: DNL03
项目归属: DNL0302
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: Series of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) samples have been prepared by modified citrate-nitrate combustion method from the precursor solutions with different pH values and citrate/metal ion ratios. The XRD results reveal that BSCF oxide free of impurity phases can be obtained from a precursor solution with a suitable pH value and a suitable C/M value, whereas CO2-TPD profiles show that there are minor carbonates species present in all BSCF samples, but the amount of these carbonates varies with the pH and C/M values of precursor solutions. The current density-voltage characteristics indicate that carbonates in the BSCF samples reduce the cell performance. The electrochemical impedance spectra (EIS) show that carbonates in BSCF lead to increases in ohmic and polarization resistances. High performance is achieved on the cell with a cathode using a pure BSCF calcined under O-2 flow at 900 degrees C. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: OXIDE FUEL-CELLS ;  OXYGEN PERMEATION PERFORMANCE ;  GLYCINE-NITRATE PROCESS ;  BA0.5SR0.5CO0.8FE0.2O3-DELTA PEROVSKITE ;  ELECTROLESS DEPOSITION ;  COMBUSTION SYNTHESIS ;  IT-SOFCS ;  TEMPERATURE ;  MEMBRANES ;  CO2
语种: 英语
WOS记录号: WOS:000313923900048
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117700
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Natl Lab Clean Energy, Div Fuel Cells, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Zhao, Zhe,Liu, Li,Zhang, Xiaomin,et al. Carbonates formed during BSCF preparation and their effects on performance of SOFCs with BSCF cathode[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(24):19036-19044.
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