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题名: Effect of CO2 treatment on the performance of SM0.5Sr0.5CoO3-delta cathode electrocatalyst
作者: Haizhou, Zhang1;  You, Cong1;  Yang Weishen1
关键词: samarium ;  strontium ;  cobalt ;  carbon dioxide ;  polarization resistance ;  cathode electrocatalyst ;  solid oxide fuel cell
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2008
卷: 29, 期:1, 页:7-9
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The Sm0.5Sr0.5CoO3-delta (SSC) cathode was fabricated under slightly overfired condition and was in situ treated with 25% CO2(V/V) under single cell operating circumstance. XRD and TG analysis demonstrated that some SrCO3 and Co3O4, appeared on the SSC surface after CO2 treatment at 600 V. The existence of SrCoO3-delta and Co3O4 under air sweep condition resulted in the changes of physicochemical properties of cathode surface to some extent. The acceleration of oxygen reduction rate of the cathode electrocatalyst evidently decreased the polarization resistance and consequently yielded about 20 % higher cell performance than the untreated one.
关键词[WOS]: LOW-TEMPERATURE SOFCS ;  OXIDE FUEL-CELLS ;  COMPOSITE CATHODES
语种: 英语
WOS记录号: WOS:000253178100003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140946
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Haizhou, Zhang,You, Cong,Yang Weishen. Effect of CO2 treatment on the performance of SM0.5Sr0.5CoO3-delta cathode electrocatalyst[J]. CHINESE JOURNAL OF CATALYSIS,2008,29(1):7-9.
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