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Co-synthesized (La0.8Sr0.2)(0.9)MnO3-Y0.15Zr0.85O2 composite for solid oxide fuel cell cathode
Liu, Zhongbo1,2; Zhang, Xiaomin1,2; Huang, Zhidong1,2; Zhao, Zhe1; Cui, Daan1; Cheng, Mojie1
关键词Solid Oxide Fuel Cells Composite Cathode Co-synthesis Three Phase Boundary Oxygen Reduction Reaction
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2016-12-14
DOI10.1016/j.ijhydene.2016.07.177
41期:46页:21385-21393
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
关键词[WOS]LOW-TEMPERATURE SYNTHESIS ; IMPEDANCE SPECTROSCOPY ; HIGH-PERFORMANCE ; THIN-FILMS ; SOFC ; MICROSTRUCTURE ; POLARIZATION ; ELECTRODES ; INTERFACE ; POWDERS
英文摘要(La0.8Sr0.2)(0.9)MnO3-Y0.15Zr0.85O2 (LSM-YSZ) composite co-synthesized by citrate-nitrate combustion method are investigated for solid oxide fuel cell cathode. The co-synthesized LSM-YSZ composite powders are characterized by XRD, HR-SEM, TEM, HR-TEM and EDX analysis. The phase separation of the precursor into LSM perovskite and YSZ fluorite occurs at temperatures above 900 degrees C, about 200 degrees C higher than the formation temperature of pure LSM or pure YSZ. In the nano-sheets of LSM-YSZ composite, nano-particles of LSM and YSZ are well distributed and intimately contacted with each other. The nanostructures remain in the co-synthesized LSM-YSZ cathode. The co-synthesized LSM-YSZ cathode improves oxygen reduction reaction (ORR) activity, especially at reduced operation temperature. The cell with co-synthesized LSM-YSZ cathode delivers current density 150% times of the cell with traditional LSM-YSZ cathode at 600 degrees C. Electrochemical impedance spectra (EIS) analysis shows that oxygen reduction reaction is accelerated due to high three phase boundary (TPB) density. The co-synthesized LSM-YSZ cathode shows good stability under cell operation at 800 degrees C. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000389089600031
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150354
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cells, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Zhongbo,Zhang, Xiaomin,Huang, Zhidong,et al. Co-synthesized (La0.8Sr0.2)(0.9)MnO3-Y0.15Zr0.85O2 composite for solid oxide fuel cell cathode[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(46):21385-21393.
APA Liu, Zhongbo,Zhang, Xiaomin,Huang, Zhidong,Zhao, Zhe,Cui, Daan,&Cheng, Mojie.(2016).Co-synthesized (La0.8Sr0.2)(0.9)MnO3-Y0.15Zr0.85O2 composite for solid oxide fuel cell cathode.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(46),21385-21393.
MLA Liu, Zhongbo,et al."Co-synthesized (La0.8Sr0.2)(0.9)MnO3-Y0.15Zr0.85O2 composite for solid oxide fuel cell cathode".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.46(2016):21385-21393.
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