Preparation and characterization of one-dimensional nano-structured composite cathodes for solid oxide fuel cells

	Preparation and characterization of one-dimensional nano-structured composite cathodes for solid oxide fuel cells
	Li, Juan; Zhang, Naiqing; He, Zhilong; Sun, Kening; Wu, Zhengbin
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2016
英文摘要	La0.8Sr0.2MnO3/Zr0.92Y0.08O2 (LSM/YSZ) composite nanotubes of different diameters were co-synthesized by a pore-wetting technique as cathode materials for solid oxide fuel cells. A fast firing method was introduced to improve the contact between the LSM/YSZ composite cathode and the YSZ electrolyte, and to retain the original nanotube structure. The influence of heating and cooling rates, as well as the diameter of the nanotubes, on the microstructure and further on the electrochemical performance of the LSM/YSZ composite cathodes were studied. The microstructure study indicated that the LSM/YSZ composite cathodes, which underwent a 1100 degrees C heat treatment, exhibited nanotube and nanorod structures using heating and cooling rates of 200 and 100 degrees C min(-1). Area-specific resistance (ASR) of composite cathodes was characterized by electrochemical impedance spectroscopy. The nanotube-structured cathodes prepared using the heating and cooling rates of 200 degrees C min(-1) exhibited lower ASR than the nanorod-structured cathodes. For the nanotube structured LSM/YSZ composite cathodes of different diameters, the cathode prepared using the 400 nm template exhibited the lowest ASR. At 700 degrees C, 750 degrees C, and 800 degrees C, the ASRs were 0.55, 0.40, and 0.26 Omega cm(2), respectively. The low ASR was mainly due to the small grain size, homogeneous particle distribution, and fine pore structure of the material.
收录类别	SCI
原文出处	http://www.sciencedirect.com/science/article/pii/S0925838815319575
语种	英语
内容类型	期刊论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/9793]
专题	深圳先进技术研究院_其他
作者单位	JOURNAL OF ALLOYS AND COMPOUNDS
推荐引用方式 GB/T 7714	Li, Juan,Zhang, Naiqing,He, Zhilong,et al. Preparation and characterization of one-dimensional nano-structured composite cathodes for solid oxide fuel cells[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2016.
APA	Li, Juan,Zhang, Naiqing,He, Zhilong,Sun, Kening,&Wu, Zhengbin.(2016).Preparation and characterization of one-dimensional nano-structured composite cathodes for solid oxide fuel cells.JOURNAL OF ALLOYS AND COMPOUNDS.
MLA	Li, Juan,et al."Preparation and characterization of one-dimensional nano-structured composite cathodes for solid oxide fuel cells".JOURNAL OF ALLOYS AND COMPOUNDS (2016).