Cobalt doped LaSrTiO3-delta as an anode catalyst: effect of Co nanoparticle precipitation on SOFCs operating on H2S-containing hydrogen

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	Cobalt doped LaSrTiO3-delta as an anode catalyst: effect of Co nanoparticle precipitation on SOFCs operating on H2S-containing hydrogen
	Cui, Shao-Hua ; Li, Jian-Hui ; Zhou, Xin-Wen ; Wang, Guang-Ya ; Luo, Jing-Li ; Chuang, Karl T. ; Bai, Yang ; Qiao, Li-Jie ; Li JH(李建辉)
刊名	http://dx.doi.org/10.1039/c3ta11315a
	2013
关键词	OXIDE FUEL-CELLS PERFORMANCE TEMPERATURE PEROVSKITE NANOSCALE SRTIO3
英文摘要	NSERC; National Nature Science Foundation of China [51072021]; China Scholarship Council; This article compares the effects of Co doping on phase structures and stability of lanthanum strontium titanate (LST) anodes and electrochemical measurements in solid oxide fuel cells (SOFCs) employing H2S-containing H-2 as fuel. The Co-doped LST (LSCT) with a perovskite structure was synthesized via a solid state approach, achieving excellent phase purity and refined particle size. The catalytic activity and electrochemical performance are significantly improved by introducing Co. A maximum power density of 300 mW cm(-2) was achieved at 900 degrees C with 5000 ppm H2S-H-2 in a fuel cell having a 300 mu m thick YSZ electrolyte. Trace amounts of metallic Co nanoparticles with sizes typically no larger than 10 nm in diameter were detected on the LSCT surface after reduction in H-2 at 900 degrees C. The nano-sized Co clusters could reduce the anode polarization resistance, as well as improve the cell performance, compared with undoped LST anodes. The LSCT anode catalyst was electrochemically stable in 5000 ppm H2S-H-2 during the test time at high operating temperature. The LSCT anode catalyst also had relatively high redox stability in reversible oxidation-reduction cycles.
语种	英语
出版者	ROYAL SOC CHEMISTRY
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/88745]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Cui, Shao-Hua,Li, Jian-Hui,Zhou, Xin-Wen,et al. Cobalt doped LaSrTiO3-delta as an anode catalyst: effect of Co nanoparticle precipitation on SOFCs operating on H2S-containing hydrogen[J]. http://dx.doi.org/10.1039/c3ta11315a,2013.
APA	Cui, Shao-Hua.,Li, Jian-Hui.,Zhou, Xin-Wen.,Wang, Guang-Ya.,Luo, Jing-Li.,...&李建辉.(2013).Cobalt doped LaSrTiO3-delta as an anode catalyst: effect of Co nanoparticle precipitation on SOFCs operating on H2S-containing hydrogen.http://dx.doi.org/10.1039/c3ta11315a.
MLA	Cui, Shao-Hua,et al."Cobalt doped LaSrTiO3-delta as an anode catalyst: effect of Co nanoparticle precipitation on SOFCs operating on H2S-containing hydrogen".http://dx.doi.org/10.1039/c3ta11315a (2013).