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Citation: LI Zhao-Hui, LI Guang-Yu, GAO Dong-Mei, LIAN Jian-She. Synthesis of La_0.6Sr_0.4Fe_0.8Co_0.2O₃ and Its Performance as ITSOFC Cathodes[J]. Chinese Journal of Applied Chemistry, ;2007, 24(1): 25-29. shu

Synthesis of La_0.6Sr_0.4Fe_0.8Co_0.2O₃ and Its Performance as ITSOFC Cathodes

1.
a College of Materials Science and Engineering, Jilin University, Changchun 130022;
2.
b College of Materials Science and Engineering, Changchun University of Technology, Changchun

Corresponding author: LI Guang-Yu,
Received Date: 12 January 2006
Available Online: 29 June 2006
Fund Project: 国家重点基础研究发展计划项目(973,2004CB619301) (973,2004CB619301)

La_0.6Sr_0.4Fe_0.8Co_0.2O₃ powder was synthesized via citrate/nitrate sol-gel method.XRD results show that the powder consists of single phase of perovskite.The particle size is from 100 to 200 nm observed by means of TEM.EDS show that the atom percentage of the elements in the powder is consistent with the theoretical value.When the powder was used as the cathode to compose a H₂-O₂ solid oxide fuel cell, and Ce_0.8Gd_0.2O_1.9 and NiO/Ce_0.8Gd_0.2O_1.9 were used as electrolyte and anode, respectively, the electrical output properties were measured.At 650℃ the maximum output power density of the cell was 0.23 W/cm² while its current density and voltage were 0.45 A/cm² and 0.5 V, respectively.XRD results show that there was no solid reaction between La_0.6Sr_0.4Fe_0.8Co_0.2O₃ and Ce_0.8Gd_0.2O_1.9.
- solid oxide fuel cell,
- cathode material,
- sol-gel method
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Synthesis of La0.6Sr0.4Fe0.8Co0.2O3 and Its Performance as ITSOFC Cathodes

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通讯作者: 陈斌, bchen63@163.com

Synthesis of La_0.6Sr_0.4Fe_0.8Co_0.2O₃ and Its Performance as ITSOFC Cathodes