Characteristics of nano-sized perovskite structured LaSrMn derived from hydrothermally synthesized amorphous LaSrMn oxide powder

Title
Characteristics of nano-sized perovskite structured LaSrMn derived from hydrothermally synthesized amorphous LaSrMn oxide powder
Author(s)
강미숙강소라곽병섭최병현[최병현]박선민[박선민]지미정[지미정]
Keywords
SOFC CATHODES; ELECTROCHEMICAL PERFORMANCE; SPRAY-PYROLYSIS; LSM CATHODE; IT-SOFCS; BEHAVIOR; MICROSTRUCTURE; CONDUCTIVITY; OXIDATION; CE
Issue Date
201411
Publisher
ELSEVIER SCIENCE INC
Citation
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.20, no.6, pp.3960 - 3964
Abstract
Nano-sized and spherical shaped LaSrMn oxide particle was synthesized by thermal treatment at 900 degrees C for 3 h after hydrothermally treatment at 200 degrees C for 8 h, and characterized to be applied as a cathode material in solid oxide fuel cells. A spherical LSM nano-particle with sizes ranging from 100 to 120 nm was shown in SEM image and particle size distribution. The pellets of five types composed of x-wt% LSM synthesized and commercial y-wt% YSZ were manufactured and pre-sintered. Their ionic conductivities were enhanced responding to LSM concentrations, and it was the highest in 8LSM:2YSZ showing 74.0 S cm(-1). (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/30484http://dx.doi.org/10.1016/j.jiec.2014.01.022
ISSN
1226-086X
Appears in Collections:
이과대학 > 화학생화학부 > Articles
문과대학 > 중국언어문화학과 > Articles
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