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Preparation of La0.75Sr0.25Cr0.5Mn0.5O3-δ Nanometer Powders by Sol-Gel Method and Research about its Electrochemical Performance

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Abstract:

The La0.75Sr0.25Cr0.5Mn0.5O3-δ nanometer powders were prepared by citric acid sol-gel method. The samples were characterized by DTA, FT-IR, XRD, TEM techniques. The preparation process, morphology of synthesized powders, the best heat-treatment temperature and the electrochemical performance had been studied. The results show that the spherical nanometer powders can be obtained and the best heat-treatment temperature is 800°C. The particle size is about 30nm and Ea is 0.071 eV.

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Periodical:

Advanced Materials Research (Volumes 712-715)

Pages:

257-261

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.712-715.257

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Online since:

June 2013

Authors:

Yin Lin Wu*, Qing Hui Wang, Ling Wang, Hai Yan Zhao

Keywords:

Electrochemical, La0.75Sr0.25Cr0.5Mn0.5O3-δ, Sol-Gel Method

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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