Preparation and electrochemical properties of nanometer-sized Li2TiO3-LiCrO2 nanocomposite cathode powders by spray pyrolysis

You Na Ko, Yun Chan Kang, Seung Bin Park

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The nanometer-sized Li2TiO3-LiCrO2 nanocomposite cathode powders are prepared by spray pyrolysis. The existence of Li2CrO4 glass material during post-treatment is essential to prepare the nanometer-sized Li2TiO3-LiCrO2 nanocomposite powders. The Li2TiO3-LiCrO2 nanocomposite powders washed with distilled water have the mixed crystal structure of the rhombohedral LiCrO2 and the monoclinic Li2TiO3 without impurity. The mean size of the nanocomposite powders post-treated at750°C is 130 nm. The initial charge and discharge capacities of the nanocomposite powders post-treated at750°C are 303 and 195 mAh g-1, respectively. The capacity retention of the nanocomposite powders post-treated at 750°C is 88% after 30cycles.

Original languageEnglish
Pages (from-to)2504-2514
Number of pages11
JournalInternational Journal of Electrochemical Science
Volume8
Issue number2
Publication statusPublished - 2013 Feb 1
Externally publishedYes

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Spray pyrolysis
Electrochemical properties
Powders
Nanocomposites
Cathodes
Crystal structure
Impurities
Glass
Water

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Preparation and electrochemical properties of nanometer-sized Li2TiO3-LiCrO2 nanocomposite cathode powders by spray pyrolysis. / Ko, You Na; Kang, Yun Chan; Park, Seung Bin.

In: International Journal of Electrochemical Science, Vol. 8, No. 2, 01.02.2013, p. 2504-2514.

Research output: Contribution to journalArticle

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