Preparation of layered Li[Ni1/2Mn1/2]O2 by ultrasonic spray pyrolysis method

S. H. Park, S. K. Kang, Yun Chan Kang, Y. S. Lee, Y. K. Sun

Research output: Contribution to journalArticle

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Abstract

Li[Ni1/2Mn1/2]O2 material was synthesized by ultrasonic spray pyrolysis method. Li[Ni1/2Mn1/2]O2 was characterized by means of X-ray diffraction, charge/discharge cycling, and cyclic voltammetry. The discharge capacities of Li/Li[Ni1/2Mn1/2]O2 cell at 30 and 55°C slowly decreased with cycling and remained at 166 and 175 mAh/g after 50 cycles, which are 99 and 94% of initial capacities, respectively. The cyclic voltammogram studies of the Li[Ni1/2Mn1/2]O2 electrode showed only one redox peak. This phenomenon might be related to the initial activation process and/or stabilization of Li[Ni1/2Mn1/2]O2 electrode.

Original languageEnglish
Pages (from-to)446-447
Number of pages2
JournalChemistry Letters
Volume32
Issue number5
DOIs
Publication statusPublished - 2003 May 5
Externally publishedYes

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Spray pyrolysis
Ultrasonics
Electrodes
Cyclic voltammetry
Stabilization
Chemical activation
X ray diffraction
Oxidation-Reduction

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Preparation of layered Li[Ni1/2Mn1/2]O2 by ultrasonic spray pyrolysis method. / Park, S. H.; Kang, S. K.; Kang, Yun Chan; Lee, Y. S.; Sun, Y. K.

In: Chemistry Letters, Vol. 32, No. 5, 05.05.2003, p. 446-447.

Research output: Contribution to journalArticle

Park, S. H. ; Kang, S. K. ; Kang, Yun Chan ; Lee, Y. S. ; Sun, Y. K. / Preparation of layered Li[Ni1/2Mn1/2]O2 by ultrasonic spray pyrolysis method. In: Chemistry Letters. 2003 ; Vol. 32, No. 5. pp. 446-447.
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