TITLE

Electrochemical properties of layered Li[Ni1/2Mn1/2]O2 cathode material synthesised by ultrasonic spray pyrolysis

AUTHOR(S)
Park, S.H.; Lee, Y.S.; Sato, Y.; Sun, Y.-K.
PUB. DATE
December 2003
SOURCE
Journal of Applied Electrochemistry;Dec2003, Vol. 33 Issue 12, p1169
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Layered Li[Ni1/2Mn1/2]O2 was synthesized by an ultrasonic spray pyrolysis method. The Li[Ni1/2Mn1/2]O2 powder was characterized by means of X-ray diffraction, charge/discharge test, and cyclic voltammetry. The discharge capacity increases linearly with increase of the upper cut-off voltage limit and attains a high discharge capacity of 187 mA h g-1 between 2.8 and 4.6 V with excellent cyclability. A cyclic voltammetric study of the Li[Ni1/2Mn1/2]O2 electrode showed only one redox peak implying no structural phase change during cycling.
ACCESSION #
16781860

 

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