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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 1
BKCSDE 34(1)
January 20, 2013 

Effect of Calcination Temperature on the Structure and Electrochemical Performance of LiMn1.5Ni0.5O4 Cathode Materials
Seo Hee Ju, Dong-Won Kim*
Cathode, Lithium nickel manganese oxide, Lithium-ion battery, Calcination temperature, Electrochemical performance
Spinel LiMn1.5Ni0.5O4 cathode powders with different morphologies were synthesized by a co-precipitation method using oxalic acid. The calcination temperature affected the morphologies, crystalline structure and electrochemical properties of the LiMn1.5Ni0.5O4 powders. The LiMn1.5Ni0.5O4 powders obtained at a calcination temperature of 850 oC exhibited the highest initial discharge capacity with good capacity retention and high rate capability.
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