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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 9
BKCSDE 32(9)
September 20, 2011 

Mechanochemical Synthesis of ZnMn2O4 and its Electrochemical Properties as an Anode Material for Lithium-ion Batteries
Yoon-Soo Park, Hoon Oh, Sung-Man Lee *
Zinc-manganate, Mechanochemical process, Anode material, Lithium-ion battery
ZnMn2O4 has been prepared by a mechanochemical process using a mixture of Mn2O3 and ZnO as starting materials, and investigated as a possible anode material for lithium-ion batteries. The phase evolution and morphologies of the ball-milled and annealed powders are characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) with energy dispersive microanalysis (EDX), respectively. The solidstate reaction for the formation of ZnMn2O4, under the given experimental conditions, is achieved in a short time (30 min), and the prepared samples exhibit excellent electrochemical performances including an enhanced initial coulombic efficiency, high reversible capacity, and stable capacity retention with cycling.
3333 - 3337
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