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Issue
Korean Journal of Chemical Engineering,
Vol.16, No.4, 449-455, 1999
Synthesis and Electrochemical Characterization of LiMn2O4 Cathode Materials for Lithium Polymer Batteries
Sun YK, Kim DW
Spinel LiMn2O4 powders with sub-micron, narrow particle-size distribution, and phase-pure particles were synthesized at low temperatures from aqueous solution of metal acetate containing glyoxylic acid as a chelating agent by a sol-gel method. The effects of the calcination temperature and glyoxylic acid quantity on the physicochemical properties of spinel LiMn2O4 powders were examined with X-ray diffractometry(XRD), the Brunauer-Emmett-Teller(BET) method and scanning electron microscopy(SEM). Porous LiMn2O4 electrode was characterized electrochemically with charge/LiMn2O4 cell has been discussed in terms of contact and interfacial resistance by A.C. impedance spectroscopy.
Keywords: Lithium Manganese Oxide; Sol-Gel Method; Chelating Agent; Glyoxylic Acid; Lithium Polymer Batteries
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[Cited By]
  1. Sun YK, Nahm KS, Korean Journal of Chemical Engineering, 19(4), 718, 2002
  2. Doh CH, Jin BS, Lim JH, Moon SI, Korean Journal of Chemical Engineering, 19(5), 749, 2002
  3. Park KS, Cho MH, Jin SJ, Song CH, Nahm KS, Korean Journal of Chemical Engineering, 21(5), 983, 2004
  4. Park KS, Cho MH, Jin SJ, Song CH, Nahm KS, Korean Journal of Chemical Engineering, 22(4), 560, 2005
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