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A Novel Route For The Synthesis of LiAl x Co1− x O2 Battery Materials And Their Structural Properties

  • M. S. Tomar (a1), A. Hidalgo (a1), P. S. Dobal (a2), R. S. Katiyar (a2), A. Dixit (a2), R. E. Melgarejo (a1) and K. A. Kuenhold (a3)...

Abstract

LiCoO2 is an important cathode material for rechargeable batteries. Al substitution on Co sites was recently found to enhance its intercalation voltage. We have developed a reliable and less expensive method for the synthesis of such LiAlxCo1−xO2 compositions using simple salts of the constituent elements and organic solvents. X-ray diffraction and Raman spectroscopy were used for structural characterization of these materials at various annealing temperatures. The phase evolutions in LiAl x Co1− x O2 compositions were studied using micro-Raman spectroscopy and a phase diagram is proposed based on the observations. The phase diagram suggests that thin films of these materials can be deposited at substrate temperature at about 650°C

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A Novel Route For The Synthesis of LiAl x Co1− x O2 Battery Materials And Their Structural Properties

  • M. S. Tomar (a1), A. Hidalgo (a1), P. S. Dobal (a2), R. S. Katiyar (a2), A. Dixit (a2), R. E. Melgarejo (a1) and K. A. Kuenhold (a3)...

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