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Nanoscopic Co 3 O 4 particles were prepared using avian egg membrane as a template at 800 °C. The prepared materials were subjected to XRD, SEM, TEM and Raman spectroscopic studies. Cyclic voltammetry study shows a single step oxidation and reduction process. Electrochemical lithium insertion behavior of the materials was examined in coin cells of the 2032 configuration. The material showed a discharge capacity 600 mAh/g even after 20 cycles.

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