Abstract

Nonspherical powders have been synthesized using a two-step drying method. The tap density of the powder obtained is , which is remarkably higher than that of spherical powders (only ). The powder is also characterized by X-ray diffraction (XRD) and scanning electron microscopy. The XRD analysis shows that the material has a well-ordered layered structure. Initial charge and discharge capacities of 165 and are obtained between 3 and at a current of rate. The nonspherical cathode material demonstrates a stable cyclability over 50 charge–discharge cycling.

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