Abstract
In the present work, we have synthesized nanocrystalline LiMn2O4 of different grain sizes, for application to Li ion rechargeable batteries. LiMn2O4 cathode powder was synthesized by sol-gel method and was high-energy ball milled for 8 and 16h, respectively. The particle sizes of pure, 8h, and 16h ball-milled samples were determined from TEM and measured as ∼225, 40, and 10nm, respectively. The initial discharge capacity of the pure LiMn2O4 cathode material was found to be about 128.75mAh∕g, which was found to decrease on reducing the particle size.
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