Hollow porous LiMn2O4 microcubes are prepared via a facile template route involving annealing MnCO3 microcubes, followed by treatment with diluted acid, chemical lithiation with LiI, and calcination under vacuum at 350 °C. These hollow porous nanomaterials with large void volume and high surface area show improved rate capability and excellent cycle life.
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Wu et al. (2012) studied this question.
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