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Using amorphous TiO2 microspheres as precursors, we obtain mesoporous TiO2-Sn@C core-shell microspheres. Sn is encapsulated into a TiO2 matrix, and carbon is coated outside. This intriguing architecture can effectively buffer volume change and structural stress, thus contributing to excellent long-term cycling stability and superior high-rate cyclability.
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Chen et al. (2013) studied this question.
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