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Although lithium-sulfur batteries show fascinating potential for high-capacity energy storage, their practical applications are hindered by the fast capacity decay and low sulfur utilization at high sulfur loading. Herein we report an efficient sulfur host based on two oxides, in which SiO2 hollow spheres with radial meso-channels are covered by a thin TiO2 coating. SiO2 spheres not only yield high...
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