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Although lithium-sulfur batteries show great promise for next-generation energy storage due to their high energy density, the practical implementation of lithium-sulfur batteries has been largely impeded by the shuttle effect of lithium polysulfides and low areal capacity (< 2 mAh cm−2). Here we rationally design a new self-standing host enabled by a 3D hierarchically-porous titanium monoxide-graphene...
Realizing stable cycling performance with high areal capacity is a great challenge for metal-ion battery anodes. Achieveing high areal capacity generally requires the electrode in a high active loading with increased electrode thickness, which is not beneficial to the cycling stability. In this work, novel nanosheet-assembled compact CaV4O9 microflowers are firstly synthesized through a facile method,...
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