科研之友
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摘要
An integrated, selective interlayer structure is developed to further mitigate the diffusion of polysulfides, simply by coating the surface of a C-S cathode with a graphene/TiO2 film. It is found that the application of the graphene/TiO2 film as an interlayer enables the porous carbon nanotubes-S cathode to exhibit a high reversible specific capacity and extraordinarily excellent cycling stability.
