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A novel graphene-wrapped carbon nanotube/sulfur structure was designed to improve the electrochemical performance of the lithium–sulfur (Li–S) batteries. Owing to the introduction of the reduced graphene oxide (rGO) with the aim to restrain the polysulfide anions diffusion phenomenon, increase the overall electronic conductivity of the electrode and accommodate volume expansion between the delithiated...
A sandwich-structured nanosulfur@polyaniline/graphene (nanoS@PANI/G) composite was synthesized through a facile method: polyaniline is polymerized in-situ on graphene sheets and sulfur nanoparticles are deposited into polyaniline layer simultaneously. Such a hierarchical framework combines multiple advantageous features, including a continuous electrically conducting polyaniline@graphene network binding...
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