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Hollow C@TiO2 array nanospheres as efficient sulfur hosts for lithium-sulfur batteries

Key Words:TIO2 NANOPARTICLES; NANOSHEETS; INTERLAYER; CONVERSION; CATHODE; DESIGN
Abstract:Herein, hollow core-shell C@TiO2 array nanospheres were synthesized as advanced sulfur hosts and realized much-improved electrochemical performance. Specifically, hollow buffer structures can encapsulate sulfur, while the polar TiO2 nanoarray is able to provide intense chemisorption towards polysulfides, synergistically easing the shuttle effect. Consequently, the C@TiO2/S cathode delivered a low fading rate of 0.055% per cycle for 500 cycles.
Volume:4
Issue:11
Translation or Not:no

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