Carbon Nanofiber-Based Sandwich Free-Standing Cathode for High-Performance Lithium–Sulfur Batteries
Jiaojiao Xia,
Peng Xu,
Wei Wang
et al.
Abstract:Challenges including rapid capacity degradation and reduced Coulombic efficiency due to the shuttle effect have hindered the commercial viability of lithium−sulfur (Li−S) batteries. A novel sandwich-structured electrode with an optimized electrode structure and current collector interface design was presented as a free-standing positive electrode for Li−S batteries. Fabricated via a simple slurry coating process, the electrode embedded multiwalled carbon nanotubes within carbon nanofiber composite films (PCNF/… Show more
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