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Shu-Mao Zhang, Qiang Zhang, Jia-Qi Huang, Xiao-Fei Liu, Wancheng Zhu, Meng-Qiang Zhao, Wei-Zhong Qian and Fei Wei Composite Cathodes Containing SWCNT@S Coaxial Nanocables: Facile Synthesis, Surface Modification, and Enhanced Performance for Li-Ion Storage Particle & Particle Systems Characterization 30

Article first published online: 5 FEB 2013 | DOI: 10.1002/ppsc.201200082

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A composite cathode containing single-walled carbon nanotube (SWCNT)@S coaxial nanocables offers a first discharging capacity of 676 mAh g−1 at 0.5 C, which is much higher than those of multiwalled carbon nanotube@S cathode. Polyethylene glycol is introduced as a physical barrier to trap the highly polar polysulfide species and the modified cathode affords an initial capacity of 1005 mAh g−1 at 0.5 C.

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