Sulfur gradient-distributed CNF composite: a self-inhibiting cathode for binder-free lithium–sulfur batteries

Kun Fu; Yanpeng Li; Mahmut Dirican; Chen Chen; Yao Lu; Jiadeng Zhu; Yao Li; Linyou Cao; Philip D. Bradford; Xiangwu Zhang

doi:10.1039/C4CC04970E

Sulfur gradient-distributed CNF composite: a self-inhibiting cathode for binder-free lithium–sulfur batteries†

Kun Fu,‡^a Yanpeng Li,‡^bc Mahmut Dirican,^a Chen Chen,^a Yao Lu,^a Jiadeng Zhu,^a Yao Li,^c Linyou Cao,^b Philip D. Bradford^a and Xiangwu Zhang*^a

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^a Department of Textile Engineering, Chemistry and Science, North Carolina State University, Raleigh, NC 27695, USA
E-mail: xiangwu_zhang@ncsu.edu

^b Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA

^c Center for Composite Material, Harbin Institute of Technology, Harbin, China

Abstract

A self-inhibiting, gradient sulfur structure was designed and developed by the synthesis of a carbon nanofiber–sulphur composite via sulfur vapor deposition method for use as a binder-free sulfur cathode, exhibiting high sulfur loading (2.6 mg cm⁻²) and high sulfur content (65%) with a stable capacity of >700 mA h g⁻¹.

Chemical Communications

Sulfur gradient-distributed CNF composite: a self-inhibiting cathode for binder-free lithium–sulfur batteries†

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