Ionics

, Volume 24, Issue 4, pp 1057–1064 | Cite as

Preparation of mesoporous carbon for improved-performance lithium-sulfur battery

  • Jing Zhang
  • Heqin Li
  • Zhiwei Lin
  • Qiong Tang
  • Zituo Liang
  • Pei Tang
  • Yangwu Tong
  • Yuanyuan Pan
Original Paper

Abstract

A mesoporous carbon (MC) is prepared by the method of hard-template. Cathode materials (S/MC) for Li-S battery were synthesized. Properties of S, MC, and S/MC were characterized by BET, XRD, Raman, HRTEM, and FESEM. Electrochemical performances of the batteries were determined by AC impedance, cyclic voltammetry, and constant-current charging and discharging. Experiments show that MC, prepared with mass ratio CaCO3/PVA = 1/1.5, is the most suitable for Li-S battery. Thereby, the battery shows initial specific capacity of 1383.6 mAh/g and 881.6 mAh/g after 100 cycles, and the Coulombic efficiencies are both over 98% after 100 cycles at the current rate of 0.5 and 1 C.

Keywords

Li-S battery Mesoporous carbon Specific capacity Coulombic efficiency 

Notes

Acknowledgments

The authors gratefully acknowledge the support of the "Student's Platform for Innovation and Entrepreneurship Training Program" of the Ministry of Education of China (No.201710359071).

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Jing Zhang
    • 1
    • 2
  • Heqin Li
    • 1
  • Zhiwei Lin
    • 1
  • Qiong Tang
    • 1
    • 2
  • Zituo Liang
    • 1
  • Pei Tang
    • 1
  • Yangwu Tong
    • 1
  • Yuanyuan Pan
    • 1
  1. 1.School of Material Science and EngineeringHefei University of TechnologyHefeiChina
  2. 2.School of Electronic Science and Applied PhysicsHefei University of TechnologyHefeiChina

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