Preparation of sulfur-doped graphene fibers and their application in flexible fibriform micro-supercapacitors

  • Bin Cai
  • Changxiang Shao
  • Liangti Qu
  • Yuning MengEmail author
  • Lin JinEmail author
Research Article


A novel type of sulfur-doped graphene fibers (S-GFs) were prepared by the hydrothermal strategy, the in situ interfacial polymerization method and the annealing method. Two S-GFs were assembled into an all-solid-state fibriform micro-supercapacitor (micro-SC) that is flexible and has a high specific capacitance (4.55 mF·cm−2) with the current density of 25.47 µA·cm−2. The cyclic voltammetry (CV) curve of this micro-SC kept the rectangular shape well even when the scan rate reached 2 V·s−1. There is a great potential for this type of S-GFs used in flexible wearable electronics.


graphene fiber sulfur doping wearable electronics flexible supercapacitor micro-supercapacitor 


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Thank for the National Natural Science Foundation of China (Grant No. 51602358) to support this work, and also thank for the High Level Personnel Fund of Zhoukou Normal University (ZKNU2014117) and the Education Department of Henan Province Natural Science Research Program (18B150029). L.J. acknowledges the Key Laboratory of Polymeric Composite & Functional Materials of Ministry of Education for funding (PCFM-2017-04).

Supplementary material

11706_2019_455_MOESM1_ESM.pdf (1.4 mb)
Calculations of electrochemical parameters of the fibriform sulfur-doped micro-SC


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Chemistry and Chemical EngineeringZhoukou Normal UniversityZhoukouChina
  2. 2.Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science (Ministry of Education), School of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijingChina
  3. 3.The Key Laboratory of Rare Earth Functional Materials and ApplicationsZhoukou Normal UniversityZhoukouChina

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