Free-standing WS2-MWCNTs hybrid paper integrated with polyaniline for high-performance flexible supercapacitor

  • Jialu Gao
  • Yu Ma
  • Jianbo Li
  • Jinchen FanEmail author
  • Penghui Shi
  • Qunjie Xu
  • Yulin MinEmail author
Research Paper


As two-dimensional layered nanomaterials, the tungsten disulfide (WS2) nanosheets can be used as building blocks of paper-like electrodes for high-performance FSs. However, poor conductivity and mechanical property of WS2 nanosheets (NSs) paper greatly hinders their capacitance and/or rate performance. To solve these problems, we fabricated the WS2-multiwalled carbon nanotubes (MWCNTs)/polyaniline (PANI) composite papers based on liquid exfoliation and electrochemical deposition for high-performance flexible supercapacitors. The WS2-MWCNTs/PANI with conductive PANI chains linked WS2 NSs and MWCNTs takes the advantages of high-electronic double-layer capacitance originated from the internal surface areas of MWCNTs and effective pseudocapacitance generated by exfoliated WS2 NSs and PANI. Electrochemical studies showed that the gravimetric-specific capacitance of WS2-MWCNTs/PANI can reach ~760.1 F/g at a current density of 1 A/g. A symmetric flexible solid-state supercapacitor was also assembled and studied. The WS2-MWCNTs/PANI-assembled FS device also has an excellent area specific capacitance of 1158.7 mF/cm2 at a current density of 0.5 mA/cm2 together with a high-capacity retention of ~82.5% after 2000 cycles.


Carbon nanotube Tungsten disulfide Polyaniline Flexible supercapacitors Nanolayer 


Funding information

This research was supported by the National Natural Science Foundation of China (Nos. 91745112 and 21604051). The study was also sponsored by the “Chenguang Program” supported by the Shanghai Education Development Foundation and Shanghai Municipal Education Commission (14CG54).

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest.

Supplementary material

11051_2018_4409_MOESM1_ESM.docx (591 kb)
ESM 1 (DOCX 590 kb)


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical EngineeringShanghai University of Electric PowerShanghaiChina
  2. 2.Department of Chemical Engineering and Biointerfaces InstituteUniversity of MichiganAnn ArborUSA
  3. 3.School of Physical Science and TechnologyLanzhou UniversityLanzhouChina

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