Journal of Materials Science

, Volume 50, Issue 20, pp 6578–6585 | Cite as

Novel felt pseudocapacitor based on carbon nanotube/metal oxides

  • Derrick W. H. Fam
  • Sue Azoubel
  • Liang Liu
  • Jingfeng Huang
  • Daniel Mandler
  • Shlomo Magdassi
  • Alfred I. Y. TokEmail author
Original Paper


This work describes a novel supercapacitor electrode based on a glass fiber felt substrate, single-walled carbon nanotube (SWCNT) and metal oxide layers (RuO2 or MnO2). It is fabricated by the repeated and alternate deposition of SWCNTs and metal oxides via dipping and electrodeposition, respectively, to achieve three-dimensional layered hierarchical structured supercapacitor electrodes. The results show that the layered structured electrodes fabricated by alternating deposition of SWCNTs and metal oxides have higher capacitance as compared with the bulk deposited samples, which are fabricated by deposition of SWCNTs followed by metal oxides. The best configuration studied in this work shows specific capacitance of 72 and 98 F/g for the SWCNT–MnO2 and SWCNT–RuO2, respectively, whereas the corresponding areal capacitances are 0.07 and 0.09 F/cm2. This three-dimensional porous electrode structure design combines the high mechanical stability of the felt substrate with the high conductivity and specific surface area of SWCNTs, and the high capacitance of metal oxides. This will add immensely to the research and development of wearable lightweight electronics in harsh environments.


Cyclic Voltammetry MnO2 Specific Capacitance Electric Double Layer RuO2 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This Research was conducted by NTU-HUJ-BGU Nanomaterials for Energy and Water Management Programme under the Campus for Research Excellence and Technological Enterprise (CREATE), which is supported by the National Research Foundation, Prime Minister’s Office, Singapore.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Derrick W. H. Fam
    • 1
  • Sue Azoubel
    • 2
  • Liang Liu
    • 1
    • 2
  • Jingfeng Huang
    • 1
  • Daniel Mandler
    • 2
  • Shlomo Magdassi
    • 2
  • Alfred I. Y. Tok
    • 1
    Email author
  1. 1.School of Materials Science and EngineeringNanyang Technological UniversitySingaporeSingapore
  2. 2.Institute of ChemistryThe Hebrew University of JerusalemJerusalemIsrael

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