Supercapacitors using binderless composite monolith electrodes from carbon nanotubes and pre-carbonized biomass residues

N. H. Basri, Mohamad Deraman, S. Kanwal, I. A. Talib, J. G. Manjunatha, A. A. Aziz, R. Farma

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Binderless composite monolith (BCM) electrodes prepared from carbon nanotubes (CNTs) and self-adhesive carbon grains (SACGs) were used in a symmetrical supercapacitor. The SACGs were prepared from fibers of oil palm empty fruit bunches (EFBs) from oil palm tree (Elaeis guineensis), Heliotropium dasycarpum (H. dasycarpum) and Guaiacum officinale (G. officinale). For each biomass, the BCMs were prepared by the carbonization and activation of green monoliths (GMs) containing SACGs treated with KOH and a mixture of SACGs and CNTs treated with KOH. Thermal decomposition behavior of all SACGs was found to be slightly different because of the difference in their compositions. In addition, BCMs from H. dasycarpum and G. officinale were found to have SiO2. The BET surface areas were 1656, 1031 and 532m2g-1 for the BCMs from EFB, H. dasycarpum and G. officinale, respectively, and these values decreased by 40, 50 and 31% upon CNTs addition. Consequently, the specific capacitance decreased from ~124to ~104 and ~49Fg-1 to ~111, ~87 and ~31Fg-1, respectively. However, addition of CNTs reduced the equivalent series resistance (ESR) by a factor of 83.9 (EFB), 90.6 (H. dasycarpum) and 38.8 (G. officinale) %. It was also found that CNTs addition contributed to improving the decay of Csp with increasing scan rate if the electrode surface area was sufficiently high.

Original languageEnglish
Pages (from-to)370-379
Number of pages10
JournalBiomass and Bioenergy
Volume59
DOIs
Publication statusPublished - Dec 2013

Fingerprint

carbon nanotubes
Heliotropium
adhesives
electrodes
Carbon nanotubes
Adhesives
electrode
Biomass
Elaeis guineensis
Fruits
Electrodes
Carbon
carbon
biomass
Composite materials
Palm oil
fruit
fruits
surface area
thermal degradation

Keywords

  • Binderless composite electrodes
  • Elaeis guineensis
  • Energy storage
  • Guaiacum officinale
  • Heliotropium dasycarpum
  • Porosity

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Forestry
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Supercapacitors using binderless composite monolith electrodes from carbon nanotubes and pre-carbonized biomass residues. / Basri, N. H.; Deraman, Mohamad; Kanwal, S.; Talib, I. A.; Manjunatha, J. G.; Aziz, A. A.; Farma, R.

In: Biomass and Bioenergy, Vol. 59, 12.2013, p. 370-379.

Research output: Contribution to journalArticle

Basri, N. H. ; Deraman, Mohamad ; Kanwal, S. ; Talib, I. A. ; Manjunatha, J. G. ; Aziz, A. A. ; Farma, R. / Supercapacitors using binderless composite monolith electrodes from carbon nanotubes and pre-carbonized biomass residues. In: Biomass and Bioenergy. 2013 ; Vol. 59. pp. 370-379.
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AU - Basri, N. H.

AU - Deraman, Mohamad

AU - Kanwal, S.

AU - Talib, I. A.

AU - Manjunatha, J. G.

AU - Aziz, A. A.

AU - Farma, R.

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