Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications

E. Taer, Mohamad Deraman, I. A. Talib, Awitdrus, R. Farma, M. M. Ishak, Ramli Omar, B. N.M. Dolah, N. H. Basri, Mohd. Amir Radhi Othman, S. Kanwal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Activated carbon powders (ACP) were produced from the KOH treated pre-carbonized rubber wood sawdust. Different conductive materials (graphite, carbon black and carbon nanotubes (CNTs)) were added with a binder (polivinylidene fluoride (PVDF)) into ACP to improve the supercapacitive performance of the activated carbon (AC) electrodes. Symmetric supercapacitor cells, fabricated using these AC electrodes and 1 molar H 2 SO 4 electrolyte, were analyzed using a standard electrochemical impedance spectroscopy technique. The addition of graphite, carbon black and CNTs was found effective in reducing the cell resistance from 165 to 68, 23 and 49 Ohm respectively, and increasing the specific capacitance of the AC electrodes from 3 to 7, 17, 32 F g -1 respectively. Since the addition of CNTs can produce the highest specific capacitance, CNTs were chosen as a conductive material to produce AC composite electrodes that were added with 2.5 %, 5 % and 10 % (by weight) electro-active material namely ruthenium oxide; PVDF binder and CNTs contents were kept at 5 % by weight in each AC composite produced. The highest specific capacitance of the cells obtained in this study was 86 F g -1 , i.e. for the cell with the resistance of 15 Ohm and composite electrode consists of 5 % ruthenium oxide.

Original languageEnglish
Title of host publication5th Asian Physics Symposium, APS 2012
EditorsSparisoma Viridi, Khairul Basar, Ferry Iskandar, Bobby Eka Gunara, Wahyu Srigutomo
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735412989
DOIs
Publication statusPublished - 16 Apr 2015
Event5th Asian Physics Symposium, APS 2012 - Bandung, Indonesia
Duration: 10 Jul 201212 Jul 2012

Publication series

NameAIP Conference Proceedings
Volume1656
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th Asian Physics Symposium, APS 2012
CountryIndonesia
CityBandung
Period10/7/1212/7/12

Fingerprint

electrochemical capacitors
spectroscopic analysis
activated carbon
ruthenium
impedance
composite materials
electrodes
oxides
carbon nanotubes
capacitance
cells
fluorides
graphite
carbon
rubber
nanotubes
electrolytes
spectroscopy

Keywords

  • Activated carbon
  • Carbon nanotubes
  • Cell resistance
  • Specific capacitance
  • Supercapacitor

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Taer, E., Deraman, M., Talib, I. A., Awitdrus, Farma, R., Ishak, M. M., ... Kanwal, S. (2015). Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications. In S. Viridi, K. Basar, F. Iskandar, B. E. Gunara, & W. Srigutomo (Eds.), 5th Asian Physics Symposium, APS 2012 [4917093] (AIP Conference Proceedings; Vol. 1656). American Institute of Physics Inc.. https://doi.org/10.1063/1.4917093

Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications. / Taer, E.; Deraman, Mohamad; Talib, I. A.; Awitdrus; Farma, R.; Ishak, M. M.; Omar, Ramli; Dolah, B. N.M.; Basri, N. H.; Othman, Mohd. Amir Radhi; Kanwal, S.

5th Asian Physics Symposium, APS 2012. ed. / Sparisoma Viridi; Khairul Basar; Ferry Iskandar; Bobby Eka Gunara; Wahyu Srigutomo. American Institute of Physics Inc., 2015. 4917093 (AIP Conference Proceedings; Vol. 1656).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Taer, E, Deraman, M, Talib, IA, Awitdrus, Farma, R, Ishak, MM, Omar, R, Dolah, BNM, Basri, NH, Othman, MAR & Kanwal, S 2015, Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications. in S Viridi, K Basar, F Iskandar, BE Gunara & W Srigutomo (eds), 5th Asian Physics Symposium, APS 2012., 4917093, AIP Conference Proceedings, vol. 1656, American Institute of Physics Inc., 5th Asian Physics Symposium, APS 2012, Bandung, Indonesia, 10/7/12. https://doi.org/10.1063/1.4917093
Taer E, Deraman M, Talib IA, Awitdrus, Farma R, Ishak MM et al. Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications. In Viridi S, Basar K, Iskandar F, Gunara BE, Srigutomo W, editors, 5th Asian Physics Symposium, APS 2012. American Institute of Physics Inc. 2015. 4917093. (AIP Conference Proceedings). https://doi.org/10.1063/1.4917093
Taer, E. ; Deraman, Mohamad ; Talib, I. A. ; Awitdrus ; Farma, R. ; Ishak, M. M. ; Omar, Ramli ; Dolah, B. N.M. ; Basri, N. H. ; Othman, Mohd. Amir Radhi ; Kanwal, S. / Impedance spectroscopic analysis of composite electrode from activated carbon/conductive materials/ruthenium oxide for supercapacitor applications. 5th Asian Physics Symposium, APS 2012. editor / Sparisoma Viridi ; Khairul Basar ; Ferry Iskandar ; Bobby Eka Gunara ; Wahyu Srigutomo. American Institute of Physics Inc., 2015. (AIP Conference Proceedings).
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abstract = "Activated carbon powders (ACP) were produced from the KOH treated pre-carbonized rubber wood sawdust. Different conductive materials (graphite, carbon black and carbon nanotubes (CNTs)) were added with a binder (polivinylidene fluoride (PVDF)) into ACP to improve the supercapacitive performance of the activated carbon (AC) electrodes. Symmetric supercapacitor cells, fabricated using these AC electrodes and 1 molar H 2 SO 4 electrolyte, were analyzed using a standard electrochemical impedance spectroscopy technique. The addition of graphite, carbon black and CNTs was found effective in reducing the cell resistance from 165 to 68, 23 and 49 Ohm respectively, and increasing the specific capacitance of the AC electrodes from 3 to 7, 17, 32 F g -1 respectively. Since the addition of CNTs can produce the highest specific capacitance, CNTs were chosen as a conductive material to produce AC composite electrodes that were added with 2.5 {\%}, 5 {\%} and 10 {\%} (by weight) electro-active material namely ruthenium oxide; PVDF binder and CNTs contents were kept at 5 {\%} by weight in each AC composite produced. The highest specific capacitance of the cells obtained in this study was 86 F g -1 , i.e. for the cell with the resistance of 15 Ohm and composite electrode consists of 5 {\%} ruthenium oxide.",
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