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All-solid-state supercapacitor composed of reduced graphene oxide (rGO)/activated carbon (AC) composite and polymer electrolyte

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2020, 30(1), pp.107-113
  • DOI : 10.1007/s42823-019-00077-1
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : April 22, 2019
  • Accepted : August 6, 2019
  • Published : February 1, 2020

jung hwa yong 1 kim Yong Ryeol 1 Jeong Hyeon Taek 1

1대진대학교

Accredited

ABSTRACT

The reduced graphene oxide (rGO)/activated carbon (AC) composites are coated on the aluminum substrate using spray coat�ing technique to fabricate nanocarbon-based supercapacitor. Polymer-based solid-state xanthan-gum/Na2SO4 electrolyte is also introduced to increase stability of the supercapacitor. The electrochemical properties of the supercapacitor are evaluated using cyclic voltammetry, electrochemical impedance spectroscopy and galvanostatic charge/discharge tests. The highest capacitance value of the rGO/AC composite-based supercapacitor is 120 F/g. The rGO/AC composite-based supercapacitor has also retained~85% of its initial capacitance value after 3000 galvanostatic charge/discharge cycles.

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-07-14)

Total Citation Counts(KCI+WOS) (14) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (20) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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