Reduced graphene oxide/polypyrrole composite: an advanced electrode for high-performance symmetric/asymmetric supercapacitor

Liu Guijing; Shi Yanying; Wang Lei; Song Yadong; Gao Shanmin; Liu Dong; Fan Leqing

doi:10.1007/s42823-019-00108-x

Reduced graphene oxide/polypyrrole composite: an advanced electrode for high-performance symmetric/asymmetric supercapacitor

Carbon Letters
Abbr : Carbon Lett.
2020, 30(4), pp.389-397
DOI : 10.1007/s42823-019-00108-x
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : July 23, 2019
Accepted : October 30, 2019
Published : August 1, 2020

Liu Guijing ¹, Shi Yanying ¹, Wang Lei ², Song Yadong ¹, Gao Shanmin ¹, Liu Dong ¹, Fan Leqing ³

¹Ludong University
²Harbin Institute of Technology
³Huaqiao University

Accredited

ABSTRACT

Polypyrrole (PPy) decorated on reduced graphene oxide (rGO) flms is successfully prepared with pyrrole (Py) monomers and rGO through one-step combining oxidation with polymerization reaction. Compared with the pure individual compo�nents, rGO/PPy compound turns out better electrochemical characteristics owing to the introduction of rGO sheets, which improves the specifc surface area and the conductivity of composite material. When the amount of rGO is 10% of the total, the rGO/PPy compound delivers the best capacitance of 389.3 F g−1 at 1.0 A g−1 in a three-electrode system and 266.8 F g−1 at 0.25 A g−1 in the symmetric supercapacitor system. In addition, asymmetric device (rGO/PPy//AC) has been success�fully fabricated using optimized rGO/PPy compound as positive electrode, activated carbon as negative electrode (AC) and 1 M Na2SO4 aqueous solution as electrolyte. The device obtains long cycle stability under the high-voltage region from 0 to 1.6 V, meanwhile displaying the satisfed energy density of 19.7 Wh kg−1 at 478.1 W kg−1. Besides, the rGO/PPy//AC device presents satisfactory rate capability and long life time.

KEYWORDS

Reduced graphene oxide · Asymmetric supercapacitor · Polypyrrole · Compound

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Reduced graphene oxide/polypyrrole composite: an advanced electrode for high-performance symmetric/asymmetric supercapacitor

ABSTRACT

KEYWORDS

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 2024-07-28)

Total Citation Counts(KCI+WOS) (41) 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 (46) 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 2024-10-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Reduced graphene oxide/polypyrrole composite: an advanced electrode for high-performance symmetric/asymmetric supercapacitor

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WoS Citation Counts (35) 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 2024-07-28)

Total Citation Counts(KCI+WOS) (41) 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 (46) 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 2024-10-01)

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