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author:

Zhang, Xialan (Zhang, Xialan.) [1] | Lin, Qilang (Lin, Qilang.) [2] (Scholars:林起浪) | Zhang, Xinqi (Zhang, Xinqi.) [3] | Peng, Kaiping (Peng, Kaiping.) [4] (Scholars:彭开萍)

Indexed by:

EI Scopus SCIE

Abstract:

A three-dimensional conductive network-based ordered polyaniline (PANI) nanorods/graphitic mesoporous carbon (GMC) composite is successfully fabricated by the introduction of PANI into a low-cost GMC with a highly fluffy and porous structure, and the effects of the GMC content on the electrochemical performance are investigated using the as-prepared composite as active material. Results show that the unique structure of the composite is beneficial to ion and electron transport as well as redox reactions during charge-discharge process. The composite containing 15 wt% GMC exhibits a high specific capacitance of 715 F g(-1) at a current density of 1 A g(-1) and remains 429 F g(-1) at 10 A g(-1) (60.0% retention). Furthermore, the composite shows excellent cycling stability with a high capacitance retention of up to 93.6% at 100 mV s(-1) after 10000 cycles, and exhibits a coulombic efficiency in excess of 90% after 2500 cycles at a current density of 3 A g(-1). More importantly, the composite presents a high energy density of 24.64 W h kg(-1) at a power density of 250 W kg(-1) and 13.79 W h kg(-1) at 5000 W kg(-1), which is highly competitive with other reported PANI/carbon composite electrodes.

Keyword:

Composite Graphitic mesoporous carbon Polyaniline Supercapacitors

Community:

  • [ 1 ] [Zhang, Xialan]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Lin, Qilang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Zhang, Xinqi]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Peng, Kaiping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China

Reprint 's Address:

  • 林起浪

    [Lin, Qilang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China

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Source :

JOURNAL OF POWER SOURCES

ISSN: 0378-7753

Year: 2018

Volume: 401

Page: 278-286

7 . 4 6 7

JCR@2018

8 . 1 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 40

SCOPUS Cited Count: 44

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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