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author:

Zhang, Xialan (Zhang, Xialan.) [1] | Lin, Qilang (Lin, Qilang.) [2] | Zhang, Xinqi (Zhang, Xinqi.) [3] | Peng, Kaiping (Peng, Kaiping.) [4]

Indexed by:

EI

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. © 2018 Elsevier B.V.

Keyword:

Capacitance Carbon carbon composites Composite materials Electric discharges Electrochemical electrodes Electron transport properties Mesoporous materials Nanorods Polyaniline Redox reactions Supercapacitor

Community:

  • [ 1 ] [Zhang, Xialan]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Lin, Qilang]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 3 ] [Zhang, Xinqi]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 4 ] [Peng, Kaiping]College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350116, China

Reprint 's Address:

  • [lin, qilang]college of materials science and engineering, fuzhou university, fuzhou; 350116, 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 HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 44

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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