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author:

Yang, Jie (Yang, Jie.) [1] | Lan, Tongbin (Lan, Tongbin.) [2] | Liu, Jingdong (Liu, Jingdong.) [3] (Scholars:刘景东) | Song, Yanfang (Song, Yanfang.) [4] | Wei, Mingdeng (Wei, Mingdeng.) [5] (Scholars:魏明灯)

Indexed by:

EI Scopus SCIE

Abstract:

Hollow V2O5 spheres constructed from plate-like particles were synthesized. These materials exhibited a tremendous pseudocapacitance effect with a high capacitance of 479 Fg(-1) at 5 mVs(-1) when used as supercapacitor electrodes in a solution of 5 M LiNO3. After the surface of hollow V2O5 spheres was coated with PPy, the composite electrode was formed and its electrochemical properties were also improved. This composite material exhibited the capacitances of 559 Fg(-1) at 3 A g(-1) by GCD and 566 Fg(-1) at 5 mV s(-1) by CV, respectively. At the same time, the capacity retentions of 70% and 66% were respectively achieved even after 100 cycles. (C) 2013 Elsevier Ltd. All rights reserved.

Keyword:

Electrochemical performance Hollow V2O5 spheres LiNO3 aqueous solution PPy Supercapacitor

Community:

  • [ 1 ] [Yang, Jie]Fuzhou Univ, Inst Adv Energy Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Lan, Tongbin]Fuzhou Univ, Inst Adv Energy Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Song, Yanfang]Fuzhou Univ, Inst Adv Energy Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Wei, Mingdeng]Fuzhou Univ, Inst Adv Energy Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Liu, Jingdong]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • 魏明灯

    [Wei, Mingdeng]Fuzhou Univ, Inst Adv Energy Mat, Fuzhou 350002, Fujian, Peoples R China

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Source :

ELECTROCHIMICA ACTA

ISSN: 0013-4686

Year: 2013

Volume: 105

Page: 489-495

4 . 0 8 6

JCR@2013

5 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 156

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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