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author:

Yang, J. (Yang, J..) [1] | Wang, L. (Wang, L..) [2] | Ma, Z. (Ma, Z..) [3] | Wei, M. (Wei, M..) [4]

Indexed by:

Scopus

Abstract:

A newly self-supported electrode composed of Mn3O4 on Ni foam/graphene (NF/graphene/Mn3O4) was synthesized in situ by electrodeposition, and was used as a supercapacitor electrode for the first time. An ultrahigh specific capacitance of 630 Fg−1 can be achieved at a current density of 0.5 Ag−1. The maximum energy density of 94.4 Wh kg−1 can be achieved, and the capacitance retention can be maintained about 97% after 20,000 cycles at 10 Ag−1. The electrochemical properties, including specific capacitance, energy density and cycling performance, were better than those in previous reports on Mn3O4-graphene electrodes. Such an outstanding property may be attributed to its unique characteristics, such as self-supported structure, favorable electric conductivity and cellular-like porous morphology. © 2018

Keyword:

Electrochemical performance; Electrodeposition; In situ synthesis; NF/graphene/Mn3O4; Self-supported; Supercapacitor

Community:

  • [ 1 ] [Yang, J.]College of Chemistry and Chemical Engineering, Xinxiang University, Xinxiang, Henan 450003, China
  • [ 2 ] [Wang, L.]College of Chemistry and Chemical Engineering, Xinxiang University, Xinxiang, Henan 450003, China
  • [ 3 ] [Ma, Z.]College of Chemistry and Chemical Engineering, Xinxiang University, Xinxiang, Henan 450003, China
  • [ 4 ] [Wei, M.]Institute of Advanced Energy Materials, FuZhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Ma, Z.]College of Chemistry and Chemical Engineering, Xinxiang UniversityChina

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Source :

Journal of Colloid and Interface Science

ISSN: 0021-9797

Year: 2019

Volume: 534

Page: 665-671

7 . 4 8 9

JCR@2019

9 . 4 0 0

JCR@2023

ESI HC Threshold:184

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 29

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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