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author:

Zhao, Mincai (Zhao, Mincai.) [1] | Luo, Yafang (Luo, Yafang.) [2] | Zhu, Longzhen (Zhu, Longzhen.) [3] | Cai, Daoping (Cai, Daoping.) [4] (Scholars:蔡道平) | Zhuang, Yaxuan (Zhuang, Yaxuan.) [5] | Chen, Qidi (Chen, Qidi.) [6] (Scholars:陈奇俤) | Zhan, Hongbing (Zhan, Hongbing.) [7] (Scholars:詹红兵)

Indexed by:

EI Scopus SCIE

Abstract:

Manganese-based materials have been considered as promising electrode materials for aqueous zinc-ion batteries (ZIBs). However, the development of manganese-based materials is seriously restricted by their low electrical conductivity and sluggish reaction kinetics. In the present work, ultrathin birnessite-type delta MnO2 nanosheets branched onto N-doped carbon nanotubes grown on carbon cloth substrate (CC/NCNTs/delta MnO2) have been rational synthesized as a binder-free cathode electrode for aqueous ZIBs. The CC/NCNTs/delta MnO2 cathode possesses the desired merits including high electrical conductivity, large specific surface area, abundant active sites, fast ion diffusion, good structural stability and free of any polymer binders. When evaluated as a binder-free cathode electrode for aqueous ZIBs, the CC/NCNTs/delta-MnO2 exhibits high areal capacity and energy density of 1.95 mAh cm-2 and 2.56 mWh cm-2 at a current density of 0.4 mA cm-2, respectively, as well as decent rate capability and cycling stability. This work could provide an effective method to construct high-performance binder-free cathode electrodes for aqueous ZIBs. (c) 2022 Elsevier B.V. All rights reserved.

Keyword:

Aqueous zinc-ion batteries Binder-free Cathode Hybrid structures

Community:

  • [ 1 ] [Zhao, Mincai]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Luo, Yafang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Zhu, Longzhen]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Cai, Daoping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Zhuang, Yaxuan]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Chen, Qidi]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Zhan, Hongbing]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2022

Volume: 913

6 . 2

JCR@2022

5 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:91

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 19

SCOPUS Cited Count: 20

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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