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author:

Miao, Jinkang (Miao, Jinkang.) [1] | Cai, Daoping (Cai, Daoping.) [2] (Scholars:蔡道平) | Si, Junhui (Si, Junhui.) [3] | Wang, Qianting (Wang, Qianting.) [4] | Zhan, Hongbing (Zhan, Hongbing.) [5] (Scholars:詹红兵)

Indexed by:

EI Scopus SCIE

Abstract:

Transition metal oxides (TMOs) with high capacity have been extensively studied as promising anode candidates for lithium-ion batteries (LIBs). However, the intrinsic low electrical conductivity, sluggish reaction kinetics and dramatic volume expansion greatly restrict their practical applications. In the present work, we delicate design and synthesis of an advanced composite consisting of multi-component CoO/MoO2/CoMoO4 hierarchical hollow nanocages anchored on reduced graphene oxide (named as Co-Mo-O NCs/rGO composite) with strong interfacial interaction. The hierarchical hollow structure is beneficial for large electrode/electrolyte contact area and fast ion diffusion. Meanwhile, graphene can provide rapid electron transport pathway and buffer the volume change. As a result, the Co-Mo-O NCs/ rGO composite exhibits excellent lithium storage performance in aspects of high reversible specific capacity (964 mA h g(-1) at 0.1 A g(-1)), good rate capability (333 mA h g(-1) at 5 A g(-1)) and long-term cycling performance (731 mA h (-1) at 1 A g(-1) after 400 cycles). Moreover, electrode kinetics analysis further reveals the capacitive-controlled lithium ion storage mechanism in the Co-Mo-O NCs/rGO composite. The present work would demonstrate the importance of integrating multi-component TMOs hierarchical hollow structures and graphene into one intriguing architecture to boost the electrochemical performance. (C) 2020 Published by Elsevier B.V.

Keyword:

Composite Graphene Hierarchical hollow structures Lithium-ion batteries Transition metal oxides

Community:

  • [ 1 ] [Miao, Jinkang]Fujian Prov Key Lab Adv Mat Proc & Applicat, Fuzhou 350118, Peoples R China
  • [ 2 ] [Si, Junhui]Fujian Prov Key Lab Adv Mat Proc & Applicat, Fuzhou 350118, Peoples R China
  • [ 3 ] [Wang, Qianting]Fujian Prov Key Lab Adv Mat Proc & Applicat, Fuzhou 350118, Peoples R China
  • [ 4 ] [Miao, Jinkang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Cai, Daoping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Wang, Qianting]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
  • [ 8 ] [Si, Junhui]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 9 ] [Wang, Qianting]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China

Reprint 's Address:

  • 蔡道平 王乾廷

    [Wang, Qianting]Fujian Prov Key Lab Adv Mat Proc & Applicat, Fuzhou 350118, Peoples R China;;[Cai, Daoping]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: 2020

Volume: 828

5 . 3 1 6

JCR@2020

5 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:196

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count: 12

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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