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author:

Wang, Jianbiao (Wang, Jianbiao.) [1] | Okabe, Jugo (Okabe, Jugo.) [2] | Urita, Koki (Urita, Koki.) [3] | Moriguchi, Isamu (Moriguchi, Isamu.) [4] | Wei, Mingdeng (Wei, Mingdeng.) [5] (Scholars:魏明灯)

Indexed by:

EI Scopus SCIE

Abstract:

Cu2S hollow spheres composed of nanoparticles are synthesized via a template-free hydrothermal process in the absence of additive. The obtained Cu2S hollow spheres not only provide a large surface for contacting between electrode and the electrolyte, but also keep sufficient space for the volume variation during the sodiation/desodiation process. Consequently, as an anode for sodium ion battery, the Cu2S hollow spheres deliver a large capacity of 369 mA h g(-1) after 100 cycles at 0.2 A g(-1) and demonstrated superior rate performance (331.7 mA h g(-1) at 0.5 A g(-1), 319 mA h g(-1) at 4 A g(-1)) and long-term cycling stability (343 mA h g(-1) at 2 A g(-1) after 1000 cycles).

Keyword:

Anode Cu2S Electrochemical performance Hollow structure Sodium ion battery

Community:

  • [ 1 ] [Wang, Jianbiao]Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Wei, Mingdeng]Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Wang, Jianbiao]Nagasaki Univ, Grad Sch Engn, 1-19 Bunkyo Machi, Nagasaki 8528521, Japan
  • [ 4 ] [Okabe, Jugo]Nagasaki Univ, Grad Sch Engn, 1-19 Bunkyo Machi, Nagasaki 8528521, Japan
  • [ 5 ] [Urita, Koki]Nagasaki Univ, Grad Sch Engn, 1-19 Bunkyo Machi, Nagasaki 8528521, Japan
  • [ 6 ] [Moriguchi, Isamu]Nagasaki Univ, Grad Sch Engn, 1-19 Bunkyo Machi, Nagasaki 8528521, Japan
  • [ 7 ] [Wei, Mingdeng]Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Changzhou 213164, Peoples R China

Reprint 's Address:

  • 魏明灯

    [Wei, Mingdeng]Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China;;[Moriguchi, Isamu]Nagasaki Univ, Grad Sch Engn, 1-19 Bunkyo Machi, Nagasaki 8528521, Japan

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Source :

JOURNAL OF ELECTROANALYTICAL CHEMISTRY

ISSN: 1572-6657

Year: 2020

Volume: 874

4 . 4 6 4

JCR@2020

4 . 1 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:160

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 19

SCOPUS Cited Count: 21

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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