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Author:

Wang, Ling (Wang, Ling.) | Yang, Guorui (Yang, Guorui.) | Wang, Jianan (Wang, Jianan.) | Wang, Silan (Wang, Silan.) | Wang, Caiyun (Wang, Caiyun.) | Peng, Shengjie (Peng, Shengjie.) | Yan, Wei (Yan, Wei.) | Ramakrishna, Seeram (Ramakrishna, Seeram.)

Indexed by:

SCIE EI Scopus PubMed

Abstract:

Herein, 1D free-standing and binder-free hierarchically branched TiO2/C nanofibers (denoted as BT/C NFs) based on an in situ fabrication method as an anode for sodium-ion batteries are reported. The in situ fabrication endows this material with large surface area and strong structural stability, providing this material with abundant active sites and smooth channels for fast ion transportation. As a result, BT/C NFs with the character of free-standing membranes are directly used as binder-free anode for sodium-ion batteries, delivering a capacity of 284 mA h g(-1) at a current density of 200 mA g(-1) after 1000 cycles. Even at a high current density of 2000 mA g(-1), the reversible capacity can still achieve as high as 204 mA h g(-1). By means of kinetic analysis, it is demonstrated that the remarkable surface pseudocapacitive behavior is also a major factor to achieve excellent performance. The rationally designed structure coupled with the inherent pseudocapacitive behavior gives this material potential for sodium-ion batteries.

Keyword:

anodes branched TiO2 C nanofibers electrospinning pseudocapacitive behavior

Author Community:

  • [ 1 ] [Wang, Ling; Yang, Guorui; Wang, Jianan; Wang, Silan; Yan, Wei] Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 2 ] [Wang, Caiyun] Univ Wollongong, Intelligent Polymer Res Inst, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia
  • [ 3 ] [Peng, Shengjie; Ramakrishna, Seeram] Natl Univ Singapore, Dept Mech Engn, Singapore 117574, Singapore
  • [ 4 ] [Wang, Ling]Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 5 ] [Yang, Guorui]Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 6 ] [Wang, Jianan]Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 7 ] [Wang, Silan]Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 8 ] [Yan, Wei]Xi An Jiao Tong Univ, Dept Environm Sci & Engn, State Key Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
  • [ 9 ] [Wang, Caiyun]Univ Wollongong, Intelligent Polymer Res Inst, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia
  • [ 10 ] [Peng, Shengjie]Natl Univ Singapore, Dept Mech Engn, Singapore 117574, Singapore
  • [ 11 ] [Ramakrishna, Seeram]Natl Univ Singapore, Dept Mech Engn, Singapore 117574, Singapore

Reprint Author's Address:

  • [Yang, Guorui]Department of Environmental Science & Engineering, State Key of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an; 710049, China;;

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Source :

SMALL

ISSN: 1613-6810

Year: 2019

Issue: 30

Volume: 15

1 1 . 4 5 9

JCR@2019

1 3 . 2 8 1

JCR@2020

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:131

JCR Journal Grade:4

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 37

SCOPUS Cited Count: 52

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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