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author:

Sun, Changlong (Sun, Changlong.) [1] | Wang, Yan-Jie (Wang, Yan-Jie.) [2] | Liu, Dan (Liu, Dan.) [3] | Fang, Baizeng (Fang, Baizeng.) [4] | Yan, Wei (Yan, Wei.) [5] (Scholars:颜蔚) | Zhang, Jiujun (Zhang, Jiujun.) [6] (Scholars:张久俊)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, gallium nitride (GaN) nanoparticles is synthesized on the nitrogen-doped graphene (NG) (GaN@NG). X-ray absorption fine structure (XAFS) shows the distinct interfacial interaction (Ga-N/N-C). This well-designed GaN@NG shows good reversible capacity (793.2 mAh/g at 0.1 A/g) and cycling durability with 98.5 % capacity retention at 2.0 A/g after 2000 cycles. Both DFT analysis and electrochemical kinetic analysis reveal that the configuration of intriguing electron and ion bridges is able to control and tailor the interfacial interaction via the interfacial coupled chemical bonds in GaN@NG heterojunction. Such electron/ion bridges can enhance the interfacial charge transfer kinetics and prevent pulverization/aggregation via the ion/electron channel during the cycling. As expected, the lithium-ion full cell (LiFePO4/C//GaN@NG) exhibits impressive energy and power densities and maintains superior cycling stability. This electron/ion bridges-related structural engineering strategy can open opportunities for the traditional electrode material to achieve the high-performance lithium ion storage and beyond.

Keyword:

DFT calculations Gallium nitride Heterojunction Interfacial engineering Lithium-ion batteries

Community:

  • [ 1 ] [Sun, Changlong]Dongguan Univ Technol, Sch Mat Sci & Engn, New Energy & Adv Funct Mat Grp, Dongguan 523808, Guangdong, Peoples R China
  • [ 2 ] [Wang, Yan-Jie]Dongguan Univ Technol, Sch Mat Sci & Engn, New Energy & Adv Funct Mat Grp, Dongguan 523808, Guangdong, Peoples R China
  • [ 3 ] [Liu, Dan]Dongguan Univ Technol, Sch Mat Sci & Engn, New Energy & Adv Funct Mat Grp, Dongguan 523808, Guangdong, Peoples R China
  • [ 4 ] [Wang, Yan-Jie]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China
  • [ 5 ] [Fang, Baizeng]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China
  • [ 6 ] [Zhang, Jiujun]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China
  • [ 7 ] [Yan, Wei]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 8 ] [Zhang, Jiujun]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 9 ] [Fang, Baizeng]Univ British Columbia, Dept Chem & Biol Engn, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada

Reprint 's Address:

  • [Wang, Yan-Jie]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China;;[Fang, Baizeng]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China;;[Zhang, Jiujun]Shanghai Univ, Inst Sustainable Energy, Coll Sci, Shanghai 200444, Peoples R China;;

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Source :

CHEMICAL ENGINEERING JOURNAL

ISSN: 1385-8947

Year: 2023

Volume: 453

1 3 . 4

JCR@2023

1 3 . 4 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:35

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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