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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] | Zhang, Jiujun (Zhang, Jiujun.) [6]

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EI

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[sbnd]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. © 2022 Elsevier B.V.

Keyword:

Bond strength (chemical) Charge transfer Chemical analysis Doping (additives) Electrons Gallium nitride Heterojunctions III-V semiconductors Ions Lithium compounds Lithium-ion batteries Synthesis (chemical) X ray absorption

Community:

  • [ 1 ] [Sun, Changlong]New Energy and Advanced Functional Materials Group, School of Materials Science and Engineering, Dongguan University of Technology, Guangdong, Dongguan; 523808, China
  • [ 2 ] [Wang, Yan-Jie]New Energy and Advanced Functional Materials Group, School of Materials Science and Engineering, Dongguan University of Technology, Guangdong, Dongguan; 523808, China
  • [ 3 ] [Liu, Dan]New Energy and Advanced Functional Materials Group, School of Materials Science and Engineering, Dongguan University of Technology, Guangdong, Dongguan; 523808, China
  • [ 4 ] [Fang, Baizeng]Department of Chemical & Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver; BC; V6T 1Z3, Canada
  • [ 5 ] [Yan, Wei]School of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Zhang, Jiujun]Institute for Sustainable Energy/College of Sciences, Shanghai University, Shanghai; 200444, China
  • [ 7 ] [Zhang, Jiujun]School of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, 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 HC Threshold:35

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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