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author:

Yao, Weiwei (Yao, Weiwei.) [1] | Ren, Jing (Ren, Jing.) [2] | Mao, Jian (Mao, Jian.) [3] | Wang, Liang (Wang, Liang.) [4] | Chen, Zhiwen (Chen, Zhiwen.) [5] | Pan, Dengyu (Pan, Dengyu.) [6] | Wu, Minghong (Wu, Minghong.) [7] (Scholars:吴明红) | Li, Zhen (Li, Zhen.) [8]

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SCIE

Abstract:

Graphite has been widely used as an anode material for commercial lithium-ion battery applications because of its excellent stability and low cost. However, graphite-based anodes need to improve the energy storage capacities to meet the increasing power demands of next-generation technologies. Here, we have developed a class of novel and flexible electrode materials that consist of N-doped graphene quantum dots supported by carbon nanotubes grown on carbon cloth (denoted as CC/CNT@N-GQD). Such architecture synergistically combines the advantages of three dimensions/one dimension substrates and zero dimension N-GQDs. It greatly improves the electron/ion transport kinetics of N-GQDs, resulting in attractive electrochemical performance in terms of high reversible capacity and excellent rate capability. Moreover, the annealing temperature plays an important role in the control of N-doping types of CC/CNT@N-GQD. CC/CNT@N-GQD anodes annealed at 500 degrees C have a high content of pyridinic N, exhibiting a very excellent rate capability and cycling stability, as exemplified by a capacity of 2.88 mAh cm(-2) at 4 mA cm(-2) and a reversible capacity of 3.63 mAh cm(-2) after 150 cycles at 0.19 mA cm(-2). (C) 2020 The Electrochemical Society ("ECS"). Published on behalf of ECS by IOP Publishing Limited.

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Community:

  • [ 1 ] [Yao, Weiwei]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 2 ] [Ren, Jing]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 3 ] [Mao, Jian]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 4 ] [Wang, Liang]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 5 ] [Chen, Zhiwen]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 6 ] [Pan, Dengyu]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 7 ] [Wu, Minghong]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China
  • [ 8 ] [Li, Zhen]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 201800, Peoples R China

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Source :

JOURNAL OF THE ELECTROCHEMICAL SOCIETY

ISSN: 0013-4651

Year: 2020

Issue: 6

Volume: 167

4 . 3 1 6

JCR@2020

3 . 1 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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