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author:

Wu, Minghong (Wu, Minghong.) [1] (Scholars:吴明红) | Xia, Saisai (Xia, Saisai.) [2] | Ding, Jianfeng (Ding, Jianfeng.) [3] | Zhao, Bing (Zhao, Bing.) [4] | Jiao, Yalong (Jiao, Yalong.) [5] | Du, Aijun (Du, Aijun.) [6] | Zhang, Haijiao (Zhang, Haijiao.) [7]

Indexed by:

SCIE

Abstract:

Molybdenum disulfide (MoS2) has been widely deemed as an attractive anode candidate for rechargeable lithium -ion batteries (LIBs) on account of its apparently high capacity and intriguing 2-dimensional layered structure. In our work, the growth of MoS2 nanoflowers with an expanded interlayer spacing onto nitrogen-doped reduced graphene oxide has been successfully performed by using an effective poly(vinylpyrrolidone) (PVP)-guided assembly route. The theoretical and experimental results indicate that PVP, as a linker, is a major contribution, both in regulating the microstructure of MoS2 nanoflowers and improving the electrochemical properties of the flower-like MoS2/N-graphene (F-MoS2/NG) composite. When utilized as anode materials, the as-made F-MoS2/NG composite shows a boosted electrochemical performance for reversible lithium storage. It delivers a high reversible capacity of 1060 mAh/g at 100 mA/g even after 150 cycles, which is much higher than 416 mAh/g of the control MoS2/G electrode. The kinetics analysis reveals that the remarkable rate capability of FMoS2/NG is mainly ascribed to a pseudocapacitive process, which is rendered by its unique architecture including welldefined MoS2 nanoflowers, the doping of nitrogen onto graphene, and the enhanced synergistic effect between them.

Keyword:

anode material energy storage linker MoS2/N-doped graphene nanoflowers

Community:

  • [ 1 ] [Xia, Saisai]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 2 ] [Ding, Jianfeng]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 3 ] [Zhang, Haijiao]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 4 ] [Wu, Minghong]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 5 ] [Zhao, Bing]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 6 ] [Jiao, Yalong]Queensland Univ Technol, Sci & Engn Fac, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
  • [ 7 ] [Du, Aijun]Queensland Univ Technol, Sci & Engn Fac, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia

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Source :

CHEMELECTROCHEM

ISSN: 2196-0216

Year: 2018

Issue: 16

Volume: 5

Page: 2263-2270

3 . 9 7 5

JCR@2018

3 . 5 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 26

SCOPUS Cited Count: 26

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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