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author:

Wang, Qiong (Wang, Qiong.) [1] | Liu, Yadong (Liu, Yadong.) [2] | Zhu, Guanjia (Zhu, Guanjia.) [3] | Tang, Cheng (Tang, Cheng.) [4] | Sun, Weiwei (Sun, Weiwei.) [5] | Du, Aijun (Du, Aijun.) [6] | Wu, Minghong (Wu, Minghong.) [7] (Scholars:吴明红) | Zhang, Haijiao (Zhang, Haijiao.) [8]

Indexed by:

SCIE

Abstract:

Iron-based oxides are a class of attractive anode materials for lithium-ion batteries by virtue of their high theoretical capacity, abundant resource, and low cost. Nevertheless, their practical applications in energy storage are seriously hampered by their inherent large volume expansion, poor conductivity, and sluggish reaction kinetics. Herein, we design a unique bone-like Fe3O4@N-doped carbon (B-Fe3O4@C) composite via a facile Sn2+-induced hydrothermal route. Taking advantage of a unique morphology, a thin carbon layer coating of about 5 nm, and in situ nitrogen doping, the as-prepared B-Fe3O4@C anode material demonstrates excellent lithium storage capability. It delivers a high first discharge capacity (1480.3 mA h g(-1) at 0.1 A g(-1)), superior cycling stability (a capacity fading of only 0.026% per cycle for 100 cycles at 0.1 A and good rate capability (480.8 mA h g(-1) at 2 A g(-1)). The theoretical analysis results indicate that the enhanced electrochemical performance mainly comes from the increased Li+ adsorption energy on the Sn-doped Fe3O4 surface. The present synthetic study also paves a way for the facile design of advanced electrode materials for next-generation energy storage and conversion.

Keyword:

anode material bone-like Fe3O4@C lithium storage performance nitrogen doping Sn2+-regulated synthesis

Community:

  • [ 1 ] [Wang, Qiong]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 2 ] [Liu, Yadong]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 3 ] [Zhu, Guanjia]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 4 ] [Zhang, Haijiao]Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200444, Peoples R China
  • [ 5 ] [Tang, Cheng]Queensland Univ Technol, Sci & Engn Fac, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
  • [ 6 ] [Du, Aijun]Queensland Univ Technol, Sci & Engn Fac, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
  • [ 7 ] [Sun, Weiwei]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 8 ] [Wu, Minghong]Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China

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Source :

ACS APPLIED ENERGY MATERIALS

ISSN: 2574-0962

Year: 2021

Issue: 4

Volume: 4

Page: 3785-3793

6 . 9 5 9

JCR@2021

5 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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