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author:

Si, Junhui (Si, Junhui.) [1] | Zhao, Mingliang (Zhao, Mingliang.) [2] | Cui, Zhixiang (Cui, Zhixiang.) [3] | Cai, Daoping (Cai, Daoping.) [4] (Scholars:蔡道平) | Zhan, Hongbing (Zhan, Hongbing.) [5] (Scholars:詹红兵) | Wang, Qianting (Wang, Qianting.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Amorphous transition metal oxides have recently received particular research interests in electrochemical energy storage. However, there is still a lack of direct comparisons between amorphous materials and their crystalline counterparts. Here, we demonstrate the rational synthesis of crystalline and amorphous Fe2O3 nanocubes uniformly grown on carbon nanofibers (denoted as CNFs@C-Fe2O3 and CNFs@A-Fe2O3, respectively) for lithiumion batteries (LIBs) and lithium-sulfur batteries (LSBs). In such a structure, the Fe2O3 nanocubes possess strong interfacial bonding with CNFs, which can ensure rapid electron transportation. Besides, these Fe2O3 nanocubes are highly porous, which can effectively alleviate the volume change, enlarge the surface area, increase active sites and facilitate ion diffusion. When employed as freestanding anode for LIBs, the CNFs@C-Fe2O3 electrode delivers much improved lithium ion storage performance compared to that of CNFs@A-Fe2O3. When evaluated as interlayers for LSBs, instead, the batteries with CNFs@A-Fe2O3 exhibit better rate performance cycling stability than that of with CNFs@C-Fe2O3. Moreover, theoretical calculations elucidate the amorphous Fe2O3 has stronger adsorption ability toward the soluble lithium polysulfides. This work would provide new insights into the reasonably development of crystalline and amorphous transition metal oxides toward electrochemical energy storage.

Keyword:

Amorphous materials Electrospinning Lithium-ion batteries Lithium-sulfur batteries Transition metal oxides

Community:

  • [ 1 ] [Si, Junhui]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China
  • [ 2 ] [Zhao, Mingliang]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China
  • [ 3 ] [Cui, Zhixiang]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China
  • [ 4 ] [Zhan, Hongbing]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China
  • [ 5 ] [Wang, Qianting]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China
  • [ 6 ] [Si, Junhui]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 7 ] [Zhao, Mingliang]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 8 ] [Cui, Zhixiang]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 9 ] [Wang, Qianting]Fujian Univ Technol, Sch Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 10 ] [Cai, Daoping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 11 ] [Zhan, Hongbing]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 12 ] [Wang, Qianting]Xiamen Univ Technol, Xiamen 361024, Peoples R China

Reprint 's Address:

  • 蔡道平

    [Wang, Qianting]Fujian Univ Technol, Fujian Prov Engn Res Ctr Die & Mold, Fuzhou 350118, Peoples R China;;[Cai, Daoping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China

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Source :

APPLIED SURFACE SCIENCE

ISSN: 0169-4332

Year: 2024

Volume: 657

6 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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