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author:

Liang, F. (Liang, F..) [1] | Dong, H. (Dong, H..) [2] | Ji, Z. (Ji, Z..) [3] | Zhang, W. (Zhang, W..) [4] | Zhang, H. (Zhang, H..) [5] | Cao, C. (Cao, C..) [6] | Li, H. (Li, H..) [7] | Liu, H. (Liu, H..) [8] | Zhang, K.-Q. (Zhang, K.-Q..) [9] | Lai, Y. (Lai, Y..) [10] | Tang, Y. (Tang, Y..) [11] | Ge, M. (Ge, M..) [12]

Indexed by:

Scopus CSCD

Abstract:

Lithium-ion batteries (LIBs) have been widely used as grid-level energy storage systems to power electric vehicles, hybrid electric vehicles, and portable electronic devices. However, it is a big challenge to develop high-capacity electrode materials with large energy storage and ultrafast charging capability simultaneously due to the sluggish charge carrier transport in bulk materials and fragments of active materials. To address this issue, composite electrodes of SnO2 nanodots and Sn nanoclusters embedded in hollow porous carbon nanofibers (denoted as SnO2@HPCNFs and Sn@HPCNFs) were respectively constructed programmatically for customized LIBs. Highly interconnected carbon nanofiber networks served as fast electron transport pathways. Additionally, the hierarchical hollow and porous structure facilitated rapid Li-ion diffusion and alleviated the volume expansion of Sn and SnO2. SnO2@HPCNFs delivered a remarkably high capacity of 899.3 mA h g−1 at 0.1 A g−1 due to enhanced Li adsorption and high ionic diffusivity. Meanwhile, Sn@HPCNFs displayed fast charging capability and superior high rate performance of 238.8 mA h g−1 at 5 A g−1 (∼10 C) due to the synergetic effect of enhanced Li-ion storage in the bulk pores of Sn and improved electronic conductivity. The investigation of the electrochemical behaviors of SnO2 and Sn by tailoring the carbonization temperature provides new insight into constructing high-capacity anode materials for high-performance energy storage devices. [Figure not available: see fulltext.]. © 2023, Science China Press.

Keyword:

high rate performance large energy storage lithium-ion batteries Sn-based electrodes volume expansion

Community:

  • [ 1 ] [Liang, F.]School of Textile and Clothing, Nantong University, Nantong, 226019, China
  • [ 2 ] [Dong, H.]School of Materials Engineering, Changshu Institute of Technology, Changshu, 215500, China
  • [ 3 ] [Ji, Z.]School of Textile and Clothing, Nantong University, Nantong, 226019, China
  • [ 4 ] [Zhang, W.]School of Textile and Clothing, Nantong University, Nantong, 226019, China
  • [ 5 ] [Zhang, H.]School of Textile and Clothing, Nantong University, Nantong, 226019, China
  • [ 6 ] [Cao, C.]Department of Biomedical Sciences, City University of Hong Kong999077, Hong Kong
  • [ 7 ] [Li, H.]Institute of Applied Physics and Materials Engineering, University of Macau999078, Macau
  • [ 8 ] [Liu, H.]Institute of Applied Physics and Materials Engineering, University of Macau999078, Macau
  • [ 9 ] [Zhang, K.-Q.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
  • [ 10 ] [Lai, Y.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 11 ] [Tang, Y.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 12 ] [Ge, M.]School of Textile and Clothing, Nantong University, Nantong, 226019, China

Reprint 's Address:

  • [Zhang, W.]School of Textile and Clothing, China;;[Ge, M.]School of Textile and Clothing, China;;[Cao, C.]Department of Biomedical Sciences, Hong Kong;;[Tang, Y.]College of Chemical Engineering, China

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Source :

Science China Materials

ISSN: 2095-8226

Year: 2023

Issue: 5

Volume: 66

Page: 1736-1746

6 . 8

JCR@2023

6 . 8 0 0

JCR@2023

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:3

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: 4

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