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author:

Xiao, H. (Xiao, H..) [1] | Qin, J. (Qin, J..) [2] | Wang, H. (Wang, H..) [3] | Lai, X. (Lai, X..) [4] | Shi, P. (Shi, P..) [5] | Chen, C. (Chen, C..) [6] | Sun, D. (Sun, D..) [7]

Indexed by:

Scopus

Abstract:

The deployment of Li–S batteries in the commercial sector faces obstacles due to their low electrical conductivity, slow redox reactions, quick fading of capacity, and reduced coulombic efficiency. These issues stem from the “shuttle effect” associated with lithium polysulfides (LiPSs). In this work, a haystack-like CeO2 derived from a cerium-based metal-organic framework (Ce-MOF) is obtained for the modification of a polypropylene separator. The carbon framework and CeO2 coexist in this haystack-like structure and contribute to a synergistic effect on the restriction of LiPSs shuttling. The carbon network enhances electron transfer in the conversion of LiPSs, improving the rate performance of the battery. Moreover, CeO2 enhances the redox kinetics of LiPSs, effectively reducing the “shuttle effect” in Li–S batteries. The Li–S battery with the optimized CeO2 modified separator shows an initial discharge capacity of 870.7 mAh/g at 2 C, maintaining excellent capacity over 500 cycles. This research offers insights into designing functional separators to mitigate the “shuttle effect” in Li–S batteries. © 2024 by the authors.

Keyword:

cerium oxides lithium–sulfur batteries metal organic frameworks modified separator synergistic effect

Community:

  • [ 1 ] [Xiao H.]College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Xiao H.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 3 ] [Xiao H.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 4 ] [Xiao H.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 5 ] [Xiao H.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 6 ] [Qin J.]College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Qin J.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 8 ] [Qin J.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 9 ] [Qin J.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 10 ] [Qin J.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 11 ] [Wang H.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 12 ] [Wang H.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 13 ] [Wang H.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 14 ] [Wang H.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 15 ] [Lai X.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 16 ] [Lai X.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 17 ] [Lai X.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 18 ] [Lai X.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 19 ] [Shi P.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 20 ] [Shi P.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 21 ] [Shi P.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 22 ] [Shi P.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 23 ] [Chen C.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 24 ] [Chen C.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 25 ] [Chen C.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 26 ] [Chen C.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China
  • [ 27 ] [Sun D.]CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 28 ] [Sun D.]Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, 361021, China
  • [ 29 ] [Sun D.]Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen, 361021, China
  • [ 30 ] [Sun D.]Fujian College, University of Chinese Academy Sciences, Fuzhou, 350002, China

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Source :

Molecules

ISSN: 1420-3049

Year: 2024

Issue: 8

Volume: 29

4 . 2 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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