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author:

Liu, L. (Liu, L..) [1] | Liao, A. (Liao, A..) [2] | Lin, L. (Lin, L..) [3] | Huang, Y. (Huang, Y..) [4] | Zhang, Y. (Zhang, Y..) [5] | Liu, Y. (Liu, Y..) [6] | Gao, G. (Gao, G..) [7] | Lin, J. (Lin, J..) [8] | Sa, B. (Sa, B..) [9] | Wang, L. (Wang, L..) [10] | Peng, D.-L. (Peng, D.-L..) [11] | Xie, Q. (Xie, Q..) [12]

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Scopus

Abstract:

The commercialization of Li–S batteries is severely hampered by the electrically insulated nature of S and the discharge product Li2S, the shuttle effect of lithium polysulfides (LiPSs), and the slow redox kinetics between Li2S2/Li2S. Herein, a composite of Co–Ni bimetallic selenide nanoparticles embedded in honeycomb porous carbon (Co–Ni–Se@C) is prepared and used as a multifunctional interlayer on the separator to solve the above-mentioned challenges in Li–S batteries. The Co–Ni–Se@C composite with high electrical conductivity can not only accelerate Li+ and electronic transfer but also have good chemisorption and catalytic activity for LiPSs, which can maximize the utilization of sulfur active material. As expected, Li–S batteries assembled with Co–Ni–Se@C-PP separator exhibit excellent electrochemical performance, including high initial discharge capacity of 1245 mAh g−1 at 0.2 C, superior long cycling stability with a 0.066 % decay per cycle at 1.0 C, and an excellent rate capacity of 674 mAh g−1 at 5.0 C. In addition, a satisfactory capacity of 1174 mAh g−1 is achieved with a high sulfur loading of 3.7 mAh g−1 and a low E/S ratio of 10 μL mg−1. This work provides a new insight into the application of bimetallic selenides in high-performance Li–S batteries. © 2024 Elsevier B.V.

Keyword:

Bimetallic selenide Electrochemical properties Lithium-sulfur batteries Separator modification

Community:

  • [ 1 ] [Liu L.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 2 ] [Liao A.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 3 ] [Lin L.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 4 ] [Huang Y.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 5 ] [Zhang Y.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 6 ] [Liu Y.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 7 ] [Gao G.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 8 ] [Lin J.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 9 ] [Sa B.]Multiscale Computational Materials Facility, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350100, China
  • [ 10 ] [Wang L.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 11 ] [Peng D.-L.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 12 ] [Xie Q.]State Key Laboratory for Physical Chemistry of Solid Surfaces, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials (Xiamen University), College of Materials, Xiamen University, Xiamen, 361005, China
  • [ 13 ] [Xie Q.]Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China

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Source :

Journal of Power Sources

ISSN: 0378-7753

Year: 2024

Volume: 608

8 . 1 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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