Journal of Inorganic Materials, Volume. 37, Issue 2, 173(2022)

CoS2 as Cathode Material for Magnesium Batteries with Dual-salt Electrolytes

Wenbo LI1...2, Minsong HUANG2,3, Yueming LI1, and Chilin LI2,34 |Show fewer author(s)
Author Affiliations
  • 11. School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, China
  • 22. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • 33. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 44. CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
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    Figures & Tables(12)
    (a) Long-term cycling performance and (b) corresponding discharge-charge curves of CoS2 cathode in different hybrid electrolytes at 0.1C and 0.1-2.0 V; (c) Electrochemical cycling performance and (d) corresponding discharge-charge curves of CoS2 cathode in LiCl-APC electrolytes with different Li-salt concentrations
    (a) Comparison of long-term performance of Mg-CoS2 cells under different voltage ranges based on LiCl-APC electrolyte at 0.1C; (b) Rate performance of Mg-CoS2 cells under different voltage ranges based on LiCl-APC electrolyte
    XPS spectra of (a) Co2p and (b) S2p for pristine CoS2 electrode, 1st discharged electrode and electrodes after 1st charge to 2.0 and 2.75 V
    (a, c, e) TEM and (b, d, f) HRTEM images of CoS2 electrode after (a, b) first discharge, first charge to (c, d) 2.0 and (e, f) 2.75 V
    (a) SEM image and (b-f) element mappings of Mg anode surface from Mg-CoS2 cell in LiCl-APC electrolyte after 50 cycles
    Schematic illustration of charge/discharge processes of Mg-CoS2 cells based on Li+/Mg2+ hybrid electrolyte in different voltage ranges
    Galvanostatic charge/discharge curves of (a)Li/CoS2 (LMB) and (b)Mg/CoS2 (MLB) cells during first two cycles for comparison between thermodynamic voltage and practical discharge voltage
    (a) XRD pattern of commercially available CoS2, (b) SEM image of CoS2 cathode before cycling
    Discharge-charge curves of CoS2 cathode in pure APC electrolyte
    Discharge-charge curves of Li-CoS2 battery during the first 20 cycles
    XRD pattern of as-synthesized Co3S4 sample
    (a) Long-term cycling performance and (b) corresponding discharge-charge curves of Co3S4 cathode in 1 mol/L LiCl-APC electrolyte
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    Wenbo LI, Minsong HUANG, Yueming LI, Chilin LI. CoS2 as Cathode Material for Magnesium Batteries with Dual-salt Electrolytes [J]. Journal of Inorganic Materials, 2022, 37(2): 173

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    Paper Information

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    Received: Jun. 4, 2021

    Accepted: --

    Published Online: Nov. 14, 2022

    The Author Email:

    DOI:10.15541/jim20210353

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