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    Lithium-Ion Desolvation Induced by Nitrate Additives Reveals New Insights into High Performance Lithium Batteries

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    Name:
    Accepted Manuscript_Wandi Wahyudi.pdf
    Size:
    5.262Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2022-04-02
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    Type
    Article
    Authors
    Wahyudi, Wandi
    Ladelta, Viko cc
    Tsetseris, Leonidas
    Alsabban, Merfat
    Guo, Xianrong
    Yengel, Emre cc
    Faber, Hendrik cc
    Adilbekova, Begimai
    Seitkhan, Akmaral cc
    Emwas, Abdul-Hamid
    Hedhili, Mohamed N. cc
    Li, Lain-Jong
    Tung, Vincent cc
    Hadjichristidis, Nikos cc
    Anthopoulos, Thomas D. cc
    Ming, Jun cc
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Catalysis Center (KCC)
    Chemical Science Program
    NMR
    KAUST Solar Center (KSC)
    Material Science and Engineering
    Core Labs, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
    Surface Science
    KAUST Catalysis Center King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
    Date
    2021-04-02
    Embargo End Date
    2022-04-02
    Submitted Date
    2021-02-15
    Permanent link to this record
    http://hdl.handle.net/10754/668497
    
    Metadata
    Show full item record
    Abstract
    Electrolyte additives have been widely used to address critical issues in current metal (ion) battery technologies. While their functions as solid electrolyte interface forming agents are reasonably well-understood, their interactions in the liquid electrolyte environment remain rather elusive. This lack of knowledge represents a significant bottleneck that hinders the development of improved electrolyte systems. Here, the key role of additives in promoting cation (e.g., Li+) desolvation is unraveled. In particular, nitrate anions (NO3−) are found to incorporate into the solvation shells, change the local environment of cations (e.g., Li+) as well as their coordination in the electrolytes. The combination of these effects leads to effective Li+ desolvation and enhanced battery performance. Remarkably, the inexpensive NaNO3 can successfully substitute the widely used LiNO3 offering superior long-term stability of Li+ (de-)intercalation at the graphite anode and suppressed polysulfide shuttle effect at the sulfur cathode, while enhancing the performance of lithium–sulfur full batteries (initial capacity of 1153 mAh g−1 at 0.25C) with Coulombic efficiency of ≈100% over 300 cycles. This work provides important new insights into the unexplored effects of additives and paves the way to developing improved electrolytes for electrochemical energy storage applications.
    Citation
    Wahyudi, W., Ladelta, V., Tsetseris, L., Alsabban, M. M., Guo, X., Yengel, E., … Ming, J. (2021). Lithium-Ion Desolvation Induced by Nitrate Additives Reveals New Insights into High Performance Lithium Batteries. Advanced Functional Materials, 2101593. doi:10.1002/adfm.202101593
    Sponsors
    W.W. and V.L. contributed equally to this work. This work was supported by the King Abdullah University of Science and Technology (KAUST)and KAUST Solar Centre. L.T. acknowledges computational time at the GRNET HPC facility ARIS through project pr007037-STEM-2. J.M. also thanks the great support from the National Natural Science Foundation of China (21978281).
    Publisher
    Wiley
    Journal
    Advanced Functional Materials
    DOI
    10.1002/adfm.202101593
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/adfm.202101593
    ae974a485f413a2113503eed53cd6c53
    10.1002/adfm.202101593
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)

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