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    Engineering Sodium-Ion Solvation Structure to Stabilize Sodium Anodes: Universal Strategy for Fast-Charging and Safer Sodium-Ion Batteries

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    Name:
    Alshareef et al Na ion solvation structure.pdf
    Size:
    662.3Kb
    Format:
    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Zhou, Lin
    Cao, Zhen
    Zhang, Jiao
    Sun, Qujiang
    Wu, Yingqiang
    Wahyudi, Wandi cc
    Hwang, Jang-Yeon
    Wang, Limin cc
    Cavallo, Luigi cc
    Sun, Yang-Kook cc
    Alshareef, Husam N. cc
    Ming, Jun cc
    KAUST Department
    Chemical Science Program
    Functional Nanomaterials and Devices Research Group
    KAUST Catalysis Center (KCC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2020-04-22
    Online Publication Date
    2020-04-22
    Print Publication Date
    2020-05-13
    Embargo End Date
    2021-04-22
    Submitted Date
    2019-12-31
    Permanent link to this record
    http://hdl.handle.net/10754/662675
    
    Metadata
    Show full item record
    Abstract
    Sodium-ion batteries are promising alternatives for lithium-ion batteries due to their lower cost caused by global sodium availability. However, the low Coulombic efficiency (CE) of the sodium metal plating/stripping process represents a serious issue for the Na anode, which hinders achieving a higher energy density. Herein, we report that the Na+ solvation structure, particularly the type and location of the anions, plays a critical role in determining the Na anode performance. We show that the low CE results from anion-mediated corrosion, which can be tackled readily through tuning the anion interaction at the electrolyte/anode interface. Our strategy thus enables fast-charging Na-ion and Na-S batteries with a remarkable cycle life. The presented insights differ from the prevailing interpretation that the failure mechanism mostly results from sodium dendrite growth and/or solid electrolyte interphase formation. Our anionic model introduces a new guideline for improving the electrolytes for metal-ion batteries with a greater energy density.
    Citation
    Zhou, L., Cao, Z., Zhang, J., Sun, Q., Wu, Y., Wahyudi, W., … Ming, J. (2020). Engineering Sodium-Ion Solvation Structure to Stabilize Sodium Anodes: Universal Strategy for Fast-Charging and Safer Sodium-Ion Batteries. Nano Letters. doi:10.1021/acs.nanolett.9b05355
    Sponsors
    This work is supported by the National Natural Science Foundation of China (21978281 and 21975250) and the National Key R&D Program of China (SQ2017YFE9128100). The authors also thank the Independent Research Project of the State Key Laboratory of Rare Earth Resources Utilization (110005R086), Changchun Institute of Applied Chemistry, Chinese Academy of Sciences. The research was also partially supported by King Abdullah University of Science and Technology (KAUST) and Hanyang University.
    Publisher
    American Chemical Society (ACS)
    Journal
    Nano Letters
    DOI
    10.1021/acs.nanolett.9b05355
    PubMed ID
    32319776
    Additional Links
    https://pubs.acs.org/doi/10.1021/acs.nanolett.9b05355
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.nanolett.9b05355
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC)

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