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    Foldable Solid-state Batteries Enabled by Electrolyte Mediation in Covalent Organic Frameworks

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    Name:
    Advanced Materials - 2022 - Guo - Foldable Solid‐state Batteries Enabled by Electrolyte Mediation in Covalent Organic.pdf
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    2.833Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
    Embargo End Date:
    2023-03-25
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    Type
    Article
    Authors
    Guo, Dong
    Shinde, Digambar
    Shin, Woochul
    Abou-Hamad, Edy
    Emwas, Abdul-Hamid
    Lai, Zhiping cc
    Manthiram, Arumugam
    KAUST Department
    Division of Physical Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Saudi Arabia
    Core Labs King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Saudi Arabia
    Advanced Membranes and Porous Materials Research Center
    Chemical Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    URF/1/3769-01
    Date
    2022-03-25
    Embargo End Date
    2023-03-25
    Permanent link to this record
    http://hdl.handle.net/10754/676335
    
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    Abstract
    Solid-state electrolytes with high Li<sup>+</sup> conductivity, flexibility, durability, and stability offer an attractive solution to enhance safety and energy density. However, meeting these stringent requirements poses challenges to the existing solid polymeric or ceramic electrolytes. Here, we present an electrolyte-mediated single-Li<sup>+</sup> conductive covalent organic framework (COF) that represents a new category of quality solid-state Li<sup>+</sup> conductors. In situ solidification of a tailored liquid electrolyte boosts the charge-carrier concentration in the COF channels, decouples Li<sup>+</sup> cations from both COF walls and molecular chains, and eliminates defects by crystal soldering. Such an altered micro-environment activates the motion of Li<sup>+</sup> ions in a directional manner, which leads to an increase in Li<sup>+</sup> conductivity by 100 times with a transference number of 0.85 achieved at room temperature. Moreover, the electrolyte conversion cements the ultrathin COF membrane with fortified mechanical toughness. With the COF membrane, foldable solid-state pouch cells are demonstrated
    Citation
    Guo, D., Shinde, D. B., Shin, W., Abou-Hamad, E., Emwas, A., Lai, Z., & Manthiram, A. (2022). Foldable Solid-state Batteries Enabled by Electrolyte Mediation in Covalent Organic Frameworks. Advanced Materials, 2201410. Portico. https://doi.org/10.1002/adma.202201410
    Sponsors
    Supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering under award number DE-SC0005397. The synthesis and part of the characterization work were supported by the KAUST Competitive Fund URF/1/3769-01
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.202201410
    PubMed ID
    35332970
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/adma.202201410
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.202201410
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Engineering Program

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