Foldable Solid-state Batteries Enabled by Electrolyte Mediation in Covalent Organic Frameworks
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Advanced Materials - 2022 - Guo - Foldable Solid‐state Batteries Enabled by Electrolyte Mediation in Covalent Organic.pdf
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2023-03-25
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ArticleAuthors
Guo, DongShinde, Digambar
Shin, Woochul
Abou-Hamad, Edy
Emwas, Abdul-Hamid
Lai, Zhiping

Manthiram, Arumugam
KAUST Department
Division of Physical Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Saudi ArabiaCore 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/1/3769-01Date
2022-03-25Embargo End Date
2023-03-25Permanent link to this record
http://hdl.handle.net/10754/676335
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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 demonstratedCitation
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.202201410Sponsors
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/1/3769-01Publisher
WileyJournal
Advanced MaterialsPubMed ID
35332970Additional Links
https://onlinelibrary.wiley.com/doi/10.1002/adma.202201410ae974a485f413a2113503eed53cd6c53
10.1002/adma.202201410
Scopus Count
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