Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
DOI: https://doi.org/10.29363/nanoge.matsus.2024.020
Publication date: 18th December 2023
Electrochemical energy storage technologies have gained prominence due to their efficient means of storing, transporting, and delivering energy harnessed from sustainable resources.[1-3] However, the safety, resource, and cost issues associated with state-of-the-art Li-ion batteries have prompted the development of next-generation batteries. This has given rise to innovative battery concepts like dual-ion batteries, aqueous batteries, and multivalent metal batteries. Nonetheless, the creation of these next-generation batteries is not as straightforward as substituting Li-ion with alternative ion charge carriers. Challenges persist, especially at the electrode/electrolyte interface, where electrochemical reactions encounter obstacles such as high energy barriers linked to ion desolvation/dissociation, electrolyte decomposition, and the co-insertion of solvent/ion aggregates. In this presentation, I will present our recent endeavors in exploring 2D crystalline polymers as effective interfacial coatings for batteries.[4-5] These coatings facilitate efficient interfacial ion transport and charge transfer. Through in-situ/operando X-ray techniques (XRD & XAS), we have unveiled the pivotal role of 2D crystalline polymer membranes in enhancing the overall electrochemical reaction kinetics, reversibility, and durability.
References:
[1] Yu et al., Chem. Soc. Rev. 2021, 50, 2388-2443.
[2] Yu et al., Joule 2019, 3, 338-360.
[3] Yu et al., J. Am. Chem. Soc. 2020, 142, 12903-12915.
[4] Yu et al., Small 2022, 18, 2107971.
[5] Yu et al., Nat. Commun. 2023, 14, 760.
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