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Download Hi-Res ImageDownload to MS-PowerPointCite This:J. Phys. Chem. Lett. 2023, 14, 1, 101-106
    Physical Insights into Energy Science

    Nanostructural Organization in a Biredox Ionic Liquid
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    • Roxanne Berthin
      Roxanne Berthin
      Sorbonne Université, CNRS, Physico-chimie des Électrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
      Réseau sur le Stockage Électrochimique de l’Énergie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
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    • Alessandra Serva
      Alessandra Serva
      Sorbonne Université, CNRS, Physico-chimie des Électrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
      Réseau sur le Stockage Électrochimique de l’Énergie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
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      Orcidhttps://orcid.org/0000-0002-7525-2494
    • Olivier Fontaine
      Olivier Fontaine
      School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
      Institut Universitaire de France (IUF), 75231 Paris, France
      More by Olivier Fontaine
      Orcidhttps://orcid.org/0000-0002-1804-5990
    • Mathieu Salanne*
      Mathieu Salanne
      Sorbonne Université, CNRS, Physico-chimie des Électrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
      Réseau sur le Stockage Électrochimique de l’Énergie (RS2E), FR CNRS 3459, 80039 Amiens Cedex, France
      Institut Universitaire de France (IUF), 75231 Paris, France
      *E-mail: [email protected]
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      Orcidhttps://orcid.org/0000-0002-1753-491X
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    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2023, 14, 1, 101–106
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    https://doi.org/10.1021/acs.jpclett.2c03330
    Published December 27, 2022
    Copyright © 2022 American Chemical Society
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    Abstract

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    Ionic liquids generally display peculiar structural features that impact their physical properties, such as the formation of polar and apolar domains. Recently, ionic liquids functionalized with anthraquinone and TEMPO redox groups were shown to increase the energy storage performance of supercapacitors, but their structure has not yet been characterized. In this work, we use polarizable molecular dynamics to study the nanostructuration of such biredox ionic liquids. We show that TEMPO nitroxyl functions tend to aggregate, while the anthraquinone groups favor stacked arrangements. The latter eventually percolate through the whole liquid, which sheds some light on the mechanisms at play within biredox ionic liquid-based supercapacitors.

    Copyright © 2022 American Chemical Society

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    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2023, 14, 1, 101–106
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.jpclett.2c03330
    Published December 27, 2022
    Copyright © 2022 American Chemical Society
    Request reuse permissions

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