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Multinuclear in situ magnetic resonance imaging of electrochemical double-layer capacitors

Author

Listed:
  • Andrew J. Ilott

    (New York University)

  • Nicole M. Trease

    (Stony Brook University)

  • Clare P. Grey

    (Stony Brook University
    University of Cambridge)

  • Alexej Jerschow

    (New York University)

Abstract

The last decade has seen an intensified interest in the development and use of electrochemical double-layer capacitors, fuelled by the availability of new electrode materials. The use of nanoporous carbons, in particular, with extremely high surface areas for ion adsorption has enabled the development of working devices with significantly increased capacitances that have become viable alternatives to lithium-ion batteries in certain applications. An understanding of the charge storage mechanism and the ion dynamics inside the nanopores is only just emerging, with the most compelling evidence coming from simulation. Here we present the first in situ magnetic resonance imaging experiments of electrochemical double-layer capacitors. These experiments overcome the limitations of other techniques and give spatially resolved chemical information about the electrolyte ions in real time for a working capacitor of standard geometry. The results provide insight into the predominant capacitive processes occurring at different states of charge and discharge.

Suggested Citation

  • Andrew J. Ilott & Nicole M. Trease & Clare P. Grey & Alexej Jerschow, 2014. "Multinuclear in situ magnetic resonance imaging of electrochemical double-layer capacitors," Nature Communications, Nature, vol. 5(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5536
    DOI: 10.1038/ncomms5536
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    Cited by:

    1. Isuru E. Gunathilaka & Jennifer M. Pringle & Luke A. O’Dell, 2021. "Operando magnetic resonance imaging for mapping of temperature and redox species in thermo-electrochemical cells," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    2. Román Picazo-Frutos & Kirill F. Sheberstov & John W. Blanchard & Erik Dyke & Moritz Reh & Tobias Sjoelander & Alexander Pines & Dmitry Budker & Danila A. Barskiy, 2024. "Zero-field J-spectroscopy of quadrupolar nuclei," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Pal, Bhupender & Yasin, Amina & Kaur, Rupinder & Tebyetekerwa, Mike & Zabihi, Fatemeh & Yang, Shengyuan & Yang, Chun-Chen & Sofer, Zděnek & Jose, Rajan, 2021. "Understanding electrochemical capacitors with in-situ techniques," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).

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