Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
The 70th special feature “Research Frontiers of Electrochemical Capacitors”
Advances in Electric Double-Layer Capacitor Research Using X-ray Scattering Techniques
Yoshikiyo HATAKEYAMA Ryusuke FUTAMURA
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2024 年 92 巻 7 号 p. 074004

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A detailed understanding of the energy storage mechanism is essential to enhance the energy density of electrochemical capacitors. This necessity has led to the widespread use of in situ and operando measurements of electrochemical devices with laboratory X-ray scattering equipment and synchrotron X-rays. For electrochemical capacitors, it is crucial to obtain comprehensive information on the behavior of the electrolytes within the nanopores, the formation of the electric double-layer, and the structural changes in both the electrode and the porous carbon used as the electrode material. This review will present recent studies on electric double-layer capacitors, highlighting the insights gained from X-ray scattering measurements.

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© The Author(s) 2024. Published by ECSJ.

This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium provided the original work is properly cited. [DOI: 10.5796/electrochemistry.24-70038].
http://creativecommons.org/licenses/by/4.0/
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