ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)


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Gryzlov D. Y., Kulova T. L., Skundin A. M., Andreev V. N., Mel'nikov V. P., Kalinichenko V. N. A Double Layer Supercapacitor for Wide Temperature Range. Electrochemical Energetics, 2019, vol. 19, iss. 3, pp. 141-?. DOI: 10.18500/1608-4039-2019-19-3-141-147, EDN: QHQALM

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QHQALM

A Double Layer Supercapacitor for Wide Temperature Range

Autors: 
Gryzlov Dmitrii Yur'evich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS
Kulova Tat'yana L'vovna, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS
Skundin Aleksandr Mordukhaevich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS
Andreev Vladimir Nikolaevich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS
Mel'nikov Valery Pavlovich, Institute of Chemical Physics of N. N. Semyonov of RAS
Kalinichenko Valerii Nikolaevich, Institute of Chemical Physics of N. N. Semyonov of RAS
Abstract: 

The cyclic voltammetry was used to study the behavior of a symmetric supercapacitor with activated carbon cloth electrodes and a solution of an ionic liquid (C8H15N2PF6) in freon-22 as an electrolyte in the temperature range from ? 140 to + 130°C. The measurements were carried out in a special autoclave. At temperatures above 90°C, the supercapacitor exhibits purely capacitive behavior, whereas at the temperature lowering, the influence of resistance strongly increases.

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Received: 
09.04.2019
Accepted: 
05.05.2019
Published: 
20.09.2019