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Electric Field-Dependence of Double Layer Capacitances by Current-Controlled Charge-Discharge Steps
http://hdl.handle.net/10098/10950
http://hdl.handle.net/10098/10950ff3d63f9-246c-4efb-96ed-6eb7bec48961
名前 / ファイル | ライセンス | アクション |
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bd10124995.pdf (2.7 MB)
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(C) 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-07-06 | |||||
タイトル | ||||||
タイトル | Electric Field-Dependence of Double Layer Capacitances by Current-Controlled Charge-Discharge Steps | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_1843 | |||||
資源タイプ | other | |||||
著者 |
He, Ridong
× He, Ridong× Jeremiah, Aoki Koichi× Chen, Jingyuan |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Voltage vs. time curves of double layer capacitances (DLCs) by current-controlled charge and discharge steps have been recognized to be composed of triangular waves. They are deviated slightly from triangles from the viewpoint of the time dependence or the constant phase element of the DLC. In order to evaluate the deviation, we measured DLCs of a platinum (Pt) electrode in KCl solution by current-control. Each time-voltage curve was convex rather a line, and was followed by the power law. Even if the time dependence was subtracted from each curve, the enhancement of the DLC was noticeable with an increase in the time well as the voltage. It can be attributed to the electric field e ect, in which dipoles of solvents are oriented on an electrode so strongly that the DLC may be increased. The field dependence can be justified with the kinetic theory of interacting dipoles of solvents on an electrode through the observed linearity of the logarithmic DLC with the net voltage. This concept was applied to a commercially | |||||
書誌情報 |
Electrochem 巻 2020-1, 号 2, p. 217-225, 発行日 2020-06-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 26733293 | |||||
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識別子タイプ | NCID | |||||
関連識別子 | TD10124995 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | doi:10.3390/electrochem1020015 | |||||
著者版フラグ | ||||||
出版タイプ | AO | |||||
出版タイプResource | http://purl.org/coar/version/c_b1a7d7d4d402bcce |