Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution

Electrochemical anion intercalation/de-intercalation into the graphite electrode generally takes place at high electrode potential of over 4.5 V (Li+/Li), so it is attractive as the positive electrode reaction for the post lithium-ion batteries. In this study, the kinetic behavior of the anion inter...

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Main Author: Fumihiro SAGANE
Format: Article
Language:English
Published: The Electrochemical Society of Japan 2022-03-01
Series:Electrochemistry
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/electrochemistry/90/3/90_22-00003/_html/-char/en
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author Fumihiro SAGANE
author_facet Fumihiro SAGANE
author_sort Fumihiro SAGANE
collection DOAJ
description Electrochemical anion intercalation/de-intercalation into the graphite electrode generally takes place at high electrode potential of over 4.5 V (Li+/Li), so it is attractive as the positive electrode reaction for the post lithium-ion batteries. In this study, the kinetic behavior of the anion intercalation reaction in the organic solution is studied. The interfacial activation energy of anion species is as low as about 25 kJ mol−1, which is much lower than that of Li+-ion. The result means the anion intercalation reaction is essentially fast and therefore, it is suitable for the high power batteries. In addition, the activation energy is not influenced by the solvation ability in the solution and from the result, we conclude that the interfacial activation barrier will exist on the graphite electrode side, contrary to the Li+-ion case.
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spelling doaj.art-bc94563632434265b8143ab664c7f3602023-01-02T18:52:30ZengThe Electrochemical Society of JapanElectrochemistry2186-24512022-03-0190303700103700110.5796/electrochemistry.22-00003electrochemistryKinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic SolutionFumihiro SAGANE0Department of Electronics and Materials Science, Graduate School of Integrated Science and Technology, Shizuoka UniversityElectrochemical anion intercalation/de-intercalation into the graphite electrode generally takes place at high electrode potential of over 4.5 V (Li+/Li), so it is attractive as the positive electrode reaction for the post lithium-ion batteries. In this study, the kinetic behavior of the anion intercalation reaction in the organic solution is studied. The interfacial activation energy of anion species is as low as about 25 kJ mol−1, which is much lower than that of Li+-ion. The result means the anion intercalation reaction is essentially fast and therefore, it is suitable for the high power batteries. In addition, the activation energy is not influenced by the solvation ability in the solution and from the result, we conclude that the interfacial activation barrier will exist on the graphite electrode side, contrary to the Li+-ion case.https://www.jstage.jst.go.jp/article/electrochemistry/90/3/90_22-00003/_html/-char/enanion intercalationgraphiteinterface
spellingShingle Fumihiro SAGANE
Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
Electrochemistry
anion intercalation
graphite
interface
title Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
title_full Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
title_fullStr Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
title_full_unstemmed Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
title_short Kinetic Behavior of the Anion Intercalation/De-intercalation into the Graphite Electrode in Organic Solution
title_sort kinetic behavior of the anion intercalation de intercalation into the graphite electrode in organic solution
topic anion intercalation
graphite
interface
url https://www.jstage.jst.go.jp/article/electrochemistry/90/3/90_22-00003/_html/-char/en
work_keys_str_mv AT fumihirosagane kineticbehavioroftheanionintercalationdeintercalationintothegraphiteelectrodeinorganicsolution