Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface
The performance of the graphite anode of lithium-ion batteries is greatly affected by the solid electrolyte interphase (SEI) generated at the first charge. However, there are few studies on the kinetics of the lithium-ion intercalation/de-intercalation reaction in graphite to investigate the effect...
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The Electrochemical Society of Japan
2020-09-01
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doaj-f48bb72dfe2d48de9ab0c79bcb625d0d2021-09-02T08:46:40ZengThe Electrochemical Society of JapanElectrochemistry2186-24512020-09-0188536536810.5796/electrochemistry.20-64048electrochemistryEffect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite InterfaceAkane INOO0Tomokazu FUKUTSUKA1Yuto MIYAHARA2Yasuyuki KONDO3Yuko YOKOYAMA4Kohei MIYAZAKI5Takeshi ABE6Graduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Nagoya UniversityGraduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Kyoto UniversityThe performance of the graphite anode of lithium-ion batteries is greatly affected by the solid electrolyte interphase (SEI) generated at the first charge. However, there are few studies on the kinetics of the lithium-ion intercalation/de-intercalation reaction in graphite to investigate the effect of SEI. In this study, the correlation between the interfacial lithium-ion transfer resistance (Rct) and the double layer capacitance (Cdl) of graphite composite electrodes coated with various SEIs was investigated. It was found that the value of 1/RctCdl was different for each SEI, that is, the frequency (or rate) of intercalation and de-intercalation of lithium ions into graphite was different for each SEI. The activation energy of Rct was almost the same for all the electrolyte solutions. These results indicate that the pre-exponential factor of the Arrhenius equation governing the rate of interfacial ion transfer in a practical graphite anode is dependent on the nature of SEI.https://www.jstage.jst.go.jp/article/electrochemistry/88/5/88_20-64048/_pdf/-char/enlithium-ion transfersolid electrolyte interphasegraphite anodeactivation energy |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Akane INOO Tomokazu FUKUTSUKA Yuto MIYAHARA Yasuyuki KONDO Yuko YOKOYAMA Kohei MIYAZAKI Takeshi ABE |
spellingShingle |
Akane INOO Tomokazu FUKUTSUKA Yuto MIYAHARA Yasuyuki KONDO Yuko YOKOYAMA Kohei MIYAZAKI Takeshi ABE Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface Electrochemistry lithium-ion transfer solid electrolyte interphase graphite anode activation energy |
author_facet |
Akane INOO Tomokazu FUKUTSUKA Yuto MIYAHARA Yasuyuki KONDO Yuko YOKOYAMA Kohei MIYAZAKI Takeshi ABE |
author_sort |
Akane INOO |
title |
Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface |
title_short |
Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface |
title_full |
Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface |
title_fullStr |
Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface |
title_full_unstemmed |
Effect of Electrolyte Additives on Kinetic Parameters of Lithium-ion Transfer Reactions at Electrolyte/Graphite Interface |
title_sort |
effect of electrolyte additives on kinetic parameters of lithium-ion transfer reactions at electrolyte/graphite interface |
publisher |
The Electrochemical Society of Japan |
series |
Electrochemistry |
issn |
2186-2451 |
publishDate |
2020-09-01 |
description |
The performance of the graphite anode of lithium-ion batteries is greatly affected by the solid electrolyte interphase (SEI) generated at the first charge. However, there are few studies on the kinetics of the lithium-ion intercalation/de-intercalation reaction in graphite to investigate the effect of SEI. In this study, the correlation between the interfacial lithium-ion transfer resistance (Rct) and the double layer capacitance (Cdl) of graphite composite electrodes coated with various SEIs was investigated. It was found that the value of 1/RctCdl was different for each SEI, that is, the frequency (or rate) of intercalation and de-intercalation of lithium ions into graphite was different for each SEI. The activation energy of Rct was almost the same for all the electrolyte solutions. These results indicate that the pre-exponential factor of the Arrhenius equation governing the rate of interfacial ion transfer in a practical graphite anode is dependent on the nature of SEI. |
topic |
lithium-ion transfer solid electrolyte interphase graphite anode activation energy |
url |
https://www.jstage.jst.go.jp/article/electrochemistry/88/5/88_20-64048/_pdf/-char/en |
work_keys_str_mv |
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1721177582597046272 |