STM Study of Well-Defined Graphite/Electrolyte Interface Polarized in Propylene Carbonate Solution Containing 12-Crown-4
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- INABA Minoru
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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- KAWATATE Yutaka
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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- FUNABIKI Atsushi
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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- JEONG Soon-Ki
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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- ABE Takeshi
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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- OGUMI Zempachi
- Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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Abstract
<p>Surface morphology change of highly oriented pyrolytic graphite was investigated in 1 M (M = mol dm−3) LiClO4 dissolved in propylene carbonate (PC) and PC + 0.5 M 12-crown-4 using electrochemical scanning tunneling microscopy to elucidate the mechanism of passive film formation on graphite electrode in rechargeable lithium batteries. In PC, vigorous exfoliation of graphite layers was observed after potential cycling down to 0 V vs. Li/Li+. Such exfoliation was greatly suppressed by 12-crown-4 addition. The original step structure was nearly maintained, but swellings of graphite surface appeared after potential cycling. From these results, the role of 12-crown-4 in passive film formation was discussed.</p>
Journal
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- Electrochemistry
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Electrochemistry 67 (12), 1153-1155, 1999-12-05
The Electrochemical Society of Japan
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Details 詳細情報について
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- CRID
- 1390282752370166528
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- NII Article ID
- 10004275185
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- NII Book ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL BIB ID
- 4927442
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Allowed