Reconversion Reaction of LiF/Fe Composite Thin Film Cathodes for Lithium-Ion Battery
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- HORI Hironobu
- Institute for Materials Chemistry and Engineering, Kyushu University
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- OKADA Shigeto
- Institute for Materials Chemistry and Engineering, Kyushu University
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The reconversion reaction of lithium fluoride (LiF)/iron (Fe) nanocomposite thin film cathodes prepared with the co-deposition method was investigated at room temperature. The LiF:Fe in molar ratio of 1:1 composite thin film was able to be discharged with large capacity of 300 mAh g−1 after the reconversion reaction on the first charge at 25°C. After the 2nd cycle, it showed relatively stable reversible capacity more than 200 mAh g−1. The discharge profile with 2 V plateau was similar to that of ferrous fluoride (FeF2), and the trace of FeF2 was detected in the fully-charged LiF/Fe nanocomposite thin film by X-ray photoelectron spectroscopy (XPS). These results suggest that the reconversion reaction from LiF/Fe to FeF2 proceeded successfully on the first charge as we expected.
収録刊行物
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- Electrochemistry
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Electrochemistry 83 (10), 909-913, 2015
公益社団法人 電気化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206498120064
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- NII論文ID
- 130005100782
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL書誌ID
- 026770541
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用可