書誌事項
- タイトル別名
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- A Study on Surface Structures of Negative Electrodes for Sodium-Ion Batteries
- ナトリウムイオン デンチ フキョク ト ヒョウメン カガク
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抄録
Electrode performance of hard-carbon electrodes in non-aqueous Na cells is examined with or without fluoroethylene carbonate (FEC) as an electrolyte additive. It is found that electrode performance is highly improved by using FEC as additives. To study the mechanisms for the improvement of electrode performance, solid electrolyte interphase (SEI) of hard-carbon electrodes is investigated by X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectroscopy (TOF-SIMS). Surface analysis reveals that fluorine-containing SEI is formed at the hard carbon surface, which suppresses the decomposition of electrolyte solution in Na cells. From these results, the role and importance of SEI for the development of Na-ion batteries are also discussed.
収録刊行物
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- 表面科学
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表面科学 34 (6), 303-308, 2013
公益社団法人 日本表面科学会
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詳細情報
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- CRID
- 1390001206459538560
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- NII論文ID
- 10031177751
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- NII書誌ID
- AN00334149
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- ISSN
- 18814743
- 03885321
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- NDL書誌ID
- 024691874
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可