書誌事項
- タイトル別名
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- The Improvement of the Electrochemical Stability of Room-temperature Molten Salt by Dual Anion System
- アニオン ノ フクゴウカ ニ ヨル ジョウオン ヨウユウエン ノ デンキ カガクテキ アンテイセイ ノ カイゼン
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抄録
For a wider application in batteries and electrochemical capacitors, an improvement of the electrochemical stability of imidazolium cation - based room - temperature molten salt is required. We found that a certain type of combination of anions can change the anodic stability and other properties of molten salt systems. The 1:1 mixture of 1-ethyl-3-methyl imidazolium (EMI) tetrafluoroborate and EMI bis(trifluoromethylsulphonyl)imide (TFSI) showed a similar anodic stability to that of EMITFSI, the most anodically stable single anion molten salt. This effect may originate from the difference of association of both cation and neighborhood anions. A molten salt which has BF^-_4 and TFSI^- anions has a high stability toward an anodic oxidation and provides the highest energy density double-layer capacitor in this study by enlarging the cell voltage.
収録刊行物
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- 九州大学機能物質科学研究所報告
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九州大学機能物質科学研究所報告 14 (2), 127-131, 2000-12-25
九州大学機能物質科学研究所
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詳細情報 詳細情報について
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- CRID
- 1390009224835543040
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- NII論文ID
- 110006177572
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- NII書誌ID
- AN10060378
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- ISSN
- 09143793
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- DOI
- 10.15017/7924
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- HANDLE
- 2324/7924
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- NDL書誌ID
- 5620079
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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
- IRDB
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可