完全 に 有機 の プロトン バッテリー
Rikard Emanuelsson1, Mia Sterby1, Maria Strømme1
1Nanotechnology and Functional Materials, Department of Engineering Sciences, The Ångström Laboratory, Uppsala University , Box 534, SE-751 21 Uppsala, Sweden.
Journal of the American Chemical Society
|March 16, 2017
まとめ
この研究では,機能化された導電ポリマーを用いた 完全有機プロトン電池を導入し,金属や導電性添加物の必要性を排除します. この画期的な発見は サイクル安定性と逆転性を向上した 持続可能なプラスチック製の電池の道を開きます
科学分野:
- 電気化学
- 材料科学
- オーガニック電子
背景:
- オーガニック充電電池は 未来の技術ですが 初期の設計では 導電性添加物と金属イオン電解質が必要でした
- 持続可能なエネルギー貯蔵には,金属や添加物のない有機電池の開発が不可欠です.
研究 の 目的:
- プロトン電池の概念を証明する
- 機能化された導電ポリマーを電極材料として使用することを調査する.
- 導電性添加物や金属ベースの電解質の必要性を排除する.
主な方法:
- 導電性ポリ ((3,4-エチレンダイオキシチオフェン) (PEDOT) を利用し,アントラキノン (PEDOT-AQ) とベンゾンキノン (PEDOT-BQ) を負の電極と正の電極として機能させた.
- 陽子ドナーと受容体スラージの電解質を使用した.
- 強い陽子ドナーを使って PEDOT伝導性を調整した.
主要な成果:
- PEDOT-AQで103mAhg−1とPEDOT-BQで120mAhg−1の特定の容量を達成した.
- 平均0.5Vの電位を示した.
- PEDOT-AQの優れた可逆性 (>1000サイクル) を示し,PEDOT-BQをサイクル安定性の鍵として特定した.
結論:
- 導電性添加物や金属を使わずに 完全有機プロトン電池は実現可能です
- 機能化されたPEDOT材料は,有機電池の有望な性能を提供します.
- プラスチックの電池の開発に伴う課題と機会を 更に研究することで解決できるでしょう
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