A Rechargeable Al/S Battery with an Ionic‐Liquid Electrolyte
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- Tao Gao
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Xiaogang Li
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Xiwen Wang
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Junkai Hu
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20740 USA
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- Fudong Han
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Xiulin Fan
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Liumin Suo
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
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- Alex J Pearse
- Department of Material Science and Engineering University of Maryland College Park MD 20740 USA
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- Sang Bok Lee
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20740 USA
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- Gary W. Rubloff
- Department of Material Science and Engineering University of Maryland College Park MD 20740 USA
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- Karen J Gaskell
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20740 USA
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- Malachi Noked
- Department of Material Science and Engineering University of Maryland College Park MD 20740 USA
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- Chunsheng Wang
- Department of Chemical and Bimolecular Engineering University of Maryland College Park MD 20740 USA
書誌事項
- 公開日
- 2016-07-15
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#am
- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1002/anie.201603531
- 公開者
- Wiley
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説明
<jats:title>Abstract</jats:title><jats:p>Aluminum metal is a promising anode material for next generation rechargeable batteries owing to its abundance, potentially dendrite‐free deposition, and high capacity. The rechargeable aluminum/sulfur (Al/S) battery is of great interest owing to its high energy density (1340 Wh kg<jats:sup>−1</jats:sup>) and low cost. However, Al/S chemistry suffers poor reversibility owing to the difficulty of oxidizing AlS<jats:sub><jats:italic>x</jats:italic></jats:sub>. Herein, we demonstrate the first reversible Al/S battery in ionic‐liquid electrolyte with an activated carbon cloth/sulfur composite cathode. Electrochemical, spectroscopic, and microscopic results suggest that sulfur undergoes a solid‐state conversion reaction in the electrolyte. Kinetics analysis identifies that the slow solid‐state sulfur conversion reaction causes large voltage hysteresis and limits the energy efficiency of the system.</jats:p>
収録刊行物
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- Angewandte Chemie International Edition
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Angewandte Chemie International Edition 55 (34), 9898-9901, 2016-07-15
Wiley
