A Synergistic System for Lithium-Oxygen Batteries in Humid Atmosphere Integrating a Composite Cathode and a Hydrophobic Ionic Liquid-Based Electrolyte

Shichao Wu; Jing Tang; Fujun Li; Xizheng Liu; Yusuke Yamauchi; Masayoshi Ishida; Haoshen Zhou

doi:10.1002/adfm.201505420

A Synergistic System for Lithium-Oxygen Batteries in Humid Atmosphere Integrating a Composite Cathode and a Hydrophobic Ionic Liquid-Based Electrolyte

Shichao Wu, Jing Tang, Fujun Li, Xizheng Liu, Yusuke Yamauchi, Masayoshi Ishida, Haoshen Zhou

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

Moisture in air is a major obstacle for realizing practical lithium-air batteries. Here, we integrate a hydrophobic ionic liquid (IL)-based electrolyte and a cathode composed of electrolytic manganese dioxide and ruthenium oxide supported on Super P (carbon black) to construct a promising system for Li-O₂ battery that can be sustained in humid atmosphere (RH: 51%). A high discharge potential of 2.94 V and low charge potential of 3.34 V for 218 cycles are achieved. The outstanding performance is attributed to the synergistic effect of the unique hydrophobic IL-based electrolyte and the composite cathode. This is the first time that such excellent performance is achieved in humid O₂ atmosphere and these results are believed to facilitate the realization of practical lithium-air batteries.

Original language	English
Pages (from-to)	3291-3298
Number of pages	8
Journal	Advanced Functional Materials
Volume	26
Issue number	19
DOIs	https://doi.org/10.1002/adfm.201505420
State	Published - 17 May 2016
Externally published	Yes

Keywords

cathodes
electrolytes
hydrophobic
lithium-oxygen batteries
overpotential

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10.1002/adfm.201505420

Cite this

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title = "A Synergistic System for Lithium-Oxygen Batteries in Humid Atmosphere Integrating a Composite Cathode and a Hydrophobic Ionic Liquid-Based Electrolyte",

abstract = "Moisture in air is a major obstacle for realizing practical lithium-air batteries. Here, we integrate a hydrophobic ionic liquid (IL)-based electrolyte and a cathode composed of electrolytic manganese dioxide and ruthenium oxide supported on Super P (carbon black) to construct a promising system for Li-O2 battery that can be sustained in humid atmosphere (RH: 51\%). A high discharge potential of 2.94 V and low charge potential of 3.34 V for 218 cycles are achieved. The outstanding performance is attributed to the synergistic effect of the unique hydrophobic IL-based electrolyte and the composite cathode. This is the first time that such excellent performance is achieved in humid O2 atmosphere and these results are believed to facilitate the realization of practical lithium-air batteries.",

keywords = "cathodes, electrolytes, hydrophobic, lithium-oxygen batteries, overpotential",

author = "Shichao Wu and Jing Tang and Fujun Li and Xizheng Liu and Yusuke Yamauchi and Masayoshi Ishida and Haoshen Zhou",

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doi = "10.1002/adfm.201505420",

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T1 - A Synergistic System for Lithium-Oxygen Batteries in Humid Atmosphere Integrating a Composite Cathode and a Hydrophobic Ionic Liquid-Based Electrolyte

AU - Wu, Shichao

AU - Tang, Jing

AU - Li, Fujun

AU - Liu, Xizheng

AU - Yamauchi, Yusuke

AU - Ishida, Masayoshi

AU - Zhou, Haoshen

PY - 2016/5/17

Y1 - 2016/5/17

N2 - Moisture in air is a major obstacle for realizing practical lithium-air batteries. Here, we integrate a hydrophobic ionic liquid (IL)-based electrolyte and a cathode composed of electrolytic manganese dioxide and ruthenium oxide supported on Super P (carbon black) to construct a promising system for Li-O2 battery that can be sustained in humid atmosphere (RH: 51%). A high discharge potential of 2.94 V and low charge potential of 3.34 V for 218 cycles are achieved. The outstanding performance is attributed to the synergistic effect of the unique hydrophobic IL-based electrolyte and the composite cathode. This is the first time that such excellent performance is achieved in humid O2 atmosphere and these results are believed to facilitate the realization of practical lithium-air batteries.

AB - Moisture in air is a major obstacle for realizing practical lithium-air batteries. Here, we integrate a hydrophobic ionic liquid (IL)-based electrolyte and a cathode composed of electrolytic manganese dioxide and ruthenium oxide supported on Super P (carbon black) to construct a promising system for Li-O2 battery that can be sustained in humid atmosphere (RH: 51%). A high discharge potential of 2.94 V and low charge potential of 3.34 V for 218 cycles are achieved. The outstanding performance is attributed to the synergistic effect of the unique hydrophobic IL-based electrolyte and the composite cathode. This is the first time that such excellent performance is achieved in humid O2 atmosphere and these results are believed to facilitate the realization of practical lithium-air batteries.

KW - cathodes

KW - electrolytes

KW - hydrophobic

KW - lithium-oxygen batteries

KW - overpotential

UR - https://www.scopus.com/pages/publications/84977850189

U2 - 10.1002/adfm.201505420

DO - 10.1002/adfm.201505420

M3 - 文章

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ER -

A Synergistic System for Lithium-Oxygen Batteries in Humid Atmosphere Integrating a Composite Cathode and a Hydrophobic Ionic Liquid-Based Electrolyte

Abstract

Keywords

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