Role of Oxygen Mass Transport in Rechargeable Li/O2 Batteries Operating with Ionic Liquids

Role of Oxygen Mass Transport in Rechargeable Li/O2 Batteries Operating with Ionic Liquids

The use of ionic liquid (IL)-based electrolytes and porous carbonaceous cathodes is today one of the most promising strategies for the development of rechargeable Li/O2 batteries. Enhancing Li/O2 battery cyclability at high discharge rate is a key issue for automotive applications. O2 reduction at a...

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Veröffentlicht in:The journal of physical chemistry letters 2013-05, Vol.4 (9), p.1379-1382
Hauptverfasser: Monaco, Simone, Soavi, Francesca, Mastragostino, Marina
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Energy Conversion and Storage
Energy and Charge Transport
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container_title The journal of physical chemistry letters
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creator Monaco, Simone
Soavi, Francesca
Mastragostino, Marina
description The use of ionic liquid (IL)-based electrolytes and porous carbonaceous cathodes is today one of the most promising strategies for the development of rechargeable Li/O2 batteries. Enhancing Li/O2 battery cyclability at high discharge rate is a key issue for automotive applications. O2 reduction at a meso-macroporous carbon electrode in N-butyl-N-methyl pyrrolidinium bis(trifluoromethanesulfonyl)imide (PYR14TFSI):LiTFSI 9:1 is here investigated. The study demonstrates that oxygen electrode response in IL at high discharge currents is dominated by O2 mass transport in IL. A novel configuration of flow-Li/O2 battery that operates at high discharge rate is reported.
doi_str_mv 10.1021/jz4006256
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subjects Energy Conversion and Storage
Energy and Charge Transport
title Role of Oxygen Mass Transport in Rechargeable Li/O2 Batteries Operating with Ionic Liquids
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