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The Role of Charge Reactions in Cyclability of Lithium–Oxygen Batteries

The Role of Charge Reactions in Cyclability of Lithium–Oxygen Batteries The significant influence of product removal upon charge on cyclability of Li–O2 batteries with carbon electrodes is demonstrated. Optimal charge cut‐off voltages lead to 32 cycles for the tetraethylene glycol dimethyl ether (TEGDME)‐based batteries, and 40 cycles for the N‐methyl‐N‐propylpiperidinium bis(trifluoromethansulfony) imide (PP13TFSI)‐based ones without degradation of the retained discharge capacity. Further extension of cycle operation would need introduction of catalysts that can avoid by‐product accumulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

The Role of Charge Reactions in Cyclability of Lithium–Oxygen Batteries

Advanced Energy Materials , Volume 3 (11) – Nov 1, 2013

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References (34)

Publisher
Wiley
Copyright
Copyright © 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201300432
Publisher site
See Article on Publisher Site

Abstract

The significant influence of product removal upon charge on cyclability of Li–O2 batteries with carbon electrodes is demonstrated. Optimal charge cut‐off voltages lead to 32 cycles for the tetraethylene glycol dimethyl ether (TEGDME)‐based batteries, and 40 cycles for the N‐methyl‐N‐propylpiperidinium bis(trifluoromethansulfony) imide (PP13TFSI)‐based ones without degradation of the retained discharge capacity. Further extension of cycle operation would need introduction of catalysts that can avoid by‐product accumulation.

Journal

Advanced Energy MaterialsWiley

Published: Nov 1, 2013

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