Extensive charge-discharge cycling of lithium metal electrodes achieved using ionic liquid electrolytes

Basile, Andrew, Hollenkamp, Anthony F., Bhatt, Anand I., & O'Mullane, Anthony P. (2013) Extensive charge-discharge cycling of lithium metal electrodes achieved using ionic liquid electrolytes. Electrochemistry Communications, 27, pp. 69-72.

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The effect of extended cycling on lithium metal electrodes has been investigated in an ionic liquid electrolyte. Cycling studies were conducted on lithium metal electrodes in a symmetrical Li|electrolyte|Li coin cell configuration for 5000 charge–discharge cycles at a current density of 0.1 mA cm− 2. The voltage–time plots show evidence of some unstable behavior which is attributed to surface reorganization. No evidence for lithium dendrite induced short circuiting was observed. SEM imaging showed morphology changes had occurred but no evidence of needle-like dendrite based growth was found after 5000 charge–discharge cycles. This study suggests that ionic liquid electrolytes can enable next generation battery technologies such as rechargeable lithium-air, in which a safe, reversible lithium electrode is a crucial component.

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34 citations in Scopus
35 citations in Web of Science®
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ID Code: 64329
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/j.elecom.2012.10.030
ISSN: 1388-2481
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 19 Nov 2013 00:44
Last Modified: 23 Jun 2017 11:45

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