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

Basile, Andrew, Hollenkamp, Anthony F., Bhatt, Anand I. and O'Mullane, Anthony P. 2013, Extensive charge-discharge cycling of lithium metal electrodes achieved using ionic liquid electrolytes, Electrochemistry communications, vol. 27, pp. 69-72, doi: 10.1016/j.elecom.2012.10.030.

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Title Extensive charge-discharge cycling of lithium metal electrodes achieved using ionic liquid electrolytes
Author(s) Basile, AndrewORCID iD for Basile, Andrew orcid.org/0000-0001-5552-9591
Hollenkamp, Anthony F.
Bhatt, Anand I.
O'Mullane, Anthony P.
Journal name Electrochemistry communications
Volume number 27
Start page 69
End page 72
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2013-02
ISSN 1388-2481
Keyword(s) li metal batteries
ionic liquids
electrodeposition
cyclic voltammetry
Summary 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.
Language eng
DOI 10.1016/j.elecom.2012.10.030
Field of Research 030604 Electrochemistry
030299 Inorganic Chemistry not elsewhere classified
03 Chemical Sciences
09 Engineering
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086661

Document type: Journal Article
Collection: Institute for Frontier Materials
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