Crossref journal-article
CSIRO Publishing
Australian Journal of Chemistry (67)
Abstract

The effect of storage time on the cyclability of lithium electrodes in an ionic liquid electrolyte, namely 0.5 m LiBF4 in N-methyl-N-propyl pyrrolidinium bis(fluorosulfonyl)imide, [C3mpyr+][FSI–], was investigated. A chemical interaction was observed which is time dependent and results in a morphology change of the Li surface due to build up of passivation products over a 12‐day period. The formation of this layer significantly impacts on the Li electrode resistance before cycling and the charging/discharging process for symmetrical Li|0.5 m LiBF4 in [C3mpyr+][FSI–]|Li coin cells. Indeed it was found that introducing a rest period between cycling, and thereby allowing the chemical interaction between the Li electrode and electrolyte to take place, also impacted on the charging/discharging process. For all Li surface treatments the electrode resistance decreased after cycling and was due to significant structural rearrangement of the surface layer. These results suggest that careful electrode pretreatment in a real battery system will be required before operation.

Bibliography

Basile, A., Bhatt, A. I., & O’Mullane, A. P. (2012). A Combined Scanning Electron Micrograph and Electrochemical Study of the Effect of Chemical Interaction on the Cyclability of Lithium Electrodes in an Ionic Liquid Electrolyte. Australian Journal of Chemistry, 65(11), 1534.

Authors 3
  1. Andrew Basile (first)
  2. Anand I. Bhatt (additional)
  3. Anthony P. O'Mullane (additional)
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Dates
Type When
Created 12 years, 10 months ago (Oct. 23, 2012, 6:45 p.m.)
Deposited 4 years, 5 months ago (March 26, 2021, 12:49 a.m.)
Indexed 1 year, 11 months ago (Sept. 10, 2023, 4:28 a.m.)
Issued 13 years, 7 months ago (Jan. 1, 2012)
Published 13 years, 7 months ago (Jan. 1, 2012)
Published Print 13 years, 7 months ago (Jan. 1, 2012)
Funders 0

None

@article{Basile_2012, title={A Combined Scanning Electron Micrograph and Electrochemical Study of the Effect of Chemical Interaction on the Cyclability of Lithium Electrodes in an Ionic Liquid Electrolyte}, volume={65}, ISSN={0004-9425}, url={http://dx.doi.org/10.1071/ch12334}, DOI={10.1071/ch12334}, number={11}, journal={Australian Journal of Chemistry}, publisher={CSIRO Publishing}, author={Basile, Andrew and Bhatt, Anand I. and O’Mullane, Anthony P.}, year={2012}, pages={1534} }