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Ultra-fast cycling of nanoscale thin-film LiCoO2 electrodes in aqueous electrolytes
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Accepted Version
Date
2018-08-03
Authors
Clancy, Tomás M.
Rohan, James F.
Journal Title
Journal ISSN
Volume Title
Publisher
John Wiley & Sons, Inc.
Published Version
Abstract
Additive‐free nanoscale LiCoO2 thin‐films deposited on Si substrates using DC sputtering show exceptional electrochemical performance due to the unique kinetics of the nanoscale thin‐film in aqueous environment. At extremely high scan rates and galvanostatic current densities of up to 100 mV s−1 and 200 C respectively, a capacity retention equivalent to 97 mAh g−1 (4.8 μAh cm−2, 48.3 μAh cm−2 μm−1) is obtained. A significant contribution of non‐diffusion controlled kinetics in a LiCoO2 electrode is shown.
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Keywords
Aqueous electrolyte , Cathode , Intercalations , LiCoO2 , Materials science
Citation
Clancy, T. M. and Rohan, J. F. (2018) 'Ultra-fast cycling of nanoscale thin-film LiCoO2 electrodes in aqueous electrolytes', ChemElectroChem. doi: 10.1002/celc.201800822
Copyright
© 2018, John Wiley & Sons Inc. This is the peer reviewed version of the following article: Clancy, T. M. and Rohan, J. F. (2018) 'Ultra-fast cycling of nanoscale thin-film LiCoO2 electrodes in aqueous electrolytes', ChemElectroChem. doi: 10.1002/celc.201800822, which has been published in final form at https://doi.org/10.1002/celc.201800822. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.