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Dynamics of solid-electrolyte interphase formation on silicon electrodes revealed by combinatorial electrochemical screening
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Martín-Yerga, Daniel, Milan, David, Xu, Xiangdong, Fernández-Vidal, Julia, Whalley, Laura, Cowan, Alexander J., Hardwick, Laurence J. and Unwin, Patrick R. (2022) Dynamics of solid-electrolyte interphase formation on silicon electrodes revealed by combinatorial electrochemical screening. Angewandte Chemie International Edition, 61 (34). e202207184. doi:10.1002/anie.202207184 ISSN 1521-3773 .
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Official URL: https://doi.org/10.1002/anie.202207184
Abstract
Revealing how formation protocols influence the properties of the solid-electrolyte interphase (SEI) on Si electrodes is key to developing the next generation of Li-ion batteries. SEI understanding is, however, limited by the low-throughput nature of conventional characterisation techniques. Herein, correlative scanning electrochemical cell microscopy (SECCM) and shell-isolated nanoparticles for enhanced Raman spectroscopy (SHINERS) are used for combinatorial screening of the SEI formation under a broad experimental space (20 sets of different conditions with several repeats). This novel approach reveals the heterogeneous nature and dynamics of the SEI electrochemical properties and chemical composition on Si electrodes, which evolve in a characteristic manner as a function of cycle number. Correlative SECCM/SHINERS has the potential to screen thousands of candidate experiments on a variety of battery materials to accelerate the optimization of SEI formation methods, a key bottleneck in battery manufacturing.
Item Type: | Journal Article | ||||||||||||||||||||||||
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Subjects: | Q Science > QD Chemistry Q Science > QH Natural history T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Electrochemistry, Lithium ion batteries , Scanning probe microscopy, Silicon, Electrolytes -- Conductivity, Electrodes | ||||||||||||||||||||||||
Journal or Publication Title: | Angewandte Chemie International Edition | ||||||||||||||||||||||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||||||||||||||||||||||
ISSN: | 1521-3773 | ||||||||||||||||||||||||
Official Date: | 22 August 2022 | ||||||||||||||||||||||||
Dates: |
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Volume: | 61 | ||||||||||||||||||||||||
Number: | 34 | ||||||||||||||||||||||||
Article Number: | e202207184 | ||||||||||||||||||||||||
DOI: | 10.1002/anie.202207184 | ||||||||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||||||||
Copyright Holders: | © 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH | ||||||||||||||||||||||||
Date of first compliant deposit: | 14 July 2022 | ||||||||||||||||||||||||
Date of first compliant Open Access: | 15 July 2022 | ||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
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