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Correlative electrochemical microscopy of Li-Ion (De)intercalation at a series of individual LiMn2 O4 particles

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Tao, Binglin, Yule, Lewis C., Daviddi, Enrico, Bentley, Cameron Luke and Unwin, Patrick R. (2019) Correlative electrochemical microscopy of Li-Ion (De)intercalation at a series of individual LiMn2 O4 particles. Angewandte Chemie International Edition, 58 (14). pp. 4606-4611. doi:10.1002/anie.201814505 ISSN 1433-7851.

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Official URL: https://doi.org/10.1002/anie.201814505

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Abstract

The redox activity (Li‐ion intercalation/deintercalation) of a series of individual LiMn2O4 particles of known geometry and (nano)structure, within an array, is determined using a correlative electrochemical microscopy strategy. Cyclic voltammetry (current–voltage curve, I–E) and galvanostatic charge/discharge (voltage–time curve, E–t) are applied at the single particle level, using scanning electrochemical cell microscopy (SECCM), together with co‐location scanning electron microscopy that enables the corresponding particle size, morphology, crystallinity, and other factors to be visualized. This study identifies a wide spectrum of activity of nominally similar particles and highlights how subtle changes in particle form can greatly impact electrochemical properties. SECCM is well‐suited for assessing single particles and constitutes a combinatorial method that will enable the rational design and optimization of battery electrode materials.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Lithium ion batteries, Electrochemistry, Industrial
Journal or Publication Title: Angewandte Chemie International Edition
Publisher: Wiley
ISSN: 1433-7851
Official Date: 26 March 2019
Dates:
DateEvent
26 March 2019Published
21 February 2019Available
5 February 2019Accepted
Volume: 58
Number: 14
Page Range: pp. 4606-4611
DOI: 10.1002/anie.201814505
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): “This document is the Accepted Manuscript version of a Published Work that appeared in final form in Angewandte Chemie International Edition, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].”
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 25 March 2019
Date of first compliant Open Access: 31 July 2019
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDUniversity of Warwickhttp://dx.doi.org/10.13039/501100000741
702048 NEIL H2020 European Research Councilhttp://dx.doi.org/10.13039/100010663
UNSPECIFIEDRamsay Memorial Fellowships Trust, University College Londonhttp://dx.doi.org/10.13039/501100000685
UNSPECIFIED[RS] Royal Societyhttp://dx.doi.org/10.13039/501100000288
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