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Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy

J.S. Terreblanche, D.L. Thompson, Iain Aldous, J. Hartley, A.P. Abbott, K.S. Ryder

The Journal of Physical Chemistry C, Volume: 124, Issue: 27, Pages: 14622 - 14631

Swansea University Author: Iain Aldous

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DOI (Published version): 10.1021/acs.jpcc.0c02713

Abstract

The integration of lithium-ion batteries (LIB) into transportation through the implementation of hybrid and electric vehicles is driving fundamental research into improving their performance and lifetime. The rapid production of new electric vehicles by several popular brands also raises the questio...

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Published in: The Journal of Physical Chemistry C
ISSN: 1932-7447 1932-7455
Published: American Chemical Society (ACS) 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54498
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first_indexed 2020-06-17T19:09:03Z
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spelling 2020-09-30T16:48:14.4767953 v2 54498 2020-06-17 Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy 87867d675f1cd66804b1c6c2626cac24 Iain Aldous Iain Aldous true false 2020-06-17 CHEG The integration of lithium-ion batteries (LIB) into transportation through the implementation of hybrid and electric vehicles is driving fundamental research into improving their performance and lifetime. The rapid production of new electric vehicles by several popular brands also raises the question of how much material will eventually need to be reused or recycled. With a combination of an enhanced fundamental analysis of commercially utilized electrodes with fundamental chemical knowledge, answers to the scientific material challenges of lithium ion batteries will aid in not only the implementation of battery powered electrical transport but also the development of end of life recycling processes. Here, using quantitative nanomechanical and conductive atomic force microscopy, which are nondestructive and rapid techniques, the different components of the composite electrode are unveiled at the nanoscale, identifying the mechanism by which the active material binds together and how the conductive network is formed. Changes in the polymer binder network are observed in an aged cell and are shown to affect the mechanical integrity of the electrode structure, which can lead to the failure of the electrode. The links between nanomechanical and macro-mechanical properties were evaluated using a scratch test and optical microscopy to show that the mechanical integrity of the aged cell was weaker than that of the untouched cell. Journal Article The Journal of Physical Chemistry C 124 27 14622 14631 American Chemical Society (ACS) 1932-7447 1932-7455 9 7 2020 2020-07-09 10.1021/acs.jpcc.0c02713 https://leicester.figshare.com/articles/journal_contribution/Experimental_Visualization_of_Commercial_Lithium_Ion_Battery_Cathodes_Distinguishing_Between_the_Microstructure_Components_Using_Atomic_Force_Microscopy/12833855 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2020-09-30T16:48:14.4767953 2020-06-17T14:19:53.7469032 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering J.S. Terreblanche 1 D.L. Thompson 2 Iain Aldous 3 J. Hartley 4 A.P. Abbott 5 K.S. Ryder 6
title Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
spellingShingle Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
Iain Aldous
title_short Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
title_full Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
title_fullStr Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
title_full_unstemmed Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
title_sort Experimental Visualization of Commercial Lithium Ion Battery Cathodes: Distinguishing Between the Microstructure Components Using Atomic Force Microscopy
author_id_str_mv 87867d675f1cd66804b1c6c2626cac24
author_id_fullname_str_mv 87867d675f1cd66804b1c6c2626cac24_***_Iain Aldous
author Iain Aldous
author2 J.S. Terreblanche
D.L. Thompson
Iain Aldous
J. Hartley
A.P. Abbott
K.S. Ryder
format Journal article
container_title The Journal of Physical Chemistry C
container_volume 124
container_issue 27
container_start_page 14622
publishDate 2020
institution Swansea University
issn 1932-7447
1932-7455
doi_str_mv 10.1021/acs.jpcc.0c02713
publisher American Chemical Society (ACS)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
url https://leicester.figshare.com/articles/journal_contribution/Experimental_Visualization_of_Commercial_Lithium_Ion_Battery_Cathodes_Distinguishing_Between_the_Microstructure_Components_Using_Atomic_Force_Microscopy/12833855
document_store_str 0
active_str 0
description The integration of lithium-ion batteries (LIB) into transportation through the implementation of hybrid and electric vehicles is driving fundamental research into improving their performance and lifetime. The rapid production of new electric vehicles by several popular brands also raises the question of how much material will eventually need to be reused or recycled. With a combination of an enhanced fundamental analysis of commercially utilized electrodes with fundamental chemical knowledge, answers to the scientific material challenges of lithium ion batteries will aid in not only the implementation of battery powered electrical transport but also the development of end of life recycling processes. Here, using quantitative nanomechanical and conductive atomic force microscopy, which are nondestructive and rapid techniques, the different components of the composite electrode are unveiled at the nanoscale, identifying the mechanism by which the active material binds together and how the conductive network is formed. Changes in the polymer binder network are observed in an aged cell and are shown to affect the mechanical integrity of the electrode structure, which can lead to the failure of the electrode. The links between nanomechanical and macro-mechanical properties were evaluated using a scratch test and optical microscopy to show that the mechanical integrity of the aged cell was weaker than that of the untouched cell.
published_date 2020-07-09T04:08:04Z
_version_ 1763753574614958080
score 11.035349

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