Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review

Battery degradation is a fundamental concern in battery research, with the biggest challenge being to maintain performance and safety upon usage. From the microstructure of the materials to the design of the cell connectors in modules and their assembly in packs, it is impossible to achieve perfect...

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Main Authors:	David Beck, Philipp Dechent, Mark Junker, Dirk Uwe Sauer, Matthieu Dubarry
Format:	Article
Language:	English
Published:	MDPI AG 2021-06-01
Series:	Energies
Subjects:	lithium-ion cell-to-cell variation inhomogeneities electrode production cell assembly post-mortem
Online Access:	https://www.mdpi.com/1996-1073/14/11/3276

id	doaj-2d73ed199324406c8cc2b68ddf6242d0
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spelling	doaj-2d73ed199324406c8cc2b68ddf6242d02021-06-30T23:14:54ZengMDPI AGEnergies1996-10732021-06-01143276327610.3390/en14113276Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a ReviewDavid Beck0Philipp Dechent1Mark Junker2Dirk Uwe Sauer3Matthieu Dubarry4Hawaii Natural Energy Institute, University of Hawaii at Manoa, 1680 East West Road, POST109, Honolulu, HI 96815, USAInstitute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, GermanyInstitute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, GermanyInstitute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, GermanyHawaii Natural Energy Institute, University of Hawaii at Manoa, 1680 East West Road, POST109, Honolulu, HI 96815, USABattery degradation is a fundamental concern in battery research, with the biggest challenge being to maintain performance and safety upon usage. From the microstructure of the materials to the design of the cell connectors in modules and their assembly in packs, it is impossible to achieve perfect reproducibility. Small manufacturing or environmental variations will compound big repercussions on pack performance and reliability. This review covers the origins of cell-to-cell variations and inhomogeneities on a multiscale level, their impact on electrochemical performance, as well as their characterization and tracking methods, ranging from the use of large-scale equipment to in operando studies.https://www.mdpi.com/1996-1073/14/11/3276lithium-ioncell-to-cell variationinhomogeneitieselectrode productioncell assemblypost-mortem
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	David Beck Philipp Dechent Mark Junker Dirk Uwe Sauer Matthieu Dubarry
spellingShingle	David Beck Philipp Dechent Mark Junker Dirk Uwe Sauer Matthieu Dubarry Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review Energies lithium-ion cell-to-cell variation inhomogeneities electrode production cell assembly post-mortem
author_facet	David Beck Philipp Dechent Mark Junker Dirk Uwe Sauer Matthieu Dubarry
author_sort	David Beck
title	Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
title_short	Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
title_full	Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
title_fullStr	Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
title_full_unstemmed	Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
title_sort	inhomogeneities and cell-to-cell variations in lithium-ion batteries, a review
publisher	MDPI AG
series	Energies
issn	1996-1073
publishDate	2021-06-01
description	Battery degradation is a fundamental concern in battery research, with the biggest challenge being to maintain performance and safety upon usage. From the microstructure of the materials to the design of the cell connectors in modules and their assembly in packs, it is impossible to achieve perfect reproducibility. Small manufacturing or environmental variations will compound big repercussions on pack performance and reliability. This review covers the origins of cell-to-cell variations and inhomogeneities on a multiscale level, their impact on electrochemical performance, as well as their characterization and tracking methods, ranging from the use of large-scale equipment to in operando studies.
topic	lithium-ion cell-to-cell variation inhomogeneities electrode production cell assembly post-mortem
url	https://www.mdpi.com/1996-1073/14/11/3276
work_keys_str_mv	AT davidbeck inhomogeneitiesandcelltocellvariationsinlithiumionbatteriesareview AT philippdechent inhomogeneitiesandcelltocellvariationsinlithiumionbatteriesareview AT markjunker inhomogeneitiesandcelltocellvariationsinlithiumionbatteriesareview AT dirkuwesauer inhomogeneitiesandcelltocellvariationsinlithiumionbatteriesareview AT matthieudubarry inhomogeneitiesandcelltocellvariationsinlithiumionbatteriesareview
_version_	1721351757082132480

Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review

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