LAPSE:2023.32726
Published Article
LAPSE:2023.32726
Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review
April 20, 2023
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.
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Keywords
aging, capacity distribution, cell assembly, cell-to-cell variation, electrical testing, electrode production, inhomogeneities, lithium-ion, material characterization, post-mortem
Subject
Suggested Citation
Beck D, Dechent P, Junker M, Sauer DU, Dubarry M. Inhomogeneities and Cell-to-Cell Variations in Lithium-Ion Batteries, a Review. (2023). LAPSE:2023.32726
Author Affiliations
Beck D: Hawaii Natural Energy Institute, University of Hawaii at Manoa, 1680 East West Road, POST109, Honolulu, HI 96815, USA [ORCID]
Dechent P: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany [ORCID]
Junker M: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany
Sauer DU: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany; Forschungszentrum Juelich GmbH, IEK-12, Helmholtz-Institut Münster, co ISEA [ORCID]
Dubarry M: Hawaii Natural Energy Institute, University of Hawaii at Manoa, 1680 East West Road, POST109, Honolulu, HI 96815, USA [ORCID]
Dechent P: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany [ORCID]
Junker M: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany
Sauer DU: Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, 52066 Aachen, Germany; Juelich Aachen Research Alliance, JARA-Energy, 52062 Aachen, Germany; Forschungszentrum Juelich GmbH, IEK-12, Helmholtz-Institut Münster, co ISEA [ORCID]
Dubarry M: Hawaii Natural Energy Institute, University of Hawaii at Manoa, 1680 East West Road, POST109, Honolulu, HI 96815, USA [ORCID]
Journal Name
Energies
Volume
14
Issue
11
First Page
3276
Year
2021
Publication Date
2021-06-03
Published Version
ISSN
1996-1073
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Original Submission
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PII: en14113276, Publication Type: Review
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LAPSE:2023.32726
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doi:10.3390/en14113276
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Apr 20, 2023
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