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Title:

Combining the Distribution of Relaxation Times from EIS and Time-Domain Data for Parameterizing Equivalent Circuit Models of Lithium-Ion Batteries

Document type:
Zeitschriftenaufsatz
Author(s):
Wildfeuer, Leo; Gieler, Philipp; Karger, Alexander
Abstract:
Equivalent circuit models (ECMs) are a widely used modeling approach for lithium-ion batteries in engineering applications. The RC elements, which display the dynamic loss processes of the cell, are usually parameterized by fitting the ECM to experimental data in either the time-domain or the frequency-domain. However, both types of data have limitations with regard to the observable time constants of electrochemical processes. This work proposes a method to combine time-domain and frequency-dom...     »
Keywords:
FTM Komponenten von Elektrofahrzeugen, FTM Elektrische Antriebssysteme
Journal title:
Batteries
Year:
2021
Journal volume:
7
Journal issue:
3
Pages contribution:
52
Covered by:
Scopus
Language:
en
Fulltext / DOI:
doi:10.3390/batteries7030052
Publisher:
MDPI AG
E-ISSN:
2313-0105
Date of publication:
02.08.2021
TUM Institution:
Lehrstuhl für Fahrzeugtechnik
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