Battery Impedance Modeling and Comprehensive Comparisons of State-Of-The-Art Cylindrical 18650 Battery Cells considering Cells' Price, Impedance, Specific Energy and C-Rate
Paper i proceeding, 2021

Within different areas of research and development of battery cells and systems, it is necessary to include electrical models of battery cells in simulations to reflect batteries' behavior. Linear or nonlinear electrical equivalent circuit models are commonly used for this purpose, such as the Warburg impedance and the three RC-pair model. In this paper, various protected and unprotected commercially available cylindrical (18650), state-of-the-art lithium-ion battery cells are considered. Their impedance parameters, according to the aforementioned models, are estimated using electrochemical impedance spectroscopies. Furthermore, the selected battery cells are comprehensively compared in terms of their price, impedance, specific energy and C-rate. Therefore, this paper provides a brief but comprehensive battery parameter library, which should assist battery system designers or power electronic engineers to conduct battery simulations and, thus, to properly choose battery cells with respect to application specific requirements.

Parameter extraction

Lithium batteries

Modeling

Electrochemical impedance spectroscopy

Impedance matching

Parameter estimation

Batteries

Författare

Julian Estaller

Universität Der Bundeswehr München

Anton Kersten

Chalmers, Elektroteknik, Elkraftteknik, Elmaskiner och kraftelektronik

Manuel Kuder

Universität Der Bundeswehr München

Ali Mashayekh

Universität Der Bundeswehr München

Johannes Buberger

Universität Der Bundeswehr München

Torbjörn Thiringer

Chalmers, Elektroteknik, Elkraftteknik, Elmaskiner och kraftelektronik

Richard Eckerle

Universität Der Bundeswehr München

Thomas Weyh

Universität Der Bundeswehr München

21st IEEE International Conference on Environment and Electrical Engineering and 2021 5th IEEE Industrial and Commercial Power System Europe, EEEIC / I and CPS Europe 2021 - Proceedings


9781665436120 (ISBN)

21st IEEE International Conference on Environment and Electrical Engineering and 2021 5th IEEE Industrial and Commercial Power System Europe, EEEIC / I and CPS Europe 2021
Bari, Italy,

Ämneskategorier

Energiteknik

Annan elektroteknik och elektronik

DOI

10.1109/EEEIC/ICPSEurope51590.2021.9584562

Mer information

Senast uppdaterat

2022-03-28