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Multiscale modeling and calibration framework for predicting the mechanical response of Li-ion battery cell components

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Title: Multiscale modeling and calibration framework for predicting the mechanical response of Li-ion battery cell components
Authors: Carlstedt, David, 1984, Chetry, Amit, 1998, Larsson, Carl, 1997, Purantagi, Ankeet Mohan, Gustavsson, Peter, Larsson, Fredrik, 1975, Asp, Leif, 1966
Source: Journal of Power Sources. 659
Subject Terms: Finite element analysis, Electric vehicles, Homogenization, Li-ion batteries, Model calibration
Description: The mechanical response of battery cells plays a vital role in design of electric vehicles e.g., when evaluating their crashworthiness or studying the effects of cell swelling during operation. In this paper, we present a multiscale modeling framework for predicting the mechanical response of battery cell components at different length scales. Two design optimization loops for calibrating material model parameters are established. First, the effective mechanical response of the binder-conductive additive-electrolyte material phase inside the electrodes is estimated by performing homogenization of microscale Representative Volume Elements (RVEs), while utilizing experimental data for the effective electrode layer and data for the electrode particles from literature. Secondly, the effective response of the jellyroll is estimated by creating an RVE of the electrodes-separator stack and perform homogenization, while utilizing experimental data for the individual layers.
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  Data: Multiscale modeling and calibration framework for predicting the mechanical response of Li-ion battery cell components
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  Data: <searchLink fieldCode="AR" term="%22Carlstedt%2C+David%22">Carlstedt, David</searchLink>, 1984<br /><searchLink fieldCode="AR" term="%22Chetry%2C+Amit%22">Chetry, Amit</searchLink>, 1998<br /><searchLink fieldCode="AR" term="%22Larsson%2C+Carl%22">Larsson, Carl</searchLink>, 1997<br /><searchLink fieldCode="AR" term="%22Purantagi%2C+Ankeet+Mohan%22">Purantagi, Ankeet Mohan</searchLink><br /><searchLink fieldCode="AR" term="%22Gustavsson%2C+Peter%22">Gustavsson, Peter</searchLink><br /><searchLink fieldCode="AR" term="%22Larsson%2C+Fredrik%22">Larsson, Fredrik</searchLink>, 1975<br /><searchLink fieldCode="AR" term="%22Asp%2C+Leif%22">Asp, Leif</searchLink>, 1966
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  Data: <i>Journal of Power Sources</i>. 659
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+analysis%22">Finite element analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+vehicles%22">Electric vehicles</searchLink><br /><searchLink fieldCode="DE" term="%22Homogenization%22">Homogenization</searchLink><br /><searchLink fieldCode="DE" term="%22Li-ion+batteries%22">Li-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Model+calibration%22">Model calibration</searchLink>
– Name: Abstract
  Label: Description
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  Data: The mechanical response of battery cells plays a vital role in design of electric vehicles e.g., when evaluating their crashworthiness or studying the effects of cell swelling during operation. In this paper, we present a multiscale modeling framework for predicting the mechanical response of battery cell components at different length scales. Two design optimization loops for calibrating material model parameters are established. First, the effective mechanical response of the binder-conductive additive-electrolyte material phase inside the electrodes is estimated by performing homogenization of microscale Representative Volume Elements (RVEs), while utilizing experimental data for the effective electrode layer and data for the electrode particles from literature. Secondly, the effective response of the jellyroll is estimated by creating an RVE of the electrodes-separator stack and perform homogenization, while utilizing experimental data for the individual layers.
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      – Type: doi
        Value: 10.1016/j.jpowsour.2025.238237
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      – Text: English
    Subjects:
      – SubjectFull: Finite element analysis
        Type: general
      – SubjectFull: Electric vehicles
        Type: general
      – SubjectFull: Homogenization
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      – TitleFull: Multiscale modeling and calibration framework for predicting the mechanical response of Li-ion battery cell components
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            NameFull: Carlstedt, David
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            NameFull: Asp, Leif
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              M: 01
              Type: published
              Y: 2025
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              Value: 659
          Titles:
            – TitleFull: Journal of Power Sources
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