Journal article Open Access

Modeling of All-Solid-State thin-film Li-ion Batteries: accuracy improvement

Kazemi, N.; Danilov, D.; Haverkate, L.; Dudney, N.J.; Unnikrishnan, S.; Notten, H.L.


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    "description": "<p>Thin-film Solid-State Batteries (TFSSB) is one of most promising and quickly developing fields in modern electrochemical energy storage. Modeling these devices is<br>\ninteresting from theoretical and practical point of view. This paper represents a simulation approach for TFSSB which overcome a major drawback of available<br>\nmathematical models, i.e. decline in accuracy of the models at high current rates. A one-dimensional electrochemical model, including charge transfer kinetics on the<br>\nelectrolyte-electrode interface, diffusion and migration in electrolyte as well as diffusion in intercalation electrode has been developed and the simulation results are<br>\ncompared to experimental voltage-capacity measurements. A new definition of diffusion coefficient as a function of concentration, based on the experimental<br>\nmeasurements, is used to improve the performance of the model. The simulation results fit the available experimental data at low and high discharge currents up to 5<br>\nmA cm&minus;2. The models show that the cathode diffusion constant is a prime factor limiting the rate capability for TFSSB in particular for ultrafast charging applications.</p>", 
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    "title": "Modeling of All-Solid-State thin-film Li-ion Batteries:  accuracy improvement", 
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    "keywords": [
      "All-Solid-State Battery; Thin Film; Modeling"
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    "publication_date": "2019-02-18", 
    "creators": [
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        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Kazemi, N."
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      {
        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Danilov, D."
      }, 
      {
        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Haverkate, L."
      }, 
      {
        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Dudney, N.J."
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      {
        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Unnikrishnan, S."
      }, 
      {
        "affiliation": "Forschungszentrum J\u00fclich, Fundamental Electrochemistry (IEK-9), D-52425 J\u00fclich, Germany", 
        "name": "Notten, H.L."
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