Using resistor network models to predict the transport properties of solid-state battery composites

Abstract Solid-state batteries use composites of solid ion conductors and active materials as electrode materials. The effective transport of charge carriers and heat thereby strongly determines the overall solid-state battery performance and safety. However, the phase space for optimization of the...

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Main Authors: Lukas Ketter, Niklas Greb, Tim Bernges, Wolfgang G. Zeier
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-56514-5
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author Lukas Ketter
Niklas Greb
Tim Bernges
Wolfgang G. Zeier
author_facet Lukas Ketter
Niklas Greb
Tim Bernges
Wolfgang G. Zeier
author_sort Lukas Ketter
collection DOAJ
description Abstract Solid-state batteries use composites of solid ion conductors and active materials as electrode materials. The effective transport of charge carriers and heat thereby strongly determines the overall solid-state battery performance and safety. However, the phase space for optimization of the composition of solid electrolyte, active material, additive is too large to cover experimentally. In this work, a resistor network model is presented that successfully describes the transport phenomena in solid-state battery composites, when benchmarked against experimental data of the electronic, ionic, and thermal conductivity of LiNi0.83Co0.11Mn0.06O2-Li6PS5Cl positive electrode composites. To highlight the broadness of the approach, literature data are examined using the proposed model. As the model is easily accessible and expandable, without the need for high computing power, it offers valuable guidance for experimentalists helping to streamline the tedious process of performing a multitude of experiments to understand and optimize the effective transport of composite electrodes.
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spelling doaj-art-c3d9a0ec92144e75bb97e73832700b492025-02-09T12:46:30ZengNature PortfolioNature Communications2041-17232025-02-011611910.1038/s41467-025-56514-5Using resistor network models to predict the transport properties of solid-state battery compositesLukas Ketter0Niklas Greb1Tim Bernges2Wolfgang G. Zeier3Institute of Inorganic and Analytical Chemistry, University of MünsterInstitute of Inorganic and Analytical Chemistry, University of MünsterInstitute of Inorganic and Analytical Chemistry, University of MünsterInstitute of Inorganic and Analytical Chemistry, University of MünsterAbstract Solid-state batteries use composites of solid ion conductors and active materials as electrode materials. The effective transport of charge carriers and heat thereby strongly determines the overall solid-state battery performance and safety. However, the phase space for optimization of the composition of solid electrolyte, active material, additive is too large to cover experimentally. In this work, a resistor network model is presented that successfully describes the transport phenomena in solid-state battery composites, when benchmarked against experimental data of the electronic, ionic, and thermal conductivity of LiNi0.83Co0.11Mn0.06O2-Li6PS5Cl positive electrode composites. To highlight the broadness of the approach, literature data are examined using the proposed model. As the model is easily accessible and expandable, without the need for high computing power, it offers valuable guidance for experimentalists helping to streamline the tedious process of performing a multitude of experiments to understand and optimize the effective transport of composite electrodes.https://doi.org/10.1038/s41467-025-56514-5
spellingShingle Lukas Ketter
Niklas Greb
Tim Bernges
Wolfgang G. Zeier
Using resistor network models to predict the transport properties of solid-state battery composites
Nature Communications
title Using resistor network models to predict the transport properties of solid-state battery composites
title_full Using resistor network models to predict the transport properties of solid-state battery composites
title_fullStr Using resistor network models to predict the transport properties of solid-state battery composites
title_full_unstemmed Using resistor network models to predict the transport properties of solid-state battery composites
title_short Using resistor network models to predict the transport properties of solid-state battery composites
title_sort using resistor network models to predict the transport properties of solid state battery composites
url https://doi.org/10.1038/s41467-025-56514-5
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