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SimScience 2017: Simulation Science pp 128-144 | Cite as

3D Microstructure Modeling and Simulation of Materials in Lithium-ion Battery Cells

  • Julian Feinauer
  • Daniel Westhoff
  • Klaus Kuchler
  • Volker Schmidt
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 889)

Abstract

The microstructure of lithium-ion battery electrodes has a major influence on the performance and durability of lithium-ion batteries. In this paper, an overview of a general framework for the simulation of battery electrode microstructures is presented. A multistep approach is used for the generation of such particle-based materials. First, a ‘host lattice’ for the coarse structure of the material and the placement of particles is generated. Then, several application-specific rules, which, e.g., influence connectivity are implemented. Finally, the particles are simulated using Gaussian random fields on the sphere. To show the broad applicability of this approach, three different applications of the general framework are discussed, which allow to model the microstructure of anodes of energy and power cells as well as of cathodes of energy cells. Finally, the validation of such models as well as applications together with electrochemical transport simulation are presented.

Keywords

Stochastic 3D microstructure modeling Lithium-ion cell anodes Lithium-ion cell cathodes Gaussian random fields on the sphere 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Julian Feinauer
    • 1
  • Daniel Westhoff
    • 1
  • Klaus Kuchler
    • 1
  • Volker Schmidt
    • 1
  1. 1.Institute of StochasticsUlm UniversityUlmGermany

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