Multi-physics Simulation of Charge-Transfer Reaction and Mass Transport in Lithium-Ion Battery Cathode
The practical utilization of computer simulations is expected in many disciplines as results of advancements of computers, computer science, and simulation methods in the last decades. Perceptions of simulation technologies in the past would be that it rarely contributes to the practical battery developments; however, their use is expected to be inevitable in the battery research and development in the future. In this chapter, authors will introduce the multi-physics simulations of battery cathodes. An approach to modeling the complex microstructure of composite cathode is first introduced, followed by the discussion of the physical properties to be used in the simulation. The importance of interfacial resistance in the composite cathode is discussed on the basis of simulation results for lithium-ion battery cathode. Preliminary application of the approach to the solid-state battery system is also introduced. Finally, future directions are introduced.
KeywordsMulti-physics simulation Li-ion battery Solid-state battery Cathode Interfacial resistance Finite element methods
The part of the research is supported by JSPS KAKENHI Grant Number JP25709007 and MEXT Program for Integrated Materials Development. The authors wish to thank Dr. Kazunori Takada of National Institute for Materials Science and Prof. Kiyoshi Kanamura of Tokyo Metropolitan University for fruitful discussion.
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