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Modeling Phase Separation and Hysteresis in Battery Electrodes Based on a Particle Distribution Approach
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AI
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K
S
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J
A
DOI：10.1149/1945-7111/ae5fdd.png)
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Abstract
En 中文
A new approach to the discretization of electro-chemical battery models is proposed that shows its strength in the simulation of hysteretic electrode behavior. State-of-the-art hysteresis model approaches often suffer from additional voltage artefacts and high computational cost. The proposed model solves these issues by extending the classic approach of simulating representative particles (implicitly using fixed fractions of represented particles), with a variable fraction of represented particles. This extension is conducted via the classification of all particles into clusters of similar concentration and the simulation of these clusters size distribution. The computational and qualitative advantages of this approach are presented in comparison to the state-of-the art many particle model. smooth thermodynamic consistent voltage hysteresis predictionefficient computationally cheap phase separation modelnew electrochemical model discretization
Keywords:
hysteresis
battey modelling
lithium iron-phosphate
phase separation
Journal
IF:
3.3
Papers:
3.3W
Citations:
9.4W
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