TY - JOUR
T1 - Modelling and Optimisation of Laser-Structured Battery Electrodes
AU - Schweighofer, Lukas
AU - Eschelmüller, Bernd
AU - Fröhlich, Katja
AU - Pfleging, Wilhelm
AU - Pichler, Franz
PY - 2022/5/1
Y1 - 2022/5/1
N2 - An electrochemical multi-scale model framework for the simulation of arbitrarily three-dimensional structured electrodes for lithium-ion batteries is presented. For the parameterisation, the electrodes are structured via laser ablation, and the model is fit to four different, experimentally electrochemically tested cells. The parameterised model is used to optimise the parameters of three different pattern designs, namely linear, gridwise, and pinhole geometries. The simulations are performed via a finite element implementation in two and three dimensions. The presented model is well suited to depict the experimental cells, and the virtual optimisation delivers optimal geometrical parameters for different C-rates based on the respective discharge capacities. These virtually optimised cells will help in the reduction of prototyping cost and speed up production process parameterisation.
AB - An electrochemical multi-scale model framework for the simulation of arbitrarily three-dimensional structured electrodes for lithium-ion batteries is presented. For the parameterisation, the electrodes are structured via laser ablation, and the model is fit to four different, experimentally electrochemically tested cells. The parameterised model is used to optimise the parameters of three different pattern designs, namely linear, gridwise, and pinhole geometries. The simulations are performed via a finite element implementation in two and three dimensions. The presented model is well suited to depict the experimental cells, and the virtual optimisation delivers optimal geometrical parameters for different C-rates based on the respective discharge capacities. These virtually optimised cells will help in the reduction of prototyping cost and speed up production process parameterisation.
KW - 3D battery concept
KW - battery modelling
KW - laser-structured electrodes
KW - lithium-ion battery
KW - multi-physics multi-domain modelling
KW - virtual optimisation
UR - http://www.scopus.com/inward/record.url?scp=85129619577&partnerID=8YFLogxK
U2 - 10.3390/nano12091574
DO - 10.3390/nano12091574
M3 - Article
SN - 2079-4991
VL - 12
JO - Nanomaterials
JF - Nanomaterials
IS - 9
M1 - 1574
ER -