All posts by Henrik Ekström
Introduction to the Concentrated Electrolyte Transport Interface
COMSOL® version 6.3 introduced a new interface, which enables the modeling of electrolytes consisting of an arbitrary number of electrolyte species. Get the details here.
Improving Tabbing Design in Cylindrical Batteries
A major electric vehicle and battery manufacturer announced a new “tabless” design concept for cylindrical lithium-ion batteries. In this blog post, we explore this concept with simulation.
Approaching an Electrochemical Model from Scratch: Lemon Battery
The lemon battery: A high school chemistry experiment, and a great example when learning the general process for how to set up electrochemistry and battery models from scratch.
Electrode Balancing of a Lithium-Ion Battery with COMSOL®
Electrode balancing is an important consideration for battery cell engineers. Get an overview and mathematical framework of this phenomenon and learn how to analyze it in a lithium-ion battery.
How to Model Ion-Exchange Membranes and Donnan Potentials
Get an introduction to the theory behind the Nernst-Planck-Poisson equations, Donnan potentials, and how to model ion-exchange membranes in batteries and fuel cells.