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Batteries & Fuel Cells Blog Posts

Electrode Balancing of a Lithium-Ion Battery with COMSOL®

May 16, 2019

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.

Evaluating the Electrode Utilization of a Lithium-Ion Battery Pouch Cell

April 11, 2019

Large-format batteries are found in energy storage systems; electric, hybrid, and plug-in cars; unmanned vehicles; light-rail trains; and more. We discuss modeling a component of these batteries.

Digital Twins and Model-Based Battery Design

February 20, 2019

By combining high-fidelity multiphysics models with lightweight models and measured data, engineers can create digital twins to understand, predict, optimize, and control real-world systems.

How to Model Ion-Exchange Membranes and Donnan Potentials

August 29, 2018

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.

Fueling Up for Autonomous Driving with Optimized Battery Designs

June 14, 2018

What good are fully autonomous vehicles if they run on fuel? To develop hybrid and electric autonomous vehicles, we need to design efficient and optimized battery management systems.

Analyzing the Current Distribution in a Lead-Acid Battery Design

May 24, 2018

The lead-acid battery in your car is not much different from the original one developed by Gaston Planté in 1859. 1 change is that you can now analyze the current distribution using simulation.

Advancing Vanadium Redox Flow Batteries with Modeling

December 21, 2017

The chemical energy in vanadium redox flow batteries is contained in liquid electrolytes and stored in external tanks. They can be used to improve grid energy storage and renewable energy.

Modeling Electrochemical Processes in a Solid-State Lithium-Ion Battery

December 7, 2016

Traditional lithium-ion batteries use an electrolyte based on a flammable liquid solvent, which can cause them to catch fire if they overheat. In recent years, nonflammable solid electrolytes have been investigated as an alternative to improve battery design and safety. Optimizing this technology for industrial applications, however, requires a better understanding of the electrochemical processes inside the device. Simulation serves as a valuable tool for this purpose, helping to realize the use of solid-state lithium-ion batteries in the near future.


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