Durability effects of high frequency pulse charging

Research Project, 2024 – 2025

Volvo Cars is committed to reducing carbon emissions and has pledged to be a 100% electric vehicle manufacturer by 2030 (Volvo Cars, 2024). In Volvo Cars electrification journey the battery-cell plays a vital role to deliver to their purpose. Hence, the project aims to validate the lithium-ion cell durability over high frequency operations. The project aims to perform high frequency charge and discharge testing to evaluate the performance characteristics of lithium-ion cells, particularly under conditions that simulate real-world automotive applications. The high frequency test will help to provide valuable data on a cell's ability to handle high power demands, its resistance (both ohmic and impedance), and its state of charge (SoC) behaviour over a wide range of operating conditions. The testing will help determining the dynamic performance and durability characteristics of the battery at high frequency utilisation.