Author: Bernhard Fäßler
Title: Autonomous optimization of second use battery storage systems
Affiliation: University of Agder
Electric vehicles are becoming more and more popular. This trend does not only rely on governmental incentives, it is also due to technology development leading to increased driving range and lower battery costs, driven by ever increasing environmental concerns. Unfortunately, electric vehicle batteries lose usable capacity over time and usage and are normally replaced when they reach 80% if their initial capacity.
In parallel, the share of intermittent renewable sources, such as wind and solar, is growing rapidly which affects grid stability and power quality. Buffer storages are needed to compensate for imbalances between energy demand and generation where second use batteries could be a viable alternative to traditional solutions such as pumped storage hydro power plants.
The University of Agder is working, among other battery related research, on stationary, second use storage assembly possibilities and application dependent controllers to allow for autonomous storage operation.