Vehicle to Grid Battery Degradation Impact
Eric Johannes Hytoenen
Vehicle to Grid Battery Degradation Impact.
Rel. Paolo Guglielmi. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Energetica E Nucleare, 2023
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Abstract
Electrification of the mobility sector is necessary to make a lasting impact on emissions from an otherwise entirely dependent fossilized fuel sector. A key component to electrification is ensuring that electric vehicles do not disrupt an already complex energy grid system. This thesis focuses on vehicle to grid (V2G) scenarios in which EVs are used to supplement peak demand periods in the grid while also smartly controlling when the battery is charged up again. This raises the question of, how does the extra charging and discharging affect the battery life? Currently EV manufacturers offer warranties anywhere from 8-10 years when the battery gets to 80% of its original capacity.
This metric is compared overall to several usage profile and vehicle to grid (V2G) scenarios to determine the effects on battery degradation with the goal to demonstrate and understand its impact on the battery
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