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Durability and Reliability of EV Batteries under Electric Utility Grid Operations: Impact of Frequency Regulation Usage on Cell Degradation

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 15 May 2020Publisher:MDPI AGJournal:Energies, volume 13, page 2,494 (eissn: 1996-1073,

Authors: George Baure; Matthieu Dubarry;

doi: 10.3390/en13102494

Durability and Reliability of EV Batteries under Electric Utility Grid Operations: Impact of Frequency Regulation Usage on Cell Degradation

- Summary
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Abstract

The usage of electric vehicle batteries to assist the main electric grid for the storage of energy provided by intermittent sources should become an essential tool to increase the penetration of green energies. However, this service induces additional usage on the cells and, therefore, could degrade them further. Since degradation is path-dependent, it is of paramount importance to test the impact of all the different grid applications on the batteries. In this work, we tested the additional usage induced by using electric vehicle batteries for frequency regulation at moderate rates during rest or charge and found no detrimental effect after around 2000 cycles on the cells.

Related Organizations

University of Hawaiʻi Sea Grant
United States
University of Hawaii at Manoa
United States
University of Hawaii System
United States

Keywords

Technology, lithium-ion; dQ/dV; dV/dQ; frequency regulation; V2G; G2V; electric vehicle, T, V2G, G2V, dV/dQ, frequency regulation, lithium-ion, dQ/dV

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	15
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%