Electric Vehicle Battery Cell Cycle Aging in Vehicle to Grid Operations: A Review

Lehtola, Timo A., and Zahedi, Ahmad (2021) Electric Vehicle Battery Cell Cycle Aging in Vehicle to Grid Operations: A Review. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9 (1). 8936355. pp. 423-437.

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Electric vehicle (EV) owners need vehicle to grid (V2G) operations information before being able to participate in power grid support. Specifically, the lack of understanding of the effect of battery charge and discharge on the lifetime of battery cells inhibits full participation. Batteries are expensive, but increasing their lifetime is one solution to reduce costs. Several battery aging models have been developed to calculate the lifetime and cost of V2G operations. This review contributes to what is already known by connecting measurement data, driving data, and V2G operations to the battery cycle aging model. The review identified time, temperature, and state of charge influence calendar aging. In addition, a number of cycles, depth of discharge and charging rate influence cycle aging. Results indicated the battery's naturally decreasing lifetime can be reduced and scheduled charging can extend lifetime. The implications of V2G operations on battery durability play an important role in the convenience for EV owners to support the power grid with ancillary service contributions.

Item ID: 66914
Item Type: Article (Research - C1)
ISSN: 2168-6785
Keywords: Aging, batteries, computational modeling, control systems, degradation, economics, electric vehicles (EVs), electrodes, energy management, equations, estimation, frequency control
Copyright Information: © 2019 IEEE.
Date Deposited: 21 Apr 2022 02:48
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