A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations

Transport electrification is a key enabler to reduce fossil fuel depletion and related carbon dioxide emissions. However, critical barriers exist in terms of battery costs and their expected life. Vehicle-to-grid technology can bring benefits to both the electrical power grid and electric vehicle ow...

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Autores principales:	Truong M. N. Bui, Muhammad Sheikh, Truong Q. Dinh, Aniruddha Gupta, Dhammika W. Widanalage, James Marco
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Electric vehicles vehicle-to-grid battery degradation Lithium-ion battery SoC preconditioning smart charge Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/fbd2c3e8c07a497db1ae087c642acde1
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spelling	oai:doaj.org-article:fbd2c3e8c07a497db1ae087c642acde12021-12-01T00:00:58ZA Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations2169-353610.1109/ACCESS.2021.3128774https://doaj.org/article/fbd2c3e8c07a497db1ae087c642acde12021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9617644/https://doaj.org/toc/2169-3536Transport electrification is a key enabler to reduce fossil fuel depletion and related carbon dioxide emissions. However, critical barriers exist in terms of battery costs and their expected life. Vehicle-to-grid technology can bring benefits to both the electrical power grid and electric vehicle owners, while its practical implementation faces challenges due to the concerns over accelerated battery degradation. This paper presents a comprehensive study on reduced Lithium-ion battery degradation through state-of-charge pre-conditioning strategies that allow an electric vehicle to participate in vehicle-to-grid operations during periods in which the vehicle is parked. Energy capacity reduction of the electric vehicle battery are predicted using semi-empirical ageing models, which have been built and validated to capture the degradation behaviours of the battery with respect to both calendar and cycling ageing. Five charging strategies for battery state-of-charge pre-conditioning have been developed to evaluate the ability to mitigate battery ageing before commencing vehicle-to-grid operations. Simulation studies on battery degradation utilizing such charging mechanisms under two different operational profiles have been undertaken. The analytical results show that the proposed charging strategies do not accelerate battery degradation and are capable of mitigating the total ageing process from 7.3 – 26.7% for the first 100 days of operational life and gradually vary to 8.6 – 12.3% for one-year continual operation compared to the reference standard charging approach.Truong M. N. BuiMuhammad SheikhTruong Q. DinhAniruddha GuptaDhammika W. WidanalageJames MarcoIEEEarticleElectric vehiclesvehicle-to-gridbattery degradationLithium-ion batterySoC preconditioningsmart chargeElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 155871-155896 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electric vehicles vehicle-to-grid battery degradation Lithium-ion battery SoC preconditioning smart charge Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electric vehicles vehicle-to-grid battery degradation Lithium-ion battery SoC preconditioning smart charge Electrical engineering. Electronics. Nuclear engineering TK1-9971 Truong M. N. Bui Muhammad Sheikh Truong Q. Dinh Aniruddha Gupta Dhammika W. Widanalage James Marco A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
description	Transport electrification is a key enabler to reduce fossil fuel depletion and related carbon dioxide emissions. However, critical barriers exist in terms of battery costs and their expected life. Vehicle-to-grid technology can bring benefits to both the electrical power grid and electric vehicle owners, while its practical implementation faces challenges due to the concerns over accelerated battery degradation. This paper presents a comprehensive study on reduced Lithium-ion battery degradation through state-of-charge pre-conditioning strategies that allow an electric vehicle to participate in vehicle-to-grid operations during periods in which the vehicle is parked. Energy capacity reduction of the electric vehicle battery are predicted using semi-empirical ageing models, which have been built and validated to capture the degradation behaviours of the battery with respect to both calendar and cycling ageing. Five charging strategies for battery state-of-charge pre-conditioning have been developed to evaluate the ability to mitigate battery ageing before commencing vehicle-to-grid operations. Simulation studies on battery degradation utilizing such charging mechanisms under two different operational profiles have been undertaken. The analytical results show that the proposed charging strategies do not accelerate battery degradation and are capable of mitigating the total ageing process from 7.3 – 26.7% for the first 100 days of operational life and gradually vary to 8.6 – 12.3% for one-year continual operation compared to the reference standard charging approach.
format	article
author	Truong M. N. Bui Muhammad Sheikh Truong Q. Dinh Aniruddha Gupta Dhammika W. Widanalage James Marco
author_facet	Truong M. N. Bui Muhammad Sheikh Truong Q. Dinh Aniruddha Gupta Dhammika W. Widanalage James Marco
author_sort	Truong M. N. Bui
title	A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
title_short	A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
title_full	A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
title_fullStr	A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
title_full_unstemmed	A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations
title_sort	study of reduced battery degradation through state-of-charge pre-conditioning for vehicle-to-grid operations
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/fbd2c3e8c07a497db1ae087c642acde1
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A Study of Reduced Battery Degradation Through State-of-Charge Pre-Conditioning for Vehicle-to-Grid Operations

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