Operation and Degradation Aspects of EV Batteries

Claus Nygaard Rasmussen; Søren Højgaard Jensen; Guangya Yang

doi:10.1002/9781118568040.ch9

Operation and Degradation Aspects of EV Batteries

Claus Nygaard Rasmussen, Søren Højgaard Jensen, Guangya Yang

Department of Energy Conversion and Storage

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

Abstract

In this chapter we analyse the relation between EV battery operation and degradation. This is done through measurements and modelling of the performance, degradation effects and thermal effects of two types of lithium batteries. The batteries investigated, lithium iron phosphate and lithium–nickel–manganese–cobalt, represent two promising chemistries for electric vehicle operation. The methods used to obtain an electric equivalent‐circuit model for the batteries are explained and the effects of battery degradation on the model parameters are evaluated. The analysis leads to results regarding the influence of battery operation on expected lifetime and in particular the influence that vehicle‐to‐grid operation might have.

Original language	English
Title of host publication	Grid Integration of Electric Vehicles in Open Electricity Market
Editors	Qiuwei Wu
Publisher	Wiley
Publication date	2013
Pages	192-232
Chapter	9
ISBN (Print)	9781118446072
DOIs	https://doi.org/10.1002/9781118568040.ch9
Publication status	Published - 2013

Bibliographical note

https://onlinelibrary-wiley-com.proxy.findit.dtu.dk/doi/abs/10.1002/9781118568040.ch9

Keywords

EV batteries
Vehicle‐to‐grid
Modelling
Testing
Degradation
Circuit model

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10.1002/9781118568040.ch9

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AB - In this chapter we analyse the relation between EV battery operation and degradation. This is done through measurements and modelling of the performance, degradation effects and thermal effects of two types of lithium batteries. The batteries investigated, lithium iron phosphate and lithium–nickel–manganese–cobalt, represent two promising chemistries for electric vehicle operation. The methods used to obtain an electric equivalent‐circuit model for the batteries are explained and the effects of battery degradation on the model parameters are evaluated. The analysis leads to results regarding the influence of battery operation on expected lifetime and in particular the influence that vehicle‐to‐grid operation might have.

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KW - Vehicle‐to‐grid

KW - Modelling

KW - Testing

KW - Degradation

KW - Circuit model

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BT - Grid Integration of Electric Vehicles in Open Electricity Market

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ER -

Operation and Degradation Aspects of EV Batteries

Abstract

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Keywords

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