Operation and Degradation Aspects of EV Batteries

Claus Nygaard Rasmussen, Søren Højgaard Jensen, Guangya Yang

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review


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 languageEnglish
Title of host publicationGrid Integration of Electric Vehicles in Open Electricity Market
EditorsQiuwei Wu
Publication date2013
ISBN (Print)9781118446072
Publication statusPublished - 2013

Bibliographical note



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


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