Empowering Electric Vehicles Batteries: A Comprehensive Look at the Application and Challenges of Second-Life Batteries

Seyedreza Azizighalehsari*, Prasanth Venugopal, Deepak Pratap Singh, Thiago Batista Soeiro*, Gert Rietveld

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

1 Citation (Scopus)
70 Downloads (Pure)

Abstract

The surge in electric vehicle adoption has resulted in a significant rise in end-of-life batteries, which are unsuitable for demanding EV applications. Repurposing these batteries for secondary applications presents a promising avenue to tackle environmental and economic challenges associated with their disposal. The second-life battery (SLB) approach emerges as a mechanism to manage this massive amount of retired EV batteries. However, this approach poses significant challenges in determining and monitoring battery degradation and performance. After evaluating different scenarios for reusing or recycling retired EV batteries, this paper examines the main challenges associated with SLBs, including techno-economic aspects, uncertainty from first life, safety, characterization and screening, battery-management systems, and secondary applications. A comprehensive review of current state-of-the-art SLB research and implementations is provided, particularly emphasizing battery characterization and the requisite evaluation processes for SLB eligibility. This paper explores diverse measurement techniques for assessing SLB performance, evaluating them based on accuracy, complexity, and time consumption, which are essential for achieving cost-effective SLB applications. The overarching objective is to thoroughly understand the principal challenges associated with repurposing EV batteries and delineate the research imperatives necessary for their successful implementation and prolonged lifespan.

Original languageEnglish
Article number161
JournalBatteries
Volume10
Issue number5
DOIs
Publication statusPublished - May 2024

Keywords

  • Battery characterization
  • Electric vehicles (EVs)
  • End of life (EOL)
  • Measurement techniques
  • Remaining Useful life (RUL)
  • Retired EV batteries
  • Second-life batteries (SLBs)
  • State of Health (SOH)

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