Thermal Implications for Extreme Fast Charge

Research output: NRELPresentation

Abstract

Present-day thermal management systems for battery electric vehicles are inadequate in limiting the maximum temperature rise of the battery during extreme fast charging. If the battery thermal management system is not designed correctly, the temperature of the cells could reach abuse temperatures and potentially send the cells into thermal runaway. Furthermore, the cell and battery interconnect design needs to be improved to meet the lifetime expectations of the consumer. Each of these aspects is explored and addressed as well as outlining where the heat is generated in a cell, the efficiencies of power and energy cells, and what type of battery thermal management solutions are available in today's market. Thermal management is not a limiting condition with regard to extreme fast charging, but many factors need to be addressed especially for future high specific energy density cells to meet U.S. Department of Energy cost and volume goals.
Original languageAmerican English
Number of pages25
StatePublished - 2017

Publication series

NamePresented at the Vehicle Technologies Office (VTO) Annual Merit Review and Peer Evaluation, 5-9 June 2017, Washington, D.C.

NREL Publication Number

  • NREL/PR-5400-68339

Keywords

  • battery thermal efficiency
  • battery thermal management
  • cell thermal design
  • extreme fast charging
  • heat generation
  • lithium-ion battery

Fingerprint

Dive into the research topics of 'Thermal Implications for Extreme Fast Charge'. Together they form a unique fingerprint.

Cite this