Enabling Fast Charging - Battery Thermal Considerations

Matthew Keyser, Ahmad Pesaran, Shriram Santhanagopalan, Kandler Smith, Eric Wood, Andrew Meintz, Cory Kreutzer, Anthony Markel, Shabbir Ahmed, Ira Bloom, Eric Dufek, Matthew Shirk, Christopher Michelbacher, Andrew Burnham, Thomas Stephens, James Francfort, Barney Carlson, Ram Vijayagopal, Keith Hardy, Fernando DiasManish Mohanpurkar, Don Scoffield, Andrew Jansen, Tanvir Tanim, Qibo Li, Jiucai Zhang

Research output: Contribution to journalArticlepeer-review

220 Scopus Citations

Abstract

Battery thermal barriers are reviewed with regards to extreme fast charging. 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
Pages (from-to)228-236
Number of pages9
JournalJournal of Power Sources
Volume367
DOIs
StatePublished - 1 Nov 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.

NREL Publication Number

  • NREL/JA-5400-68378

Keywords

  • Battery thermal efficiency
  • Battery thermal management
  • Cell thermal design
  • Extreme fast charging
  • Heat generation
  • Lithium-ion battery

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