Enabling Fast Charging - Vehicle Considerations

Andrew Meintz, Cory Kreutzer, Matthew Keyser, Anthony Markel, Ahmad Pesaran, Ram Vijayagopal, Shabbir Ahmed, Ira Bloom, Andrew Burnham, Richard Carlson, Fernando Dias, Eric Dufek, James Francfort, Andrew Jansen, Christopher Michelbacher, Manish Mohanpurkar, Don Scoffield, Matthew Shirk, Thomas Stephens, Tanvir TanimKeith Hardy, Jiucai Zhang

Research output: Contribution to journalArticlepeer-review

132 Scopus Citations

Abstract

To achieve a successful increase in the plug-in battery electric vehicle (BEV) market, it is anticipated that a significant improvement in battery performance is required to increase the range that BEVs can travel and the rate at which they can be recharged. While the range that BEVs can travel on a single recharge is improving, the recharge rate is still much slower than the refueling rate of conventional internal combustion engine vehicles. To achieve comparable recharge times, we explore the vehicle considerations of charge rates of at least 400 kW. Faster recharge is expected to significantly mitigate the perceived deficiencies for long-distance transportation, to provide alternative charging in densely populated areas where overnight charging at home may not be possible, and to reduce range anxiety for travel within a city when unplanned charging may be required. This substantial increase in charging rate is expected to create technical issues in the design of the battery system and the vehicle's electrical architecture that must be resolved. This work focuses on vehicle system design and total recharge time to meet the goals of implementing improved charge rates and the impacts of these expected increases on system voltage and vehicle components.

Original languageAmerican English
Pages (from-to)216-227
Number of pages12
JournalJournal of Power Sources
Volume367
DOIs
StatePublished - 1 Nov 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.

NREL Publication Number

  • NREL/JA-5400-68176

Keywords

  • Battery electric vehicles (BEV)
  • Direct current fast charging (DCFC)
  • Extreme fast charging (XFC)
  • Long-distance travel
  • Power electronics

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