Electrochemical Model Assessment of Strategies for Fast Charge

Kandler Smith, Andrew Colclasure, Francois Viretta, Weijie Mai, Donal Finegan, Matthew Keyser, Andy Jansen, Dennis Dees, Alison Dunlop, Steven Trask, Venkat Srinivasan, Eric Dufek, Tanvir Tanim, Marca Doeff, Mike Toney, Will Chueh, Che-Ning Yeh, Dean Wheeler

Research output: NRELPresentation


The United States Department of Energy (DOE) has identified extreme fast charging (XFC) as a critical challenge that must be overcome in order to achieve widespread adoption of electric vehicles. DOE’s eXtreme Fast Charge and Cell Evaluation (XCEL) program seeks to reduce charge time to 10-15 minutes for a 200+ Wh/kg Li-ion battery. This presentation for DOE’s Vehicle Technologies Program Annual Merit Review summarizes the XCEL team’s work developing electrochemical models to interpret data and applying them to identify best strategies to achieve fast charge. Strategies include advanced electrode architectures, elevated temperature charging, novel charge protocols, advanced electrolytes, thermal management and suppression of heterogeneities that cause early onset of the damaging Li plating side reaction.
Original languageAmerican English
Number of pages25
StatePublished - 2020

Publication series

NamePresented at the 2020 Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting, 1-4 June 2020

NREL Publication Number

  • NREL/PR-5400-76739


  • charge protocol
  • electrochemical model
  • electrolyte
  • fast charge
  • heterogeneity
  • Li plating
  • lithium ion battery
  • microstructure
  • ramped voltage


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