Computer-Aided Optimization of Macroscopic Design Factors for Lithium-Ion Cell Performance and Life (Presentation): NREL (National Renewable Energy Laboratory)

Research output: NRELPresentation

Abstract

Electric-drive vehicles enabled by power- and energy-dense batteries promise to improve vehicle efficiency and help reduce society's dependence on fossil fuels. Next generation plug-in hybrid vehicles and battery electric vehicles may also enable vehicles to be powered by electricity generated from clean, renewable resources; however, to increase the commercial viability of such vehicles, thecost, performance and life of the vehicles' batteries must be further improved. This work illustrates a virtual design process to optimize the performance and life of large-format lithium ion batteries. Beginning with material-level kinetic and transport properties, the performance and life of multiple large-format cell designs are evaluated, demonstrating the impact of macroscopic designparameters such as foil thickness, tab location, and cell size and shape under various cycling conditions. Challenges for computer-aided engineering of large-format battery cells, such as competing requirements and objectives, are discussed.
Original languageAmerican English
Number of pages26
StatePublished - 2010

Publication series

NamePresented at the 217th Electrochemical Society Meeting, 25-30 April 2010, Vancouver, Canada

NREL Publication Number

  • NREL/PR-5400-47947

Keywords

  • batteries
  • battery life
  • computer aided engineering (CAE)
  • electric drive vehicles
  • lithium ion batteries

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