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DCA & Heat

Best practices of cell testing for EFB regarding DCA and high-temperature durability

  • Collaborative project
  • Partners: TU Berlin, Fraunhofer Institute for Silicate Research ISC, Moll Batterien & Ford Research and Advanced Engineering Europe
  • Sponsored by CBI
  • Project duration: 10/2020 - 03/2022

 

 

Project Objectives

The main objective of this research project is to improve laboratory, cell-level test methods for water loss, high temperature durability, and dynamic charge acceptance (DCA). The Technical Roadmap for automotive batteries (ALABC, September 2018) prioritizes a significant DCA improvement at uncompromised water consumption and moderately improved corrosion durability. It has become obvious on battery level that single-pulse tests for DCA and continuous overcharging for water consumption bear only weak correlation with results obtained under field conditions, particularly when most advanced (high DCA) battery technologies are addressed. Consequently, material screening and mass recipe optimization should employ other, more complex methods on cell level, too.

Therefore, this research project will develop a best practice for such cell-level test methods. Thereby, collaboration and a maximum alignment between car makers and battery application specialists, working on new battery test standards, is strongly emphasized.

Zusatzinformationen / Extras

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Contact

M.Sc. Sophia Matthies
030 314 73612
EMH 129

Address

Technische Universit├Ąt Berlin
Electrical Energy Storage Technology
of Energy and Automation Technology
IV
EMH 2
Einsteinufer 11
D-10587 Berlin