Thermal validation for battery cells
KIT dummy battery cell enables efficient evaluation
Exhibitors
Location
Hall 11, Stand B06
Description
In order for batteries to function reliably over their intended service life, they have to be operated within a specific, narrow temperature window: Thermal validation of the interaction of individual battery cells ensures the safe and efficient operation of the entire battery system. In practice, the thermal validation of battery cells is a difficult balancing act between risky and time-consuming physical tests with real battery cells and simulations based on assumptions. Researchers at the IPEK – Institute for Product Engineering at KIT and the InnovationCampus Future Mobility (ICM) found the solution in innovative mixed physical-virtual battery cell models (BEM): A "dummy cell" imitates the thermal behavior of a real reference cell, but consists exclusively of chemically inert replacement materials without electrical potential. First, the electrical, thermal and geometric data of a real battery cell or the desired properties of a hypothetical cell are gathered. Based on this data, the design is carried out in a simulation, which depicts the ideal thermal behavior of the cell both internally and externally. This is followed by the transfer to a dummy: a dummy cell is constructed from a suitable replacement material. The cell structure is gradually brought closer to the thermal behavior of the real cell or the "desired cell" using further simulations. The dummy cell enables cost-efficient yet precise analysis of the thermal properties of battery systems. In addition, the replacement model opens up completely new validation objectives. KIT offers contract work for both SMEs and OEMs and is looking for partners for application-specific development projects and joint research work.
You can get an overview of this technology at KIT stand. More details can be exchanged individually with the responsible scientific employees of KIT after the industry fair.
Contact
Karlsruher Institut für Technologie (KIT)
- Kaiserstr. 12
- 76131 Karlsruhe
- Germany
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