Battery data without additional wiring
In order to enable more efficient management technologies for the more than 100 cells within a battery pack, the scientists involved in the project IntLion have developed a technique that resembles the known Powerline Transmission, but applies these principles to DC current paths. This would enable battery manufacturers to do away with additional data wires within the battery packs and thus save space and costs. The system makes every single battery cell accessible to the management system, enabling a more precise and efficient battery management. In addition, this approach allows to better utilizing the energy potential of such a battery pack: If one cell fails to work properly, it can be replaced instead of replacing a group of cells or even the entire battery pack.
In the IntLion project, Robert Bosch GmbH and ProDesign Electronic GmbH collaborate with the Karlsruhe Institute of Technology (KIT) and the Hochschule Hannover. The project is funded within the scope of the electromobility research program by the German federal research ministry.
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