Bosch and partners launch new €4.3M project on powerline communications for smart battery management
21 August 2013
|Concept of the IntLiIon project. Click to enlarge.|
Bosch and partners Pro Design Electronic GmbH, University of Applied Sciences and Arts Hannover and Karlsruhe Institute of Technology (KIT) have launched a new €4.3-million (US$5.8-million) project to improve battery performance in hybrid and electric vehicles with smart battery management. The technical basis of the project is an innovative method that uses the path traveled by the electricity in the battery to transmit data for the optimum exchange of measurement data and control signals.
Between now and May 2016, the IntLiIon project (intelligent data bus concepts for lithium-ion batteries in electric and hybrid vehicles) will receive €2.5 million (US$3.4 million) in funding from Germany’s Federal Ministry of Education and Research.
If electric vehicles are to be used on a daily basis, there is a need for high-performance, safe, and durable batteries, the partners said. To ensure that the energy stored in the battery is used more efficiently in the future, as well as to significantly increase the range of electrically powered vehicles, researchers are looking to smart battery management.
The IntLilon project aims to develop smart data transmission techniques specifically for lithium-ion batteries. Its focus of research is on powerline communications systems capable of efficiently controlling and monitoring each of the up to 100 cells found in a battery pack.
This powerline system will eliminate the need for the costly extra data-transmission wiring that has been necessary in all the battery systems used to date.
The intention is to constantly monitor and to control each battery cell individually,said Dr. Jens Strobel, who coordinates the project at Robert Bosch GmbH.
This will also allow optimum use of the battery’s energy potential: if a single cell in the lithium-ion battery is no longer operating efficiently, then only that single cell will have to be replaced, not the whole battery module. This saves resources and brings down costs.
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