With artificial intelligence to the battery of tomorrow

With artificial intelligence to the battery of tomorrow-battery

Batteries are considered key technology for e-mobility and the energy transition in total. Worldwide, demand – and also the production. However, most batteries are still from Asia. In order to advance cell production in Germany and Europe, new technologies for mass production are used. In the research project “IntelliSpin”, the University of Landshut puts exactly here with the Technical University of Munich.

How to show from a message, researchers researchers under the direction of prof. Dr. Karl-Heinz Pettinger from the Technology Center Energy in Ruhstorf A. D. Rott on a new technology that makes the production of batteries more flexible and reduces costs with electrospinning and artificial intelligence. The Federal Ministry of Education and Research promotes the project under the Cluster “Intelligent Cell Production” with a total of 888.000 EURO.

The idea of the research team is to be laminated with the help of electrospinning previously non-laminating electrodes and thus increase the flexibility in production. Pettinger is sure: “When we manage to automate this technology and in the processes of industry 4.0 to integrate, then strengthens the competition of companies over large industrial systems enormously. Thus, we support the industry to make investment decisions in favor of production facilities in Germany and Europe.”

When laminating, positive and negative electrodes with intervening separators are layered alternately and subsequently sealed with a film, it says in the message. Due to their thin and lightweight construction, laminated cells are flexible in shaping, but still provide a lot of electricity. Electrode formulations based on water and are therefore very environmentally friendly, can not be laminated so far. That’s what the project team now wants to change by applying a breath-thin layer of a special polymer to these electrodes.

“This happens by means of automated electrospinning,” says Landshuter Professor. Chemical materials in the finest fibers with diameters of few micro- or nanometers are spun. The researchers spray a chemical solution into an electric field. The solution is tightened and accelerated by the counter electrode. During this process, the solvent evaporates and it forms nanofibers, which are up to 1000 times thinner than a human hair and like a kind of nonwoven depositing.

Using artificial intelligence, this procedure is finally networked with an existing production line. The result should be lower committee rates, a more flexible production and a higher quality and thus longer life of the cells.

In the project IntelliSpin, the University of Landshut and the Technical University of Munich combine their core competencies in battery production, the message continues. For example, the sub-automatic production of lithium-ion cells count to the main expertise of the Lower Bavaria. The Institute of Machine Machines and Business Administration of the TU Munich, however, develop the control concepts and take over the analyzes of processes as well as the development of the KI models.

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