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E-mobility: TRUMPF enables the recycling of batteries on an industrial scale

TRUMPF develops efficient laser processes for recycling electric car batteries // Battery manufacturers can reuse valuable raw materials and comply with the EU recycling quota 

Ditzingen/Stuttgart, 12 June 2024 – For the first time, carmakers and battery manufacturers can now recycle used or defective batteries from electric cars on an industrial scale using laser technology from TRUMPF. The high-tech company develops laser systems that cut used batteries safely and remove the valuable raw materials from the battery foil. “Recycling batteries makes ecological sense and, thanks to laser technology, can now also be implemented economically. TRUMPF can draw on extensive expertise in laser welding and cutting for the production of e-car batteries. We have been working with all leading car and battery manufacturers for years. We have incorporated this experience into the development of the new processes,” says Hagen Zimer, CEO of Laser Technology at TRUMPF. The high-tech company will present the new laser processes for the first time at the leading trade fair for battery technology, Battery Show Europe 2024, in Stuttgart. 


A large market for recycling e-car batteries

Without valuable raw materials such as cobalt, lithium or nickel, there are currently no electric car batteries. However, the extraction of these raw materials is expensive and not always sustainable. Manufacturers also have to accept long and uncertain supply chains. In addition, the EU requires a recycling rate of up to 90 percent for batteries. “The industry therefore has to recycle on a large scale. The market for laser processes for recycling batteries, which is currently emerging, is huge,” says Alexander Sauer, head of the Fraunhofer Institute for Manufacturing Engineering and Automation IPA. In Europe alone, the industry will have to recycle 570,000 tons of battery material annually from 2030.


Lasers ensure high recycling rates

The electrodes for new battery cells are created as foil strips coated with valuable materials such as cobalt and nickel. In a future recycling plant, laser processes can remove the wafer-thin layer from the foil. Manufacturers can collect the precious dust and process it for new coatings. Until now, it was not uncommon for kilometers of coated foils to end up as waste in the garbage. 

In the future, laser technology could also be used to recycle battery packs. Laser technology is the only way to ensure efficient and automated dismantling, for example to remove the covers from batteries or to cut off cables. The raw materials can then be sorted and the battery cells that are still usable can be separated and reused directly. Until now, dismantling electric car batteries has been a manual process. It is laborious, slow and sometimes dangerous for workers.

TRUMPF employee with battery

A TRUMPF employee explains where the battery will be cut open by the laser.

TRUMPF employee with battery

Cutting open used or faulty batteries using laser technology enables battery recycling to be scaled up.

K této tiskové informaci jsou připraveny vhodné digitální obrazy v rozlišení vhodném pro tisk. Ty smějí být používány pouze k redakčním účelům. Používání je bez honoráře při uvedení zdroje „Foto: TRUMPF“. Grafické změny – kromě k uvolnění hlavního motivu – nejsou povoleny. Další fotografie lze vyvolat v TRUMPF Media Pool.

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Gabriel Pankow
Mluvčí Laserová technika
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