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An improved cutting process for battery separator foils with CO₂ lasers

10.07.2024 - Laser manufacturer Luxinar is highlighting the benefits of laser cutting battery separator foils at the LaserEMobility Workshop.

The company will present its laser sources that can shape battery cells and refine electronic components on Stand 19 and as part of the Laser EMobility conference program from 17 to 18 July in Munich, Germany.

Separator foils are made from plastic film at thicknesses below 30 µm; they are cut to length mainly by mechanical cutters and prohibit short circuits between the electrically charged layers of electrodes. Newer developments of battery separator foils utilize a thin layer of ceramic coating applied to one side of the film.

Cutting by knife increases wear on the tools, and small ceramic particles chip off from the cutting edge, leading to dust pollution on the film. Cutting these films by CO2 laser eliminates dust and tool wear since laser cutting is a non-contact process that does not apply force to the thin film and coating.

Christian Dini, commercial manager – Central & Northern Europe of Luxinar, stated: “We are delighted to present our laser sources at the Laser EMobility Workshop. We have been mastering lasers for over 25 years, making various battery production tasks economically viable with our versatile and precise laser technology.”

Reference: Ali Gökhan Demir: LaserEMobility Workshop 2024 – Lasers are showcased in Munich as key enablers in EV manufacturing, PhotonicsViews 21(3), pp. 54–55

Contact

Luxinar Ltd

Meadow Road, Bridgehead Business Park
Kingston Upon Hull, HU13 0DG
United Kingdom

+44 1482 6500-88

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