Electrode Coating - Dürr

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Electrode Coating

High-quality electrodes form the basis for high-performance batteries. Dürr offers complete packages for electrode coating. Our portfolio includes efficient solutions for both wet and dry coating.

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Solutions for lithium-ion battery manufacturing

Simultaneous Two-Sided Coating

Simultaneous coater

The simultaneous two-sided coating X.Cellify SC is characterized by a straight-path product flow and a single coating station. This unique process provides benefits such as a smaller overall manufacturing footprint and no edge curl after drying, and consists of a slot-die coating on a backing roll immediately followed by a tensioned-web slot-die coating to coat both sides of the foil in one pass. An air flotation dryer enables simultaneous two-sided coating as the foil is running through a non-contact drying process.

Tandem Coating

tandem coater illustration

The tandem coating X.Cellify TC is based on mature technology with only one, straightforward coating process taking place. Tandem coating is less sensitive to foil quality and thus optimized for large foil widths. The process is characterized by a slot die coating on a backing roll to coat one side at a time. This is more common for high volume manufacturing. Either roll support or flotation drying can be used which provides some flexibility to the customer.

Specifications

Coat weight	70-300g/m2 dry
Coat weight precision	< +/- 1%
Sharp edges	< 3mm
Dimensions & register	+/- 0.5mm

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