Jump directly to main navigation Jump directly to content Jump to sub navigation

Battery production

Energy storage devices such as lithium-ion batteries play a crucial role for the change in mobility and energy transition. In order to optimize the battery production, sensors are required which monitor the production line to the highest accuracy and dynamic. Micro-Epsilon offers reliable sensor technology from high precision distance sensors to infrared temperature measurement technology and 2D/3D profile sensors for multiple measurement tasks.

Inline 3D measurement of welded pouch cells

In battery cell production, precise control of welded pouch cells is crucial for their safety, performance and service life. The thicknessGAUGE 3D enables high-resolution inline inspection of these sensitive components – directly in the…

Learn more
Inline 3D-Messung von geschweißten Pouchzellen

2D/3D geometry inspection of hairpins

Hairpin technology makes it possible to pack wires more densely and thus increase the power and torque in electric motors. During the production of the copper wires, various geometric parameters such as the cross-section of the wire, bending…

Learn more
2D/3D-Geometrieprüfung von Hairpins

Measurement of battery expansion during charging

When the battery is first charged, the battery cell expands. If a critical limit value is exceeded, there is a risk of structural damage or even rupture of the cell. In order to reliably detect this point and stop the charging process in good…

Learn more
Messung der Batterieausdehnung beim Aufladen

Temperature measurement in the coating process of battery film

In battery coating, precise temperature control is crucial for the continuous quality of the coating. Non-contact pyrometers measure the surface temperature of the material continuously and without physical contact – even during rapid belt…

Learn more
Temperaturmessung im Beschichtungsprozess von Batteriefolien

Monitoring the coil unwinding process

Laser distance sensors from the optoNCDT ILR3800 series monitor the winding and unwinding of coils. As the diameter continuously increases or decreases respectively, the distance between the coil and the sensor changes. This change is monitored…

Learn more
Überwachung der Coilabwicklung

Precise measurement of the axial roll runout

In order to enable the guide or coating rolls to operate at the highest precision, the axial roll runout is continuously measured. Eddy current displacement sensors detect the axial movement of the roll by determining the distance to the roll. …

Learn more
Präzise Messung des axialen Walzenschlags

Precise measurement of the bearing gap

Capacitive flat sensors are used to determine the wear of rolls. The roll wear is measured indirectly via the change in the bearing gap of the drive shaft. The capacitive sensors measure continuously and with high precision. As a result, wear is…

Learn more
Präzise Messung des Lagerspalts

Precise control of the roll gap

Battery films are compacted and smoothed in coating lines using calendering technology. Two adjustable rolls ensure that the material mixture is rolled to the specified thickness. The capaNCDT CSG capacitive flat sensors are used for gap…

Learn more
Präzise Regelung des Walzenspalts

Sensor system for thickness measurement of electrode coatings

The combiSENSOR KSB6430 is specially designed for one-sided thickness measurement of electrode coatings. The sensor system detects material thicknesses from 5 µm to 3 mm with sub-micrometer accuracy. The combiSENSOR KSB6430 combines two methods:…

Learn more
Sensorsystem zur Dickenmessung der Elektrodenbeschichtung

Two-sided thickness measurement with capacitive sensors

The capaNCDT 6200 multi-channel measuring system is used for two-sided thickness measurement of coated and uncoated battery films. This allows several sensors to be operated simultaneously, which are mounted opposite each other using a compact…

Learn more
Zweiseitige Dickenmessung mit kapazitiven Sensoren

Offline thickness measuring system for battery film

The capaNCDT TFG6220 measures the thickness of battery film with high precision and is used for quality testing in the form of offline random samples. The TFG6220 is pre-assembled ready for rapid deployment. The thickness is measured by two…

Learn more
Offline-Dickenmesssystem für Batteriefolien

Inline thickness measurement of strip materials

ThicknessGAUGE sensor systems are used for inline thickness measurement of strip materials. These are available with different sensor types, measuring ranges and measuring widths. This allows the thickness of various materials to be measured -…

Learn more
Inline-Dickenmessung von Bandmaterialien

Inline thickness measurement of separator films

In the production of lithium-ion batteries, separator films play a central role in the safety and performance of the cells. These highly specialized films separate the electrodes from each other and prevent internal short circuits, while at the…

Learn more
Inline-Dickenmessung von Separatorfolien

Inline thickness measurement of battery film

The coating of electrode film is one of the decisive process steps for increasing the efficiency of modern batteries. The thinner the films, the higher the performance of the battery. The highest demands on process monitoring must be met: High…

Learn more
Inline-Dickenmessung von Batteriefolie

Battery production: 3D inline testing of binding posts

Precise measurement of the terminals is of crucial importance in the production of batteries. After the binding post, shunt and bridge have been welded, the coplanarity of these three components is checked using the surfaceCONTROL 3500-80 3D…

Learn more
3D-Inlineprüfung von Polklemmen

Process-reliable distinction of black tones in battery production

The production of lithium-ion batteries requires maximum precision. In this ultra-modern manufacturing process, carrier films are combined with an anode and a cathode to form an energy cell. The anode consists of a copper film coated with a…

Learn more

Web edge control of electrode film

During the production of battery cells, electrode and separator films must be guided reliably. Optical optoCONTROL micrometers detect the required edge position for web edge control. Operating several micrometers enables the concurrent detection…

Learn more
Bahnkantenregelung der Elektrodenfolie

Laser sensors for measuring the thickness of the electrode coating

A consistently high quality of the electrode coating is crucial for the production of high-performance battery cells. OptoNCDT laser sensors are used to reliably monitor the thickness. These measure without contact and with high precision –…

Learn more
Dickenmessung der Elektrodenbeschichtung

Coating application on edges

Electrodes must be coated with extreme precision in order to maintain tight manufacturing tolerances. This is why laser scanners from Micro-Epsilon inspect the coating profile on the strip edge which enables the detection of anomalies and…

Learn more
Beschichtungsauftrag an den Kanten

Detection of curved edges after cutting

Films may have curvatures and deformations after longitudinal cutting. In order to detect these deviations reliably, laser profile sensors from Micro-Epsilon are used. Laser scanners measure the profile of the film on the edge in order to…

Learn more
Erfassung der Kantenkrümmung nach dem Schneiden

Measuring the thickness of wet layers

Confocal chromatic sensors from Micro-Epsilon monitor the coating thickness of wet materials. Installing several sensors next to each other enables concurrent determination of the homogeneity of the coating over the complete strip width. Their…

Learn more
Dickenmessung von nassen Schichten

Position control of battery cells

After the battery cells have been assembled, laser scanners from Micro-Epsilon inspect their completeness and position. Therefore, a 3D image is generated which is then compared with the CAD data. As well as profile information in high…

Learn more
Positionskontrolle von Batteriezellen

Inspection of adhesive beading and applied sealants

scanCONTROL laser scanners inspect the presence and dimension of adhesive beading. They are mounted on the dispenser in order to control the quantity applied and the distance from the dispenser. Their high resolution enables them to reliably…

Learn more
Prüfung von Kleberaupen und Dichtmittelauftrag