Lithium Battery Anode Tab Laser Cleaning Machine

In the lithium battery manufacturing process, before welding the tabs, it is necessary to clean the coating on the region of the tabs to be welded. The methods of removing the coating mainly include mechanical scraping, styrofoam and laser cleaning. Among them, the mechanical scraping method is easy to damage the pole pieces, and it is difficult to ensure that the coating is cleaned; the styrofoam method has more processes, high production costs, and is not suitable for anode water-based slurry. Because laser cleaning has the advantages of green, high efficiency, good cleaning effect, and less damage to copper foil, laser cleaning of anode pole pieces is receiving more and more attention.

Laser cleaning is recognized as a preferred method for removing the coating film on the front and back of the anode electrode of a lithium battery, leaving the copper foil exposed for direct tab welding in the subsequent process.

                  Lithium Battery Anode Tab Laser Cleaning 

ZJ-CM100-LC fiber laser cleaning machine using high-efficiency short-pulse fiber laser as the laser source, high-speed, real-time and high-precision synchronous control is carried out through galvanometer and laser, and then the pulse width, power, frequency, scanning speed, line spacing and other parameters of laser cleaning are fully optimized. Meet the requirements for cleaning the anode tabs of lithium batteries.

Features of laser cleaning machine for anode tabs of lithium batteries

1.High cleaning efficiency

Single station efficiency>15 PPM ← Fully optimized laser cleaning process + high-speed and high-precision tape positioning control;

2. Good cleaning quality

Residues and pinholes <0.10mm ← fully optimized laser cleaning process + simulation optimized dust removal system;

3. Dimensional accuracy

Slot size error <0.15 mm← up to 0.5μs laser galvanometer control time synchronization accuracy.

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