milan米兰体育官方网站 laser processing solutions are able to quickly resolve issues in the lithium-ion battery manufacturing process, contributing significantly to productivity improvements and cost reductions.
Applications and benefits for manufacturing process
Square LiB manufacturing process
① Electrode cutting
| milan米兰体育官方网站 | Ultra-fast modulated fimilan米兰体育官方网站 (model No.: FEC1000S-7-SP) |
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| milan米兰体育官方网站 | milan米兰体育官方网站, aluminum foil, active material coated milan米兰体育官方网站 |
- Ultra-fast modulated fimilan米兰体育官方网站s can significantly reduce heat-affected zones on metal foil and active material layers, reducing the adhesion of metal lumps on end faces and metal foil surface exposure.
- High-speed, sharp cutting is possible regardless of the presence of active materials.
② Lamination ③ Current collector welding
| milan米兰体育官方网站 | [A] Blue-IR hybrid laser [B] Fimilan米兰体育官方网站 (model No.: FEC1500S) + beam mode control |
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| milan米兰体育官方网站 | Laminated milan米兰体育官方网站 + tab lead (copper plate), welding possible for up to 50 sheets of milan米兰体育官方网站 |
- Stable heat input control is realized using the high optical absorption rate of blue laser for copper.
- High-quality lamination welding which suppresses spatter and blowhole formation when laminating 50 sheets of milan米兰体育官方网站 and welding copper plate has been realized.
- Processing with the Blue-IR hybrid laser realizes high-quality welding with virtually no welding defects on the surface of, or inside material.
- Combining a high-brightness fiber laser and beam profile control has made it possible to achieve both stability and penetration for the lamination welding of 50 sheets of milan米兰体育官方网站.
④ Sealing (aluminum)
| milan米兰体育官方网站 | milan米兰体育官方网站 (model No.: FEC4000M) + beam mode control |
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| milan米兰体育官方网站 | Aluminum package |
- Even for the lap milan米兰体育官方网站 aluminum, which is considered prone to blowholes (cavities inside welded sections) due to its low melting point, stable welding is possible in combination with beam profile control.
⑤ Modularization
| milan米兰体育官方网站 | Fimilan米兰体育官方网站 (model No.: FEC1500S, etc.) + beam mode control |
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| milan米兰体育官方网站 | Copper bus bar, aluminum bus bar, copper-aluminum composite clad material |
- High aspect ratio processing is realized with a high-brightness fimilan米兰体育官方网站.
- High-reliability welding is realized by processing with both high depth and high quality.
- Blowhole (cavities inside welded sections) formation is suppressed and high-reliability welding is realized even for the milan米兰体育官方网站 the dissimilar materials aluminum and copper.
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