Is it good to use laser welding machine for photovoltaic bracket

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Is it good to use laser welding machine for photovoltaic bracket

6 FAQs about [Is it good to use laser welding machine for photovoltaic bracket]

How is laser welding used for metallization and interconnection of solar cells?

Laser welding is used for the metallization and interconnection of solar cells. Figure 21 (Schulte-Huxel et al. 2016) shows the interconnection of two cells using laser welding of Al foil. A glass plate is mounted on top of the foil to keep the aluminum foil flat during the laser welding process, and the laser beam is passed through the plate.

How can laser beam welding reduce processing times?

Using a setup with two beam paths simultaneous soldering of the front and back contacts is possible, which enables process times below three seconds per cell. For future cell concepts laser beam welding allows a decrease of the processing times by a factor of ten compared to soldering.

How a solar cell is laser welded?

A glass plate is mounted on top of the foil to keep the aluminum foil flat during the laser welding process, and the laser beam is passed through the plate. The solar cell interconnection is achieved by the Al foil contacting the rear side which is laser welded to the Ag screen-printed front side metallization of the next cell.

Can laser beam welding be used to weld medical devices?

Laser welding is the safest and the most non-intrusive way to weld medical devices. These devices must be sterile with undistorted dimensions to enhance their functionality. Laser beam welding can meet all these requirements. This welding process can create high-quality seams even in thin materials such as stents and surgical tools.

How does laser technology affect the production of high-quality solar cells?

Laser technology plays a key role in the economical industrial-scale production of high-quality solar cells. Fraunhofer ILT develops industrial laser processes and the requisite mechanical components for a cost-effective solar cell manufacturing process with high process efficiencies.

Why is laser welding important?

Laser welding is essential when joining cells and setting up a full battery assembly. Other examples include plastic car components and subcomponents. This process applies to welding steels for wind turbine towers, bridges or container ships. Furthermore, welding high carbon steels using a laser beam saves cost and energy.

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