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GWELL 0BB Zero Busbar Solar Cell Film Machine


What is  0BB Zero Busbar Solar Cell?

As the N-type technology has undergone significant changes in the solar energy industry, heterojunction (HJT) technology has made significant progress over the past few years. Recent data projections indicate that HJT capacity will exceed 60GW by 2024. 

In this dynamic environment, some companies have unveiled its latest innovation in high-efficiency modules, featuring groundbreaking zero busbar (0BB) technology.

0BB modules employ welding before lamination, which offers benefits including reliable soldering, reduced contact resistance, enhanced resistance to hot spots, lower hot-spot temperature, and higher module reliability. Additionally, the design reduces metal shadowing area on the rear side, expanding the light-receiving area and achieving bifaciality of up to 90%.

The 0BB technology supports the trend towards thinner silicon wafers by providing higher reliability with no main grid, thinner ribbons, minimal stress, and lower fragmentation rates.

As a result, GWELL has launched a new solar film extrusion line for 0BB technology.

In our Nantong Factory, there is one finished 0BB cell film extrusion line. This production line is specially designed and is open for visiting.

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