solar panel, Longi, photovoltaics, new technology

Longi launches new back-contact panel with 22,8% efficiency

Longi launches new back-contact solar panel with 22,8% efficiency

solar panel, Longi, photovoltaics, new technology

solar panel, Longi, photovoltaics, new technology

Longi released a series panels which feature a brand new hybrid passivated back-contact cell technology, with which it claims a maximum unit efficiency of 22,8% in mass production. It will initially offer the modules in 54-, 60-, 66- and 72-cell formats, targeting rooftop and distributed generation applications.

Longi's solar panel features back-contact hybrid passivated technology, promising up to 23,8% efficiency.

Longi Solar has released a brand new range of modules and introduced a "hybrid passivated back-contact" cell technology. The new Hi-MO 6 series will initially run in four different formats aimed primarily at rooftop and distributed generation projects and includes products supplied with integrated unit-level electronics. The range will also be available in a range of colors suitable for BIPV applications.

In solar manufacturing, 2022 is largely defined by manufacturers either switching to heterojunction technology (HJT) or upgrading existing PERC capacity to produce tunnel oxide passive contact (TOPCon) cells. By moving into the production of back-contact technology, Longi aims for even higher performance, albeit with a less established technology that is still considered to have huge potential.

Datasheets for the new product range promise module efficiencies of up to 22,3%. In addition, Longi expects to be able to achieve a maximum of 22,8% in the manufacturing sector. And with its new cell technology, the company also expects to gain many of the advantages seen with TOPCon and HJT.

"Units equipped with HPBC cell technology can produce a larger amount of energy in high-temperature, low-radiation conditions and also have superior power degradation performance," the company said. Longi added that its simulations show an average performance increase of up to 10% compared to PERC in typical installation scenarios.

With the Hi-MO 6, Longi is sticking with the 182mm cell format it introduced a few years ago. The units will be offered in 54, 60, 66 and 72 cell formats, with rated power between 410W and 575W.

Artist and Guardian

Along with the new cell technology, Longi is introducing several other module innovations that may attract customers in the rooftop/distributed module segment. One unit in the series named 'Guardian' is to be supplied with integrated level power electronics panels, in the form of Longi's smart optimizer. This enables flexible system design, real-time monitoring and optimization, as well as rapid shutdown capability – an increasing requirement in many rooftop markets.

Another module in the range, marketed under the name 'Artist' will be available in various colors and highly customizable to suit projects intended for buildings. The back-contact technology itself promises improved aesthetics, as modules can be designed with minimal gaps between cells and no channels, creating a smoother appearance.

The range is completed by two more products, the 'Explorer', which will be available with a black backsheet, and the 'Scientist', which aims for the highest possible performance.

All units will come with a 15-year product warranty and a 25-year performance warranty, which specifies a 0,4% annual degradation from year 2 to year 25, leaving the unit with 88,9% of its original performance after 25 years of operation.

Following today's announcement, Longi expects to have the full Hi-MO 6 series in mass production before the end of 2022.

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solar panel, Longi, photovoltaics, new technology,

solar panel, Longi, photovoltaics, new technology,

Longi's solar panel features back-contact hybrid passivated technology, promising up to 23,8% efficiency.

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