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Longi launches 590 W TOPCon solar panel with 22.8% efficiency – pv magazine International


The brand new sequence is available in seven variations, with energy outputs between 560 W and 590 W.

Chinese language photo voltaic module maker Longi unveiled this week its new Hello-Mo 7 PV module for large-scale and C&I functions on the SNEC tradeshow in Shanghai, China.

The producer stated that the brand new product relies on tunnel oxide passivated contact (TOPCon) cells, M10 wafers and high-performance hybrid passivity (HPDC) twin junction expertise.

“The rear facet of the cell options excessive and low junctions, optimized movie design, and superior deposition strategies to realize distinctive full-area passivation with minimal parasitic absorption,” the corporate defined. “On the entrance facet, the cell is utilized with a neighborhood low resistance contact layer that improves the effectivity of the cell. As well as, the back and front sides embody upgraded antireflection and low-recombination movies, in addition to metallization options, for superior efficiency.

The brand new product measures 2,278 mm x 1,134 mm x 30 mm and weighs 31.8 kg. It options 2.0 mm twin glass, an anodized aluminum body, and an IP68 ranking. The temperature coefficient is -0.28% per C.

The brand new sequence is available in seven variations, with energy outputs between 560 W and 590 W. The facility conversion effectivity ranges between 21.7% and 22.8%. The open-circuit voltage is from 50.89 V to 51.63 V and the short-circuit present is between 13.89 A and 14.1 38.

The panels can be utilized in PV methods with a most voltage of 1,500 V. The corporate presents a 12-year product guarantee and a 30-year energy output guarantee for 88.18% of the preliminary yield .

“Longi’s industry-leading product life cycle requirements additionally assure the reliability of the Hello-MO 7. The Hello-MO 7 successfully ensures its reliability all through its life cycle with optimized design similar to high-quality monocrystalline silicon wafers, personalized cell paste, optimized module encapsulation movie system, SMBB high-precision interconnection, and high-reliability automated welding of junction bins,” stated the producer.

“Using digitalized manufacturing and high quality management platforms, particularly clever AI detection expertise, additional ensures the product high quality of Hello-MO 7. Subsequently, Hello-MO 7 supplies a linear energy guarantee that doesn’t exceed 0.38% , bringing prospects sturdy worth and environment friendly returns past expectations,” it added.

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