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Longi achieves 34.85% efficiency for two-terminal tandem perovskite solar cell

The result was confirmed by the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL).

Longi claims world’s highest efficiency for silicon solar cells

Longi said it has achieved a 27.81% efficiency rating for a hybrid interdigitated back contact, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).

Longi unveils anti-dust back contact solar module with 24.8% efficiency

Longi has released a back-contact solar module with 24.8% efficiency, featuring a power output of up to 670 W and a temperature coefficient of -0.26% per degree Celsius.

Back contact solar module manufacturing capacity may reach 1 TW by 2030, says tech expert

Radovan Kopecek, an expert on back-contacted (BC) solar cell and module technologies, spoke with pv magazine about BC manufacturing costs, efficiency and technical challenges. He believes that global BC solar module manufacturing capacity could reach 1 TW by 2030, potentially making BC products the industry’s mainstream technology. Kopecek added that 2028 will be a crucial year for its development, as most of the critical patents associated with this module tech will expire.

JinkoSolar sues Longi for TOPCon patent infringement

JinkoSolar has filed a patent infringement lawsuit against Longi over tunnel oxide passivated contact (TOPCon) solar cell technology, with the first hearing scheduled for Feb. 13, 2025.

Top 5 most-read solar stories of 2024

As we enter the new year, look back at 2024’s top 5 most read stories on pv magazine India platform.

Longi unveils heterojunction BC solar cells with 27.3% efficiency

The Chinese manufacturer said the device is based on dense passivating contacts that reduce parasitic light absorption and improve passivation. It used a streamlined manufacturing technique that is reportedly about one-third more effective than TOPCon mainstream technology.

First Solar warns global solar manufacturers of patent infringement

The U.S. solar panel manufacturer has sent letters to Longi, Trina Solar, Jinko Solar, JA Solar and Canadian Solar saying it believes the companies are infringing on its patents.

Softbank, Longi develop 665 g/m2 heterojunction solar modules with 22.2% efficiency

Researchers from the two companies have built a lightweight and flexible silicon heterojunction (HJT) PV panel that measures 563 mm x 584 mm and weighs just 218.5 g.

JinkoSolar, Trina say TOPCon modules outperform p-type back-contact panels

JinkoSolar and Trina Solar have separately reported that on-field testing shows tunnel oxide passivated contact (TOPCon) solar modules outperform p-type back-contact PV modules in monthly power generation.

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