Longi

Longi releases wafers for TOPCon, heterojunction, back-contact cell tech

Chinese solar module manufacturer Longi Green Energy has unveiled new wafers designed for cell technologies such as tunnel oxide passivated contact (TOPCon), heterojunction (HJT), and back-contact (BC). Wang Yichun, product R&D director for Longi’s wafer division, said that new wafers offer comprehensive platform compatibility, high resistance consistency, and effective impurity absorption as key advantages. The manufacturer said …

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Longi introduces HPBC photovoltaic modules with 22.8% efficiency

Chinese solar module manufacturer Longi has unveiled two new modules based on its proprietary hybrid passivated back contact (HPBC) cell technology. The company has yet to explain exactly what HPBC is, but it is believed to be an extension of p-type interdigitated back-contact (IBC) technology that combines the structural advantages of PERC, TOPCon, and IBC solar. Additionally, BC technology …

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Longi announces 27.09% efficiency for heterojunction back contact solar cell

Chinese solar module manufacturer Longi has achieved a power conversion efficiency of 27.09% for an HBC solar cell. Germany’s Institute for Solar Energy Research (ISFH) has confirmed the result. Longi said the result was enabled through a new laser graphical process that costs less than conventional high-cost photolithography processes. “This substitution has effectively reduced the cost of the BC …

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Longi claims 33.9% efficiency for perovskite-silicon tandem solar cell

Longi said this week that it has achieved a power conversion efficiency of 33.9% for a perovskite-silicon tandem solar cell. The company said that NREL has confirmed the results, which represent a world record for this cell typology. The previous record was held by Saudi Arabia’s King Abdullah University of Science and Technology (KAUST), which achieved a 33.7% efficiency for a …

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Chinese PV Industry Brief: CNMIA, Longi announce lower wafer prices

The Silicon Branch of China Nonferrous Metals Industry Association (CNMIA) has released average selling prices for wafers based on data coming from major suppliers such as Longi, TCL Zhonghuan, Shuangliang, and JinkoSolar among others. The association said n-type wafers are now priced at CNY2.84 ($0.39) per piece, down 5.65% compared to a week earlier. Furthermore, manufacturers are now offering p-type M10 wafers …

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Longi reveals plans to open 5 GW solar module factory in US market

Chinese panel maker Longi Solar and US solar project developer Invenergy have agreed to jointly construct a 5 GW solar panel factory in Pataskala, Ohio, via a newly founded company, Illuminate USA. A press release from Illuminate USA says the plan will cost $220 million. Invenergy said it has invested $600 million in the facility. Illuminate USA says that the …

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Australia’s top 10 solar panel, inverter manufacturers

Research firm Sunwiz has published a list of Australia’s top solar panel and inverter manufacturers, as well as details of buying trends throughout 2022. Sunwiz said that by the end of 2022, leading Chinese manufacturers had managed to regain some of their market share from “premium” brands, after falling sharply from the fourth quarter of 2021 to the first quarter …

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