Longi

Longi reveals back-contact PV test results from offshore environments

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Chinese module maker Longi has released the results of a six-month test of its back-contact solar modules deployed in an offshore deep-sea experimental installation. The company stated that the results, covering the January–June 2025 period, were validated by the China National Photovoltaic Product Quality Inspection Center (CPVT). The experimental site, located off the coast of Yantai, a major Chinese

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Longi launches all-black back contact solar panel series

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Chinese PV module maker Longi has debuted its new EcoLife series of solar panels. The EcoLife series features the company’s back contact technology and is billed as a premium lifestyle brand for customers on the residential market “who value quality, independence and lasting impact”. The panels are available in a compact 54-cell format. The series

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

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Chinese solar module manufacturer Longi has revealed it achieved a power conversion efficiency of 34.85% for a two-terminal tandem perovskite solar cell. The U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) certified the result, which represents a world record for this cell typology. The previous record was held by Longi itself, which achieved a 34.6% efficiency for a device

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

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Longi has launched its Hi-MO X10 anti-dust solar panel at the China (Jinan) International Solar Energy Utilization Conference. The new module series uses Longi’s second-generation hybrid passivated back contact (HPBC 2.0) cell technology. It includes seven models, all with a uniform half-cell (6×24) design and dimensions of 2,382 mm × 1,134 mm × 30 mm.

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Longi unveils heterojunction BC solar cells with 27.3% efficiency

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Chinese solar module manufacturer Longi has developed a heterojunction back contact (BC) solar cell using a laser-enhanced contact optimization process that reportedly has a total effective processing time of about one-third compared to that of mainstream technologies such as PERC and TOPCon. The design of the device was presented in the scientific paper “Silicon heterojunction back-contact solar

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Longi reveals details of 27.09%-efficient heterojunction back contact solar cell

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A group of scientists from Chinese solar module maker Longi has described in a new scientific paper the 27.09%-efficient heterojunction back contact (HBC) solar cell it unveiled in December 2023. At the time, Longi only said the result was enabled through a new laser graphical process that costs less than conventional high-cost photolithography processes, without providing further

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Longi introduces 665 W HPBC photovoltaic modules

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Chinese solar module maker Longi has unveiled today its latest solar modules at a press event at the ATP Masters in Shanghai. The Hi-Mo X10 module series is based on Longi’s proprietary 2nd generation hybrid passivated back contact (HPBC2.0) cell technology and has a power conversion efficiency of up to 24.8%. The modules are available in four versions with

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Longi achieves 34.6% efficiency for two-terminal tandem perovskite solar cell prototype

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Chinese solar module manufacturer Longi has revealed it achieved a power conversion efficiency of 34.6% in two-terminal tandem perovskite solar cell prototype devices. “Currently, the two-terminal tandem prototype devices developed by Longi’s tandem team have been authoritatively certified with a record efficiency of 34.6%,” the manufacturer said, without providing more technical details. “The commercial-sized two-terminal tandem cells

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Longi claims 34.6% efficiency for perovskite-silicon tandem solar cell

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Longi said today at the SNEC tradeshow in Shanghai, China, that it has achieved a power conversion efficiency of 34.6% for a perovskite-silicon tandem solar cell. The European Solar Test Installation (ESTI) has certified the results, which represent a world record for this cell typology. The previous record was held by Longi itself, which achieved an efficiency of

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Longi presents 24.4%-efficient 660 W HPBC solar panel

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Chinese solar module manufacturer Longi has unveiled a new module series based on its proprietary hybrid passivated back contact (HPBC) cell technology. “Longi’s first-generation BC products were primarily positioned for the rooftop market, but the second generation of BC is entirely different,” the company said in a statement. “The Hi-MO 9 panel is mainly positioned for the ground-mounted utility

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