Chinese solar manufacturer Longi has released the first detailed technical explanation of how it built the world’s most efficient silicon solar cell. This achievement was first announced in April 2025 and was certified by Germany’s Institute for Solar Energy Research Hamelin (ISFH).
LONGi initially launched these modules in May 2024 with 660 W power, when it also announced achieving 27.3% silicon solar cell efficiency in lab conditions (see LONGi Announces New Lab-Scale Cell Efficiency Record). The updated module efficiency was announced by the Chinese manufacturer at an event in Anhui, China.
Since SunPower set a record of 20.3% efficiency in 2007 using IBC technology, back contact (BC) solar cells have dominated the efficiency rankings. BC technology, known for its high efficiency and compatibility, has achieved eight consecutive world records in crystalline silicon module efficiency over the past 30 years.
Among the Chinese firms, LONGi held the efficiency records for the monocrystalline silicon solar cell (n-HBC) and all-back contact solar (TBC) cell efficiency with 27.30% and 27.0%, respectively, last year (see CPVS Releases China’s Highest Research-Level Solar Cell Efficiencies).
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How the world’s most efficient silicon solar cell reached a record 27.81% efficiency A closer look at the engineering behind the world’s most efficient silicon solar cell.
1 Introduction Since January 1993, Progress in Photovoltaics has published six monthly listings of the highest confirmed efficiencies for a range of …
Trinasolar ’s National Key Laboratory of Photovoltaic Science and Technology has reportedly announced that a large-area 210 × 105 mm² perovskite/crystalline silicon tandem …
Best Research-Cell Efficiency Chart NLR maintains a chart of the highest confirmed conversion efficiencies for research cells for a …
This performance marks the highest efficiency ever measured for a commercial-scale monofacial silicon solar cell. 34.85% efficiency for perovskite tandem cells Longi also set …
1 Introduction Since January 1993, Progress in Photovoltaics has published six monthly listings of the highest confirmed efficiencies for a range of photovoltaic cell and module technologies [1 - 3].
Best Research-Cell Efficiency Chart NLR maintains a chart of the highest confirmed conversion efficiencies for research cells for a range of photovoltaic technologies, plotted from …
Longi said it has achieved a 27.81% efficiency rating for a hybrid interdigitated back contact, as confirmed by Germany’s Institute for …
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).
In the photovoltaic industry, every 1-percentage-point absolute increase in cell efficiency can reduce the cost of electricity by 3–5%. Therefore, overcoming technical …
This performance marks the highest efficiency ever measured for a commercial-scale monofacial silicon solar cell. 34.85% efficiency for …
The HIBC cell, which independently developed through reconstructing the cell structure and material system by the Central Research Institute of LONGi, has achieved a dual …
The HIBC cell, which independently developed through reconstructing the cell structure and material system by the Central …
LONGi claims to have achieved a record solar cell efficiency of 27.81% for its HIBC technology It also announced 24.8% efficiency and …
Leading Chinese solar manufacturer Longi has unveiled a powerful new 670 watt (W) solar panel and announced a new world record for silicon solar cell conversion efficiency. …
LONGi claims to have achieved a record solar cell efficiency of 27.81% for its HIBC technology It also announced 24.8% efficiency and 670 W output for its upgraded Hi-MO 9 …
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