LONGi Sets Global Record with 33.9% Tandem Cell Efficiency

Maria Savelieva

Nov 30, 2023

4

min read

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Key takeaways

Record-Breaking Efficiency:

LONGi achieves a groundbreaking 33.9% efficiency for crystalline silicon-perovskite tandem solar cells, setting a new global record.
Surpassing the previous benchmark set by KAUST, this milestone exceeds the long-standing Shockley-Quieser limit in solar technology.

Technological Advancements:

While traditional silicon-based cells approached their efficiency limit, silicon-perovskite tandem cells offer a new surge, potentially reaching 43% efficiency.
This innovative technology is hailed as the key to unlocking unprecedented levels of solar performance.

Official Validation by NREL:

The U.S. National Renewable Energy Laboratory (NREL) officially confirms LONGi's tandem solar cell record.
LONGi has made remarkable progress, advancing from 26.81% efficiency for silicon heterojunction cells a year ago to the current record of 33.9%.

Industry Leadership:

LONGi solidifies its position as an industry leader, setting records on two solar fronts and showcasing expertise in advancing solar efficiency.
This achievement represents a significant leap forward in the solar industry's quest for higher conversion rates.

Embrace Solar's Future with LONGi:

Join the future of solar efficiency with LONGi's groundbreaking technology, setting new standards in the pursuit of sustainable energy solutions.

ONGi, a leading force in solar cell manufacturing, has shattered the world efficiency record for crystalline silicon-perovskite tandem solar cells, hitting an impressive 33.9% conversion rate. This new peak in efficiency not only surpasses the benchmark set by King Abdullah University of Science & Technology (KAUST) earlier this year but also eclipses the infamous Shockley-Quieser limit that's long been the glass ceiling for solar tech.

LONGi Breaks World Efficiency Record: Achieves 33.9% Conversion Rate for Tandem Solar Cells

Source: LONGi sets a new world record of 33.9% for the efficiency of crystalline silicon-perovskite tandem solar cells

For decades, the solar industry has been fine-tuning silicon-based cells, pushing conversion efficiency higher and higher. Yet, as we've inched closer to the Shockley-Quieser mark, a theoretical 33.7% efficiency limit for single-junction hbc solar cells, the progress was slowing to a crawl. However, the introduction of new silicon-perovskite tandem cells has sparked a new surge in the industry, promising efficiency heights of up to 43%. This technology is now seen as the key to unlocking new levels of solar performance.

Solar Industry's Efficiency Revolution: LONGi Shatters Records, Surpassing Shockley-Quieser Limit

The U.S. National Renewable Energy Laboratory (NREL) has officially confirmed LONGi's groundbreaking record in tandem solar cells, marking a notable advance from their previous milestones of 31.8% announced at SNEC 2023 and 33.5% at InterSolar Europe 2023.

This isn't LONGi's first rodeo. Only a year ago, they made waves with 26.81% efficiency for silicon heterojunction cells. With their latest achievement, the manufacturer now secures its spot as a record-setter on two solar fronts and solidifies its status as a heavyweight in solar efficiency.

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