Risen Energy Achieves 30.99% Efficiency in Tandem Solar Cells

• Risen Energy achieves a groundbreaking 30.99% efficiency in solar tech, paving the way for powerful, cost-effective, low-carbon solutions by 2027.

China-based Risen Energy has announced a significant breakthrough in solar technology, achieving a power conversion efficiency (PCE) of 30.99% with its perovskite/HJT tandem solar cells. This achievement was verified by the China National Center of Supervision and Inspection on Solar Photovoltaic Products Quality (CPVT). Risen Energy, a leading solar module manufacturer, highlights the advantages of HJT solar cells, particularly their suitability as a base for tandem cells due to their unique structure and features, which make them promising among p-type and n-type single junction solar cells.

Dr. Yang Bochuan, Director of Risen Energy Research Institute, emphasized the company's commitment to advancing HJT technology for mass production of cost-effective, low-carbon solar products. The company plans to deliver perovskite tandem solar cells with a power output of 850W or more by 2027. Additionally, Risen Energy aims to enhance HJT module power to 740W and cell power conversion efficiency to 26.8% by 2025, with a subsequent target of 760W.

How is Risen Energy advancing solar technology with perovskite/HJT tandem cells?

• Innovative Tandem Cell Design: Risen Energy is leveraging the combination of perovskite and heterojunction (HJT) technologies to create tandem solar cells. This design capitalizes on the high efficiency potential of perovskite materials and the stability and low-temperature processing benefits of HJT cells.
• Efficiency Milestone: The company has achieved a power conversion efficiency (PCE) of 30.99%, a significant milestone that positions them at the forefront of solar technology innovation. This efficiency is among the highest reported for tandem solar cells, indicating a promising future for commercial applications.
• Verification and Validation: The efficiency achievement was verified by the China National Center of Supervision and Inspection on Solar Photovoltaic Products Quality (CPVT), lending credibility and validation to Risen Energy's technological advancements.
• HJT Cell Advantages: HJT cells are particularly suitable for tandem applications due to their unique structure, which includes a thin amorphous silicon layer that reduces recombination losses and enhances light absorption. This makes them an ideal base for integrating with perovskite layers.
• Commitment to Mass Production: Risen Energy is focused on advancing HJT technology to enable the mass production of cost-effective and low-carbon solar products. This commitment is part of their broader strategy to make solar energy more accessible and sustainable.
• Future Targets: The company has set ambitious targets for the coming years, including delivering perovskite tandem solar cells with a power output of 850W or more by 2027. They also aim to enhance HJT module power to 740W and cell power conversion efficiency to 26.8% by 2025, with a subsequent target of 760W.
• Research and Development Focus: Under the leadership of Dr. Yang Bochuan, Risen Energy's Research Institute is dedicated to pushing the boundaries of solar technology through continuous research and development efforts. This includes exploring new materials and processes to further improve efficiency and reduce costs.
• Environmental Impact: By advancing perovskite/HJT tandem technology, Risen Energy is contributing to the reduction of carbon emissions associated with solar panel production and operation, aligning with global efforts to combat climate change.
• Industry Leadership: As a leading solar module manufacturer, Risen Energy's advancements in tandem cell technology reinforce their position as an industry leader and innovator, setting new benchmarks for efficiency and performance in the solar sector.