JinkoSolar's Perovskite Tandem Solar Cell: A Game Changer in Solar Efficiency
AInvestMonday, Jan 6, 2025 4:41 am ET
2min read
JKS --


In a groundbreaking achievement, JinkoSolar, one of the world's leading solar module manufacturers, has set a new record for solar cell efficiency with its perovskite tandem solar cell based on N-type TOPCon technology. The company's latest innovation has achieved an impressive conversion efficiency of 33.84%, surpassing its previous record of 33.24% and marking the 27th time JinkoSolar has set a world record for efficiency and power output in PV products.

The record-breaking perovskite tandem solar cell utilizes JinkoSolar's N-type high-efficiency monocrystalline TOPCon solar cell as the bottom cell, enhanced by significant advancements across multiple key technologies. Innovations such as full-area passivated contact technology, perovskite interfacial defect passivation technology, and bulk defect passivation technology have contributed to the enhanced efficiency of the perovskite/TOPCon tandem cell. These advancements have once again broken the conversion efficiency limit of single-junction crystalline silicon cells, paving the way for new possibilities in the future development of the photovoltaic industry.

As a leading company in the photovoltaic industry, JinkoSolar invests substantial R&D funds annually for technological innovation, continuously building up its patent portfolio and breaking world records in R&D achievements. To date, JinkoSolar has filed over 3,800 global patent applications and has been granted more than 3,500 patents, providing higher efficiency and better value energy solutions to the global solar photovoltaic market with ongoing technological breakthroughs.

Dr. Jin Hao, CTO of JinkoSolar, commented on the milestone breakthrough, stating, "This achievement once again highlights JinkoSolar's determination to continuously explore the limits and strong technological innovation capabilities. It also lays a solid technical foundation for the company's subsequent development. We believe that as we continue to deepen our scientific research and technology, it will also contribute to building a greener and more sustainable new energy structure."



The record-breaking perovskite tandem solar cell employed Jinko's n-type high-efficiency monocrystalline TOPCon solar cell as the bottom cell. Through various materials and technology innovations including ultra-thin poly-Si passivated contact technology, novel light-trapping technology, intermediate recombination layer with high light transmittance and high carrier mobility, and efficient surface passivation technology using hybrid materials, a breakthrough in conversion efficiency for the perovskite/TOPCon tandem solar cell has been achieved. This achievement demonstrates the compatibility of TOPCon as a mainstream solar cell technology with the next-generation perovskite/silicon tandem cell technology, breaking the efficiency limit of single-junction silicon solar cell.

As a leading company in the photovoltaic industry, JinkoSolar invests substantial R&D funds annually for technological innovation, continuously building up its patent numbers and breaking world records in R&D achievements. To date, JinkoSolar has filed over 3,800 global patent applications and has been granted more than 3,500 patents, providing higher efficiency and better value energy solutions to the global solar photovoltaic market with ongoing technological breakthroughs.

Dr. Jin Hao, CTO of JinkoSolar, said, 'This milestone breakthrough once again highlights JinkoSolar's determination to continuously explore the limits and strong technological innovation capabilities. It also lays a solid technical foundation for the company's subsequent development. We believe that as we continue to deepen our scientific research and technology, it will also contribute to building a greener and more sustainable new energy structure.'

In conclusion, JinkoSolar's perovskite tandem solar cell based on N-type TOPCon technology is a significant breakthrough in solar cell efficiency, setting a new record of 33.84% conversion efficiency. This achievement demonstrates the company's commitment to technological innovation and its dedication to building a greener and more sustainable energy future. As the global demand for solar energy continues to grow, JinkoSolar's cutting-edge technology positions it well to capture a larger share of the market and drive the industry forward.
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