On July 14, at the 2026 Photovoltaic & Storage Innovation Technology Launch Event, LONGi Green Energy officially announced that, as certified by the European Solar Test Installation (ESTI), the conversion efficiency of its self-developed crystalline-silicon–perovskite tandem solar cell has reached 35.5%, setting a new world record once again.

7月14日，在2026光储创新技术发布会上，隆基绿能正式宣布：经欧洲太阳能测试机构（ESTI）权威认证，公司自主研发的晶硅-钙钛矿叠层太阳电池转换效率达到35.5%，再次刷新世界纪录。

As the mainstream technology route for next-generation ultra-high-efficiency solar cells, crystalline-silicon–perovskite tandem cells have a theoretical limiting efficiency as high as 43%, far exceeding the Shockley–Queisser (SQ) limiting efficiency of single-junction solar cells (33.7%). Through its sustained drive to overcome core technical challenges, LONGi's tandem-cell team raised efficiency to 33.9% in November 2023 and further reached 34.6% in June 2024. In less than a year since then, the team achieved consecutive breakthroughs—from 34.85% and 35.2% to 35.5%—fully demonstrating the R&D prowess and spirit of exploration of LONGi Central R&D Institute.

晶硅-钙钛矿叠层太阳电池作为下一代超高效太阳电池的主流技术路线，其理论极限效率高达43%，远超单结太阳电池的SQ极限效率（33.7%）。隆基叠层电池团队在持续的技术攻坚中，于2023年11月将效率提升至33.9%，2024年6月进一步达到34.6%。此后不到一年的时间里，团队接连取得突破，从34.85%、35.2%，到35.5%，充分展现了隆基中央研究院的科研实力和探索精神。

This May, the efficiency (35.2%) of the two-terminal tandem cell independently developed by LONGi was included in the 68th edition of the "Solar Cell Efficiency Tables" released by the team of Professor Martin Green at the University of New South Wales, Australia, making it a representative high-level achievement for this technology route at the time. Meanwhile, under conditions closer to commercial-scale dimensions, LONGi achieved conversion efficiencies of 34.3% (261 cm²) and 32.2% (274 cm²) respectively, demonstrating the promising commercialization prospects of the tandem technology. In addition, the 31.4% and 29.4% conversion efficiencies achieved by LONGi for tandem modules were both independently certified by internationally authoritative institutions and included in the efficiency tables, laying a solid foundation for the translation of crystalline-silicon–perovskite tandem technology from the laboratory to industrial application.

今年5月，隆基自主研发的晶硅-钙钛矿两端叠层电池效率（35.2%），被澳大利亚新南威尔士大学马丁·格林教授团队发布的第68版《太阳能电池效率表》收录，成为当时该技术路线的代表性高水平成果。同时，在更接近产业化尺寸条件下，隆基分别实现34.3%（261cm²）和32.2%（274cm²）的转换效率，显示出叠层技术良好的产业化前景。此外，隆基在叠层组件方面实现的31.4%及29.4%转换效率，均经国际权威机构独立认证并被效率表收录，为晶硅-钙钛矿叠层技术从实验室走向产业化应用夯实基础。

Relying on its leading technological innovation capability, LONGi has built a tiered R&D system of "mass-produce one generation, develop one generation, and reserve one generation," continuously advancing technological breakthroughs and high-quality development in clean energy. Looking ahead, LONGi will remain anchored to technology leadership and, with its continuously iterating breakthrough results, contribute the innovative strength of a Chinese enterprise to the global energy transition.

依托领先的技术创新能力，隆基构建了"量产一代、研发一代、储备一代"的梯队式研发体系，持续推进清洁能源的技术突破与高质量发展。面向未来，隆基将继续锚定技术引领，以持续迭代的突破性成果，为全球能源转型贡献中国企业的创新力量。