技术突破！协鑫集成钙钛矿叠层电池认证效率达33.31%

Core Viewpoint - GCL-Poly's GTC perovskite tandem battery technology has achieved a breakthrough with a certified photoelectric conversion efficiency of 33.31%, positioning the company as a leader in the photovoltaic industry amid increasing competition and energy transition demands [1] Group 1: Technological Breakthroughs - The breakthrough is supported by three core advancements: optimization of silicon sub-micron surface, cation mixing strategy for current optimization, and advanced interface technologies for stabilizing crystal boundaries [2] - The company has developed a complete patent system covering device structure, key interface materials, core processes, and testing standards, establishing a significant technological authority in the industry [2] Group 2: Industry Context and Future Goals - The photovoltaic industry is shifting focus from cost reduction to efficiency enhancement, with perovskite-silicon tandem technology being the only known scalable path to exceed 30% efficiency, with a theoretical limit of 45% [1] - GCL-Poly aims to increase efficiency by an additional 3% by 2026, while also achieving production efficiency milestones with TOPCon2.0 and GPC2.0 technologies [3]