东方日升：公司的钙钛矿电池相关技术尚处于实验室阶段

Core Viewpoint - The company is currently in the experimental stage of perovskite battery technology, with plans to launch a high-power version by 2027 [1]. Group 1: Company Developments - The company has a dedicated research team focused on perovskite technology, specifically in the area of tandem solar cells [1]. - The perovskite/silicon heterojunction tandem solar cell developed by the company's global solar research institute has achieved a conversion efficiency of 30.99% [1]. - The company plans to introduce a perovskite tandem solar cell with a power output exceeding 850W by 2027 [1].