1. Research and development of processes and materials for perovskite stacked batteries and modules; 2. Improve the efficiency and stability of perovskite stacked batteries and modules; 3. Develop research and development plans, and address mechanism and technical issues during the research and development process; 4. Develop innovative methods and materials for preparing perovskite batteries; 5. Application for scientific research projects, layout and application of patents. Job requirements: 1. Have good physical and mental health, abide by the Constitution and laws of the People's Republic of China, possess good civic awareness and professional ethics; 2. Doctoral degree in materials, chemistry, electronics, and other related fields; 3. Possess the ability to independently carry out research and development work and lead research and development teams, proficient in the preparation, characterization, and data analysis of perovskite photovoltaic devices, and other related work; 4. Priority given to those with research experience in stacked batteries; 5. Have a strong interest and enthusiasm for the industrialization of perovskite technology.