Abstract: Perovskite solar cells are currently a research hotspot in the field of solar cells,and how to improve their conversion efficiency has become a focal point for industrial investment and market attention. Based on the China Patent Abstract Database （CNABS）,this paper retrieves patents related to high-efficiency perovskite solar cell technologies in China and analyzes the basic status of patent applications and major innovation entities in conjunction with mainstream technologies for enhancing perovskite solar cells. The patent status and the development trends of the industry are expounded,and corresponding suggestions are proposed for the development of high-efficiency perovskite solar cells in China.

Key words: perovskite, solar cell, photovoltaic, high-efficiency