WANG Yanxiang, YANG Jinfang, FAN Xueyun, LI Jiake, GUO Pingchun, HUANG Liqun, SUN Jian

(Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China)

Abstract: Dye-sensitized solar cells have been widely studied due to their simple structures, low production cost, high efficiency, variable colors and transparency. In DSSCs, electrolyte is one of the most important parts for regeneration of dye molecules and carrier transportation, influencing internal electronic transmission, dye regeneration, photoelectric conversion efficiency and long-term stability of the devices. The volatilization and leakage of organic solvents in the liquid electrolyte shorten the cell life and limit the development of DSSCs. Solid electrolytes overcome these limitations and ensure high efficiency, thus leading to long-term stability of the battery and hence possible industrialization. Here, we will introduce the basic structure and working principle of DSSCs, summarize the development status of solid electrolytes and the advantages and disadvantages of different solid electrolyte, and finally provide with an insight on the future of the solid electrolytes in DSSCs.
Key words: dye-sensitized solar cells; electrolyte; solid-state