Research Progresses of Liquid Electrolytes in Lithium-Ion Batteries

In recent years, the rapid development of modern society is calling for advanced energy storage to meet the growing demands of energy supply and generation. As one of the most promising energy storage systems, secondary batteries are attracting much attention. The electrolyte is an important part of the secondary battery, and its composition is closely related to the electrochemical performance of the secondary batteries. Lithium-ion battery electrolyte is mainly composed of solvents, additives, and lithium salts, which are prepared according to specific proportions under certain conditions and according to the needs of characteristics. This review analyzes the advantages and current problems of the liquid electrolytes in lithium-ion batteries (LIBs) from the mechanism of action and failure mechanism, summarizes the research progress of solvents, lithium salts, and additives, analyzes the future trends and requirements of lithium-ion battery electrolytes, and points out the emerging opportunities in advanced lithium-ion battery electrolytes development.

Automated summary

With the rapid development of modern society, there is an increasing demand for advanced energy storage solutions to meet the growing energy supply and generation needs. Among the various possibilities, secondary batteries, especially lithium-ion batteries, have gained significant attention. The electrolyte is a crucial component of lithium-ion batteries and plays a vital role in their electrochemical performance. This review examines the advantages and challenges associated with liquid electrolytes in lithium-ion batteries, provides an overview of the progress in solvents, lithium salts, and additives, discusses future trends and requirements of lithium-ion battery electrolytes, and highlights emerging opportunities in advanced electrolyte development.