An overview of the research and development of solid polymer electrolyte batteries

A review has been given on the history, status and prospect of solid polymer electrolyte and batteries using it. It includes the market trend for solid polymer electrolyte batteries, the background and future prospects of solid polymer electrolyte, and the introduction of film-like solid polymer electrolyte batteries that Yuasa has developed for electronic applications. The introduction includes the performance and safety features of the batteries from the standpoint of the application for electronic devices.