Recent progress in flame retardant technology of battery: A review

As one of the most popular research directions, the application safety of battery technology has attracted more and more attention, researchers in academia and industry are making efforts to develop safer flame retardant battery. The battery consists of electrolyte, separator, electrode and shell, the traditional flame retardant method of battery is to modify the components to improve its flame safety. In this review, varied types of battery flame retardant technology are initially described, including the type of flame-retardants, flame retardant behaviors and flame retardant mechanisms. Latest research progress of various battery flame retardant technologies is summarized. Typical flame retardant approaches and important properties of flame retardant battery are reviewed as well. In addition, the current main challenges of the battery flame retardant technology in both academics and the industrial are analyzed carefully. In the end, the perspectives for future development of battery flame retardant technology are briefly discussed.