Methods for safety /986 Stage 1:the onset of overheating 3. Overcharge protection(charging beyond designed voltage) b)Shutdown overcharge additives (irreversible) 0010@* 4.7V -4.5V ~4.7V -4.8V Polymerize at high potential > Different types of shutdown additives and Terminates battery operation their corresponding potential 11Methods for safety Stage 1: the onset of overheating 3. Overcharge protection (charging beyond designed voltage) b) Shutdown overcharge additives (irreversible)  Polymerize at high potential  Terminates battery operation  Different types of shutdown additives and their corresponding potential 11