Development of solid polymer electrolytes based on poly (ethylene oxide) complexed with 2-trifluoromethyl-4, 5-dicyanoimidazole lithium salt and 1-ethyl-3-methylimidazolium bis(tri... by Polu, Anji Reddy, Singh, Pramod K., Kumar, P Siva, Joshi, Girish M, Ramesh, T., Noor, I. M., Madkhli, Aysh Y, Kakroo, Sunanda