Effect of different contents of organic-inorganic hybrid particles poly(methyl methacrylate)ZrO2 on the properties of poly(vinylidene fluoride-hexafluoroprolene)-based composite gel polymer electrolytes

Coulombic efficiency and cycle plots of the LiCoO2/CPE-5/Li coin cell at different rates, the inserts are SEM images of the CPE membranes and the digital photos of the CPE-x membranes (x = 0, 3, 5 and 8 wt %) before (A) and after (B) thermal exposure at 160 °C for 1 h.362