fig3

Figure 3. Physical and chemical properties of separators: (A) Thermal gravimetric analysis (TGA) curves of PP, PP-PEO_60w(EO:Li⁺ = 8:1), PP-PCL_5w and PP-blended PEO_60w/PCL_5w separators; (B) Thermal shrinkage of PP, PP-PEO_60w (EO:Li⁺ = 8:1) and PP-blended PEO_60w/PCL_5w separators exposed at 120 °C for 1 h; Liquid electrolyte contact angles of PP separator (C) and PP-blended PEO_60w/PCL_5w separator (D).