Fig. 6: High-temperature insulation properties.
From: Decoupling thermal stability and insulation in dielectric polymers via donor-acceptor rearrangement
Discharge energy density and efficiency versus electric field of PEI and TPEI samples at (a) 150 °C and b 200 °C. Discharge energy density and efficiency versus electric field for TPEI and other polymers (Kapton, FPE, PEI-PSU) at (c) 150 °C and BOPP at 120 °C, (d) 200 °C, and e 250 °C. f Radar chart comparing the key properties of PEI and TPEI. gComparison of discharge energy density (efficiency > 90%) at 200 °C11,12,18,19,25,26,28,48,49,50,51,52,53,54,55,56,57,58 for the TPEI and all-organic polymer dielectrics. h Comparison of maximum discharge energy density at 250 °C11,26,54,58,59 for the TPEI and all-organic polymers. i Fast discharge testing of TPEI (200 °C) and BOPP (120 °C) at 200 MV m−1 and 20 kΩ.
