Fig. 6: Energy-storage properties tests of different films. | Nature Communications

Fig. 6: Energy-storage properties tests of different films.

From: Synthesis of crystalline polyamide for synergistically strengthening anticorrelated mechanical property and high-temperature capacitive energy storage

Fig. 6

a–c Photographs of PI, PABI, and PTFMB films and corresponding solutions. d Calculated optical energy gaps of PI, PABI, and PTFMB films based on UV–vis results. e Weibull distribution of breakdown strength of PTFMB films at different annealing temperatures. f Weibull distribution of breakdown strength of PI, PABI, and PTFMB films at 150 °C. g Dielectric constant and loss (tanδ) at 150 °C of PI, PABI and PTFMB films. h Dielectric loss at 150 °C and 100 Hz of PI, PABI, and PTFMB films. i Discharged energy density (Ud) and efficiency (η) at 150 °C of PI, PABI, and PTFMB films. j D-E curves at 350 MV/m and 150 °C. k The maximum discharged energy density with efficiency above 90% (Uη90) and the maximum discharged energy density (Umax) at 150 °C of PI, PABI and PTFMB films. l Comparison of discharged energy density at 150 °C with efficiency above 90% and Young’s Modulus among this work and reported high-temperature dielectric polymer films2,59,60,61,63,64,65,66,67.

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