Energy storage pi hot pressing film

Is pmia based composite film suitable for high-temperature energy storage?

PMIA-based composite film for high-temperature energy storage is reported. Electrospinning evenly disperse fillers and hot-pressing consolidate the structure. High-temperature stable hydrogen bonding network is observed. Decoupling enhancements of ɛr and Eb are realized by H-bonds. At 150 °C, the 1.0 wt% film shows a Ue of 5.15 J/cm 3 at η > 90 %.

Do pi Fibers improve high-temperature energy storage performance?

The test results show that PI fibers can greatly increase the high-temperature breakdown strength and thus improve the high-temperature energy storage performance of the composite dielectric. 5 vol% PI@PEI composite has the best energy storage characteristics, but its high-temperature energy storage efficiency is relatively low.

What is the energy storage performance of FPI composite?

The resultant FPI composite demonstrates outstanding high-temperature energy storage performance at 150 °C, e.g. 0.1 wt% film exhibits an energy density of 8.6 J/cm 3 with an efficiency of 91.2 % at 475 MV/m.

Do coated Pi films have high field energy storage performance at 175 °C?

We then explored the high field energy storage performance of coated PI films at 175 ℃ using the electric displacement–electric field loop (DE loop) method.

What are the properties of Pani-HNT/Pi films at 100 Hz?

Among these, at 100 Hz, the PANI-HNT/PI films attained a maximum ε r of 17.3, while the dielectric loss was only 0.2. Notably, the prepared composite has high breakdown strength (>110.4 kV mm −1), and a maximum discharge energy density of 0.93 J cm −3; these properties could still be maintained at temperatures ≤300°C .

What is the energy storage capacity of 0.1 wt% composite film?

The 0.1 wt% composite film maintains outstanding high-temperature energy storage capability at 150 °C, e.g. the energy density of 8.6 J/cm 3 with the charge-discharge efficiency of 91.2 % at 475 MV/m.