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. 2010 May;2(5):1286-9.
doi: 10.1021/am100146u.

High-temperature poly(phthalazinone ether ketone) thin films for dielectric energy storage

Jilin Pan, Kun Li, Sunanta Chuayprakong, Tim Hsu, Qing Wang

High-temperature poly(phthalazinone ether ketone) thin films for dielectric energy storage

Jilin Pan et al. ACS Appl Mater Interfaces. 2010 May.

Abstract

The synthesis and characterization of poly(phthalazinone ether ketone) (PPEK) for high-temperature electric energy storage applications is described. It was found that PPEK displayed excellent stability of the dielectric properties over a broad frequency and temperature range. Little change in the breakdown field and discharge time has been observed in PPEK with the increase of temperature up to 190 degrees C. A linear correlation between the AC conductance and the angular frequency implied that the hopping as a dominant conduction process contributed to the dielectric loss. Superior energy densities, remarkable breakdown strengths, and fast discharge speeds have been demonstrated in PPEK at various temperatures.

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