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DOE/Lawrence Berkeley National Laboratory

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Polysulfates with excellent thermal properties are casted into flexible free-standing films. High-temperature, high-voltage capacitors based on such films show state-of-the-art energy storage properties at 150 oC. Such power capacitors are promising for improving the energy efficiency and reliability of integrated power systems in demanding applications such as electrified transportation.

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Credit: Yi Liu and He (Henry) Li/Berkeley Lab

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