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In June 2019, the Ajayan team at Rice University in the United States developed a layered composite material reinforced with high dielectric, high thermal conductivity, and high temperature resistant aromatic polyamide fibers. The material has a dielectric constant of up to 6.3, a thermal conductivity of up to 2.4 W · m﹣1 · K﹣1, a breakdown strength of up to 292MV · m﹣1, and a Young ’s modulus of 11GPa, which is expected to be used in high temperature energy storage In the device.