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The addition of nanoscale metal oxide fillers to polymers has been shown, in many cases, to lead to an improvement in the dielectric breakdown strength and voltage endurance. In this paper, dielectric properties for silica- and alumina-filled polyamideimide (PAI) thin films are reported as a function of particle loading. The dispersion and thermal behavior are quantified. Experiments were also conducted...
Polyethylene oxide (PEO) has been used for several years as an electrolyte solvent in lithium polymer cells. One beneficial quality is its high viscosity, that remains high up to temperatures just short of its solid-state Tm, allowing the production of thin electrolyte layers. PEO batteries are sometimes preferred over lithium ion due to their greater power/weight ratio. PEO is a polar polymer and...
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