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Fluoropolymer-based film capacitors help advance electronics, medical devices

October 05/2010

(Plasticstoday) -- Strategic Polymer Sciences Inc. (SPS) has received a $1 million grant from the U.S. Dept. of Energy (DOE) to advance the development of its high-performance energy-storage DC bus-film capacitors, using SPS" proprietary high-temperature electroactive polymer (EAP) compositions. Considered a key component in the power management electronics of hybrid and plug-in electric drive vehicles, the current commercial polypropylene (PP) film DC capacitors cannot reliably operate above 105 C, according to SPS. Since EDV engine radiator coolant temperature can go up to 125 C, a secondary cooling system is required, but with SPS EAP film, which are extruded from proprietary blends of oriented fluoropolymers, the temperature stability is greater than 140 C.

According to industry projections, the market for DC bus film capacitors for hybrid and electric drive vehicle power inverters is forecast to be more than $1.6 billion by 2015.

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