29 Aug '16, 2pm

New 3-D Composites Could Help Store Energy for Hybrid and Electric Vehicles

New 3-D Composites Could Help Store Energy for Hybrid and Electric Vehicles

New composites made of polymer and ceramic might help solve major energy-storage problems for electric and hybrid vehicles, researchers say. Polymers are ideal for helping electric and hybrid vehicles store energy in capacitive devices because of their light weight, ability to withstand strong electric fields, mechanical flexibility, and scalability to mass production. However, existing two-dimensional films of a polymer called BOPP cannot stand up to the high temperatures under the hood of a car without considerable additional cooling equipment. This adds to the weight and expense of the vehicles. Previous research looked into 2D films of composites comprising ceramic nanoparticles mixed with polymer. Though this combination yielded higher operating temperatures and charge-discharge efficiencies, there was a significant drawback: a relatively low dielectric constant, or a...

Full article: http://spectrum.ieee.org/cars-that-think/transportation/a...

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