Composite material in Class A surface body panels: integrated energy storage

HC Plastics News:

In order to develop composite body panels that can store and release energy like batteries, the STORAGE project (2010-2013), led by the British Imperial College (London, UK) and Volvo Car Company (Göteborg, Sweden), shows the adoption of super A structural supercapacitor roof and trunk lid made of capacitor laminate that reduces weight by 60% compared to existing components.

This rechargeable panel includes multiple layers of carbon fiber/epoxy insulated by fiberglass inserts.

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These parts were made using MTM47 non-autoclave curing prepreg from Solvay Specialty Polymers (Woodland Park, NJ).

To achieve efficient energy conversion, various material methods have been studied, including carbon aerogel strengthening of carbon fibers and multifunctional substrates (for example, 50% by weight epoxy resin and ionic lithium salt solution).

Volvo claims that the panel can power the 12V electrical system of its S80 hybrid demonstration vehicle.

The project's member Swerea SICOMP (Pite, Sweden) led a patent application for carbon fiber batteries.

At the same time, the number of models equipped with photovoltaic solar panels on the roof is also increasing.

“For years, the military has been developing panels and embedded solar panels,” said Gary Lownsdale, general manager of Trans Tech International (Loudon, Tennessee). “Mixed composites once again offer many opportunities, such as adding carbon. Nanotubes and other carbon nanomaterials. Embedding flexible circuits in body panels is also an attractive development because you can eliminate harnesses and simplify supply chains and assembly."

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