By Christopher A. Sawyer
Despite what you may have read elsewhere, the new energy storage system being touted by Volvo is not an electropolymer made of carbon fiber. It is a sandwich that places thin (< 1 mm) lithium packs and a fiberglass insulator between two sheets of carbon fiber. The packs can act as batteries or super capacitors, and can be formed along with the carbon fiber to different shapes. The panels themselves do not become energized, though their contents (the packs) do.