Abstract
Automakers introduce concept cars to wow the public and test acceptance of new design and technology ideas. Chemical makers—among them Evonik Industries, BASF, Teijin, and Saudi Basic Industries Corp.—are increasingly doing the same but not so much for the public. They are spotlighting these cars to impress auto engineers with the advantages of their latest materials. Early last month, Germany’s Evonik brought a replica of its lightweight electric-powered Wind Explorer concept vehicle to New York City at the same time that the New York International Auto Show was in town. The original vehicle made a 3,000-mile journey across Australia on less than $15 worth of electricity. It accomplished this feat in part with high-performance lithium-ion batteries enabled by Evonik’s Separion ceramic separators and its Litarion electrodes. Designers strengthened the low-slung vehicle’s body with Rohacell, a lightweight polymethacrylimide structural foam that is used in wind turbine blades and helicopter rotors. The ...
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