One of the test hulls, which had the electrochemical paint applied in select areas
Marine biofouling is the process in which organisms such as barnacles problematically colonize underwater surfaces. When it happens to the hulls of ships, the vessels become less hydrodynamic, having to burn more fuel in order to move through the water. Although hulls can be coated with paint that kills the offending organisms, that paint also releases toxic substances into the surrounding water. Now, however, scientists from Germany’s Fraunhofer Institute for Mechanics of Materials have developed a more environmentally-friendly paint, that uses electrolysis to control biofouling.