Rohwerder, M.; Frankel, G. S.; Leblanc, P.; Stratmann, M.: Application of scanning Kelvin probe in corrosion science. In: Methods for Corrosion Science and Engineering, pp. 605 - 648 (Eds. Marcus, P.; Mansfeld , F.). Marcel Dekker, New York, USA (2006)
Scientists at the Max Planck Institute for Sustainable Materials have developed a carbon-free, energy-saving method to extract nickel for batteries, magnets and stainless steel.