Rohwerder, M.; Isik-Uppenkamp, S.; Chellachamy Anbalagan, A.: Application of the Kelvin probe method for screening the interfacial reactivity of conducting polymer based coatings for corrosion protection. Electrochimica Acta 56 (4), pp. 1889 - 1893 (2011)
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.