The INM - Leibniz Institute for New Materials in Saarbrücken, Germany, is an internationally leading center for materials research, a scientific partner to national and international research institutions, and a research and development provider for numerous companies throughout the world. The INM is a member of the Leibniz Association and has about 250 employees. The INM Energy Materials Group explores electrochemical tools for desalination and ion recovery. Expanding from lithium-ions and other precious elements, we now seek a: Ph.D. student (F/M/D) for research on electrochemical rare earth element separation Desired starting date: June 1st, 2025 (or sooner), salary level E13 TV-L 60%, contract limited to three years (with possible extension). Synthesis and characterization of ion-selective electrode materials. Electrochemical desalination experiments. Material characterization and performance benchmarking. Leading efforts related to experimental work, data analysis, and publications. Master’s degree in chemistry, materials science, energy materials, or a related field. Experience with water desalination and electrochemistry. Ability to work as a member of an international, multi-disciplinary team. Excellent communication and writing skills, thorough command of the English language. German language knowledge is very beneficial. An exciting position in a dynamic research team that interacts with leading international researchers and industrial partners. A unique opportunity to research cutting-edge water technologies. Strong support to perform high-quality research and to present and publish your research results (journals, conferences). An interdisciplinary and international workplace with excellent infrastructure. A comprehensive benefits package (flexible working hours, mobile working, company pension scheme).