Amaia Ortiz de Lejarazu obtained the degree of BSc. in Environmental Sciences from the University of the Basque Country in 2011, and her PhD from the University of Alcalá (2022). She completed her PhD at the Membrane Technology group of IMDEA Water Institute, (thesis title “Anion-exchange membranes from end-of-life reverse osmosis membranes: indirect recycling approach for a circular water sector”), under the direction of Dr. Serena Molina and Dr. Juan Manuel Ortiz. Her research experience is focused on the preparation, modification, and characterization of ion-exchange membranes, and the implementation of the membranes in electrochemical separation processes. During her PhD, she worked as visiting scholar for 3 months at the University KU Leuven (Belgium), as part of the section Process Engineering for Sustainable Systems, under the direction of Prof. Bart van der Bruggen, where she worked in surface modification of ion-exchange membranes. She undertook another short stay of 3 months, at the University NOVA of Lisbon, as part of the section of Chemical and Biochemical Engineering, under the supervision of Prof. Joao G. Crespo, where she implemented the developed ion-exchange membranes in passive electrochemical transport processes.

In 2022, she joined CIC energiGUNE as a postdoctoral researcher in the Advanced Electrolytes and Cells integration group. Currently, her research is focused on the development of ion-exchange membranes and the modification of commercial membranes, aiming at improving their efficiency in redox flow batteries.

Scientific interests

  • Redox-Flow Batteries
  • Ion-exchange membranes
  • Electrochemical energy storage

Scientific career

  • Membrane technology
  • Electrochemistry
  • Material science
  • Synthesis and characterization of ion-exchange membranes


  • Best paper award from the European Membrane Society (EMS).
  • Best communication award from the group of Electrochemistry of the Royal Spanish Society of Chemistry (RSEQ) (ANQUE-ICCE-CIBIQ 2019).
  • PhD fellowship FPI granted by the Spanish Ministry of Economy and Competitiveness.

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