Preparation of NiMnFeOx Electrocatalysts for Oxygen Evolution Reaction Using Galvanic Exchange. - Lüsi, Madis; Erikson, Heiki; Piirsoo, Helle-Mai; Kikas, Arvo; Kisand, Vambola; Kukli, Kaupo; Tammeveski, Kaido (Electrocatalysis, 2025)