Data for: In situ UV–Vis absorption spectroscopy study of the water electrooxidation on cobalt oxide catalysts

Raw data and processed data shown in figures of the publication titled: "In situ UV–Vis absorption spectroscopy study of the water electrooxidation on cobalt oxide catalysts" https://doi.org/10.1016/j.electacta.2024.145489 by Jia Du a, Joaquín Morales-Santelices a, Omeshwari Yadorao Bisen a b, Denis Antipin a, Dulce M. Morales a c, Marcel Risch a a Nachwuchsgruppe Gestaltung des Sauerstoffentwicklungsmechanismus, Helmholtz–Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner Platz 1, Berlin 14109, Germany b Institute of Materials Physics, University of Göttingen, Friedrich-Hund-Platz 1, Göttingen 37077, Germany c Engineering and Technology Institute Groningen (ENTEG), University of Groningen, Nijenborgh 3, Groningen 9747 AG, The Netherlands