Operando laboratory XAS of Ni nanoparticles in CO2 methanation using a plug-flow fixed-bed cell with von Hámos spectrometer. - Praetz, Sebastian; Dal Molin, Emiliano; Kober, Delf; Tesic, Marko; Schlesiger, Christopher; Kraus, Peter; Müller, Julian T.; Aswin, Jyothilakshmi Ravi; Grötzsch, Daniel; Bekheet, Maged F.; Gili, Albert; Gurlo, Aleksander; et al. (JAAS (Journal of Analytical Atomic Spectrometry), 2026)