TTopics in Catalysis3/23/2026Retraction Note: Synthesis of Bimetallic Nickel–Cobalt Nanoparticles Supported by Functional Multi-walled Carbon Nanotubes by Chemical Methods: Characterization and Hydrogen Energy GenerationNajmeh Zare·Fatih Sen·Elif Esra Altuner·Hussein Mashkoor·Rima Nour Elhouda Tiri·Fulya Gülbağça·Majede Bijad·Ali Cherif·Fatemeh KarimiRead at Topics in CatalysisTagsElectrocatalysts for Energy ConversionRenewable Energy, Sustainability and the Environment