Green hydrogen is poised to become a crucial element in the transition to sustainable energy systems. Researchers at HZB have made significant strides in advancing the effectiveness of catalysts for green hydrogen production using MXene, a versatile material made of carbon and transition metals. By embedding cobalt and iron particles into MXene structures, the team demonstrated a substantial increase in catalytic efficiency for electrolysis processes. In a study published in Advanced Functional Materials, lead author Can Kaplan detailed the successful synthesis of different MXene variants, highlighting the advantages of introducing vanadium vacancies to enhance surface area. Utilizing state-of-the-art techniques like in situ X-ray absorption spectroscopy, the team monitored the behavior of cobalt and iron catalysts during electrolysis, revealing promising results. The integration of MXene as a carrier material for catalytically active particles presents a novel approach with significant industrial implications. The research not only sheds light on the intricate dynamics between carrier structure and catalytic activity but also underscores MXene's potential for driving innovations in affordable and efficient catalyst development. This breakthrough signifies a positive step towards realizing a sustainable and cost-effective green hydrogen production method.