The National Research Council of Science & Technology reports that 137 countries globally have committed to a net-zero climate change agreement by 2050, emphasizing the need to transition away from fossil fuels. Hydrogen, particularly green hydrogen, is emerging as a promising energy source due to its zero carbon emissions when utilized. To address the challenges in green hydrogen production, a research team in South Korea led by Dr. Albert Sung Soo Lee has developed a breakthrough molybdenum-based MXene catalyst. This new catalyst is designed to be stable under high oxidative conditions, making it ideal for electrolysis in green hydrogen production. By utilizing molybdenum-based MXene as a support material, the team successfully enhanced the efficiency of hydrogen production by 2.45 times and improved the durability significantly, surpassing traditional titanium-based catalysts. The use of MXene as a catalyst support is crucial due to its nanoscale properties, providing a larger surface area for the reaction. The team's innovative approach of creating strong chemical bonds between molybdenum atoms and active materials like cobalt has paved the way for cost-effective green hydrogen production. This advancement is expected to impact large-scale hydrogen production plants and green hydrogen power stations in the future. Dr. Lee expressed optimism about the future of hydrogen-based economies and emphasized the team's commitment to further developing efficient and durable oxygen-generating electrode catalysts. This research demonstrates a significant step towards revolutionizing green hydrogen production and contributing to a sustainable energy transition.