Breakthrough in Nanotechnology: Efficient Cobalt-catalyzed Transfer Hydrogenolysis of Lignin-related Compounds

Research at the National Autonomous University of Mexico (UNAM) has made a significant discovery in the field of nanotechnology, specifically in the synthesis and characterization of cobalt-and zinc-based catalysts for the catalytic transfer hydrogenolysis of lignin-derived molecules. This process is crucial for lignin valorization, a key biomass component, and could potentially improve the efficiency of hydrogen production. The study, led by Maria de la Paz Orta, found that cobalt species, ranging from nanometric to atomic scale, play a critical role in the catalytic activity. The research also evaluated the catalysts for their performance in the catalytic dehydrogenation of formic acid, a key step in hydrogen production.

Key Takeaways:

• The study reports the synthesis and characterization of cobalt-and zinc-based catalysts, demonstrating high efficiency in the catalytic transfer hydrogenolysis of lignin-derived molecules using formic acid as the hydrogen source.
• The materials exhibited different catalytic activities depending on the thermal treatment, with cobalt nanoparticles being primarily observed in the material treated at 800 degrees C.
• The catalysts were also active in hydrogen production and in the hydrogenolysis of model molecules, with nitrogen-coordinated cobalt playing a critical role.
• The research proposes that cobalt species, ranging from nanometric to atomic scale, are responsible for the catalytic activity, with carbon monoxide formation contributing to the reduced activity observed in hydrogenolysis.
• The study has been peer-reviewed and provides new data on the use of cobalt-and zinc-based catalysts in the catalytic transfer hydrogenolysis of lignin-derived molecules.
• The research has significant implications for the development of efficient hydrogen production methods and could potentially improve the efficiency of lignin valorization.

Statistics:

• The research was published in Applied Catalysis A-general in 2025.
• The article was written by Maria de la Paz Orta, Fabian Alarcon-Kenell, Marco Garcia-Corral, Fernando Revilla-Vilchis, and Lazaro Huerta.
• The research was funded by Consejo Nacional de Ciencia y Tecnologia (CONACyT).
• The catalysts were evaluated for their performance in the catalytic dehydrogenation of formic acid, a key step in hydrogen production.
• The study found that carbon monoxide formation contributed to the reduced activity observed in hydrogenolysis.

Sources:

• NewsRx. Findings from National Autonomous University of Mexico (UNAM) Has Provided New Data on Nanoparticles (Efficient Cobalt-catalyzed Transfer Hydrogenolysis of Lignin-related Compounds Using Formic Acid). News of Science. June 1, 2025; p 914.
• Applied Catalysis A-general. Efficient Cobalt-catalyzed Transfer Hydrogenolysis of Lignin-related Compounds Using Formic Acid. 2025;698.