Catalysts - 171 News from the science department from Germany

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Catalysts - 171 News from the science department from Germany

Tip: You can further refine your news selection by organizations and industries.

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Oxygen and chlorine evolution without noble metals

Electrode potential transforms surfaces

19-Dec-2024 - They are highly selective and can be easily separated from the reaction mixture: single-atom catalysts combine the advantages of homogeneous and heterogeneous catalysis. Until now, their production has generally been associated with precious metals that are anchored to a solid substrate. ...

catalysts single-atom catalysts catalysis
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[Fe]-hydrogenase catalysis visualized using para-hydrogen-enhanced nuclear magnetic resonance spectroscopy

Spectroscopic method provides more precise insights into hydrogen conversion

17-Dec-2024 - Microorganisms have long used hydrogen as an energy source. To do this, they rely on hydrogenases that contain metals such as nickel or iron in their catalytic center. In order to use these biocatalysts for hydrogen conversion, researchers around the world are working to understand the details of ...

catalysts biocatalysts catalysis
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Less is more: Why an economical Iridium catalyst works so well

Different chemical environments explored

10-Dec-2024 - Iridium-based catalysts are needed to produce hydrogen using water electrolysis. Now, a team at HZB has shown that the newly developed P2X catalyst, which requires only a quarter of the Iridium, is as efficient and stable over time as the best commercial catalyst. Measurements at BESSY II have ...

catalysts iridium catalysts electrolysis
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Unlocking the Potential of Nickel

New Study Reveals How to use Single Atoms to Turn CO2 into Valuable Chemical Resources

03-Dec-2024 - A study published in Physical Review Letters by the Interface Science Department at the Fritz Haber Institute has unveiled new insights into the electrocatalytic reduction of CO2using nickel-based catalysts. The research, led by Dr. Janis Timoshenko and Prof. Dr. Beatriz Roldán Cuenya, marks a ...

catalysts carbon catalysts CO2
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How catalysts secretly lose their stability

Covalent organic framework compounds are more active as catalysts than one would expect

28-Nov-2024 - Covalent organic frameworks (COFs) are less stable as catalysts than previously thought but remain highly active. COFs are promising designer catalysts, for example for the sustainable production of chemicals and fuels. Their properties can be adjusted very specifically to catalyze a desired ...

catalysts cobalt covalent organic frameworks
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Spin-Powered Crystals: A Breakthrough in Clean Hydrogen Production

"...we've created a catalyst that outperforms traditional materials by a factor of 200"

28-Nov-2024 - Scientists have discovered an exciting new approach to generating clean hydrogen energy using a remarkable class of crystals that harness the quantum properties of electrons. Water splitting — breaking water molecules into hydrogen and oxygen — is a promising pathway to sustainable energy. ...

catalysts bismuth Crystals
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Carbon recycling instead of plastic trash

Iron electrocatalysis breaks down polystyrene and delivers green hydrogen

14-Nov-2024 - Plastics are inescapable in our daily lives. The vast amounts of plastic garbage heaped in landfills and in the environment, however, are as problematic as the plastics are useful. In the journal Angewandte Chemie, a German research team has now introduced a new method for recycling polystyrene ...

catalysts iron catalysts Benzaldehyde
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Mechanism of Cobalt-Manganese Catalysts Deciphered

Combination of different methods was the key to success

22-Oct-2024 - The energy carrier hydrogen can be obtained from water by electrolysis. This works particularly well with Cobalt spinel electrocatalysts containing manganese. However, it was unclear why. Conventional catalysts for hydrogen production via water electrolysis usually contain precious metals and are ...

catalysts electrocatalysts atom probe tomography
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Black Magic for Greener Chemistry

Markus Antonietti receives Arkema Prize from the French Académie des Sciences

21-Oct-2024 - The prestigious 25,000-euro prize recognizes Prof. Markus Antonietti's groundbreaking research in carbon catalysis. He is developing materials with tailored properties for more sustainable chemical synthesis: carbon materials are abundant in nature, consume less energy than metal catalysts, and ...

catalysts carbon catalysts carbon
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Old becomes new - how new chemical products are made from used frying oil

Selective one-pot reaction

18-Oct-2024 - Every year, 119 million tons of used vegetable oil are produced worldwide, mainly from commercial kitchens and restaurants. Only a small proportion of this is reused, for example in the production of fuels such as biodiesel. At the Leibniz Institute for Catalysis in Rostock (LIKAT), PhD student ...

catalysts amines carbon
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