Catalysts - 46 News by RUB

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Catalysts - 46 News by RUB

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

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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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New Insights into Ammonia Decomposition

How to make hydrogen transportable

10-Oct-2024 - Using ammonia is regarded as a promising method of transporting hydrogen. However, an efficient process is also needed to convert it back into hydrogen and nitrogen. An international research team has gained new insights into the mode of operation of an iron catalyst that can be used to split ...

catalysts iron catalysts ammonia
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Producing Hydrogen and Fertilizer at The Same Time

This new concept could allow the needs of previously separate industries to be combined

17-Jul-2024 - A research team from the University Alliance Ruhr, Germany, has found a catalyst that can be used to convert ammonia into the energy carrier hydrogen and the fertilizer precursor nitrite. The production of hydrogen and the production of fertilizer have so far been separate chemical processes. ...

catalysts ammonia fertilizers
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Novel Catalyst System for CO2 Conversion

Efficiency and long-lasting stability

03-Jan-2024 - Researchers are constantly pushing the limits of technology by breaking new ground in CO2 conversion. Their goal is to turn the harmful greenhouse gas into a valuable resource. Research groups around the world are developing technologies to convert carbon dioxide (CO2) into raw materials for ...

catalysts electrocatalysts carbon dioxide
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Releasing Brakes on Biocatalysis

The new findings could play a role in H2 technologies

01-Dec-2023 - Formaldehyde can inhibit enzymes that produce hydrogen particularly efficiently. Researchers from Bochum have discovered how this can be prevented. Enzymes from microorganisms can produce hydrogen (H2) under certain conditions, which makes them potential biocatalysts for biobased H2 technologies. ...

catalysts biocatalysts biocatalysis
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Tens of thousands of feasible catalysts on the diameter of a hair

Novel methods enable us to produce countless new materials in one step and to analyse them promptly

17-Jan-2023 - When searching for catalysts for the energy transition, materials consisting of at least five elements are considered highly promising. But there are theoretically millions of them – how do we identify the most powerful one? A Bochum-based research team led by Professor Alfred Ludwig, head of the ...

catalysts high-throughput analysis high-throughput methods
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Protecting biocatalysts from oxygen

A genetic modification can make hydrogen-producing enzymes more stable

13-Jan-2023 - Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons – an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their use is that they are destroyed by contact with oxygen. An ...

catalysts biocatalysts electrochemistry
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Cubes outperform spheres as catalyst particles

The shape of nanoparticles is a decisive factor in their efficiency as catalysts for the production of green hydrogen

12-Jan-2023 - To date, nanoparticles as catalysts for green hydrogen have been like rowers in an eight: researchers could only measure their average performance, but couldn’t determine which one was the best. This has now changed following the development of a new method by the group led by Professor Kristina ...

catalysts nanoparticle catalysts electrolysis
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A poison helps to understand H2-producing biocatalysts

The toxic cyanide molecule attacks H2-generating enzymes, but at the same time provides new insights into catalysis

20-Dec-2022 - In nature, enzymes termed hydrogenases are capable of producing molecular hydrogen (H2). Special types of these biocatalysts, so-called [FeFe]-hydrogenases, are extremely efficient and therefore of interest for biobased hydrogen production. Although scientists have learned a lot about how these ...

catalysts biocatalysts catalysis
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A treasure map for the realm of electrocatalysts

Research into promising materials is hampered by the sheer number of possible candidates: An efficient method to solve this problem now developed

17-Jan-2022 - Efficient electrocatalysts, which are needed for the production of green hydrogen, for example, are hidden in materials composed of five or more elements. A team from Ruhr-Universität Bochum (RUB) and the University of Copenhagen has developed an efficient method for identifying promising ...

catalysts electrocatalysts electrocatalysis
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