Hydrogen: Breakthrough in alkaline membrane electrolyzers

31-Oct-2024 - A team from the Technical University of Berlin, HZB, IMTEK (University of Freiburg) and Siemens Energy has succeeded in developing an alkaline membrane electrolyzer that comes close to the performance of established PEM electrolyzers. The special feature: The anode catalyst consists of ...

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 ...

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 ...

Sustainable chemistry: Researchers develop method to reduce carbon footprint of chemical industry

An efficient way to hydrogenate nitrogen-containing aromatic compounds

09-Oct-2024 - Successful reduction of the chemical manufacturing industry’s environmental impact relies on finding a greener way to make the chemical building blocks for common and massively consumed compounds. It’s no secret manufacturing processes have some of the most impactful and intense effects on the ...

Evonik is driving forward the green transformation with electrodialysis

Electrochemical process converts salts into valuable raw materials

24-Sep-2024 - Evonik is researching to make electrodialysis available on an industrial scale for the green transformation of the chemical industry. Scientists anticipate improved access to key raw materials on a circular basis and simpler and more efficient processes that require fewer raw materials. With the ...

Sunfire builds 100-megawatt-electrolyzer for RWE

Strong signal for green hydrogen in industry

13-Sep-2024 - Sunfire has been awarded a major contract for a 100 megawatt (MW) pressurized alkaline electrolyzer at RWE’s hydrogen site in Lingen. The expanded collaboration underscores Sunfire's position as a key partner for the implementation of large-scale projects, making a significant contribution to the ...

Green hydrogen: MXenes shows talent as catalyst for oxygen evolution

Catalysts based on MXenes are more stable and efficient than conventional catalysts: Investigations are now revealing the reasons for this

12-Sep-2024 - The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalised, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitting. They are more stable and efficient than the ...

Technology start-up AMBARtec successful in practical test with iron oxide-based hydrogen storage system

Test operation demonstrates the efficiency, safety and durability of AMBARtec's H2 storage systems

11-Sep-2024 - AMBARtec AG has successfully completed and evaluated the multi-month field test of its H2compact 100 iron oxide-based hydrogen (H2 ) storage system. The results confirm the excellent energy balance of the entire process, from H2 production to storage charging and hydrogen discharge. By an optimal ...

Alcohol as a storage medium

Power-to-methanol could become a mainstay of the energy transition

26-Aug-2024 - Efficient storage technologies are a key pillar of a renewable energy system for temporarily storing surplus electricity. Methanol could play an important role in this context. The big question here is how such power-to-methanol systems can be integrated into a future renewables infrastructure ...

Making PEM electrolysis cost-efficient and scalable

Carbon-based bipolar plates have the potential to replace titanium bipolar plates in the electrolysis stack

05-Aug-2024 - Proton exchange membrane electrolysis is considered the most promising way to produce green hydrogen. However, it is still not very economical at the moment. One reason: One of its key components – the bipolar plate – is usually made of titanium. The metal impresses with its corrosion resistance ...