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Stable Catalysts for New Energy

Crucial new technologies such as hydrogen production or carbon capture require new catalysts. Experiments show: It's not just the material that matters, but also its atomic surface structure

26-Nov-2020

On the way to a CO2-neutral economy, we need to perfect a whole range of technologies - including the electrochemical extraction of hydrogen from water, fuel cells, or carbon capture. All these technologies have one thing in common: they only work if suitable catalysts are used. For many years, ...

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Molecular telegraphy

Precisely sending and receiving single molecules

23-Nov-2020

Researchers of the University of Graz, Austria, managed to send single molecules to a distant location and receive them from there. The study appears as the cover story in the current issue of the magazine Science. The idea of throwing and catching a ball is familiar to everyone. Now, if the ball ...

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Old Mystery Solved: a "New Kind of Electrons"

Why do certain materials emit electrons with a very specific energy?

20-Nov-2020

It is something quite common in physics: electrons leave a certain material, they fly away and then they are measured. Some materials emit electrons, when they are irradiated with light. These electrons are then called "photoelectrons". In materials research, so-called "Auger electrons" also play ...

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When human and machine agree

A human research team and a machine learning algorithm have found that we need to rethink much of what we know about iridium oxide

14-Oct-2020

Iridium oxide is an excellent catalyst for electrochemical reactions, and is typically used for the production of energy carriers such as hydrogen from water. Now it turns out that research on iridium oxide carried out so far has been based on a wrong basic assumption: The arrangement of the ...

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New findings pave the way to environmentally friendly supercapacitors

Sustainable, cost-effective, incombustible and easy to recycle

09-Oct-2020

Similar to batteries, supercapacitors are suitable for the repeated storage of electrical energy. TU Graz researchers have presented a particularly safe and sustainable variant of such a supercapacitor in Nature Communications. Limited safety, sustainability and recyclability are key drawbacks ...

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Ecological power storage battery made of vanillin

Researchers have found a way to convert the aromatic substance vanillin into a redox-active electrolyte material for liquid batteries

02-Oct-2020

"It is ground-breaking in the field of sustainable energy storage technology," says Stefan Spirk from the Institute of Bioproducts and Paper Technology at Graz University of Technology. He and his team have succeeded in making redox-flow batteries more environmentally friendly by replacing their ...

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The Return of the Spin Echo

Research team discovered a remarkable echo effect - it offers exciting new possibilities for working with quantum information

28-Sep-2020

Small particles can have an angular momentum that points in a certain direction - the spin. This spin can be manipulated by a magnetic field. This principle, for example, is the basic idea behind magnetic resonance imaging as used in hospitals. An international research team has now discovered a ...

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New Materials: A Toggle Switch for Catalysis

Electrochemical reactions, which will play an important role in the future of energy supply, can now be explained in detail

25-Sep-2020

Electrochemistry is playing an increasingly important role: Whether it is fuel cells, electrolysis or chemical energy storage, chemical reactions controlled by electric current are used. The decisive factor in all these applications is that the reactions are as fast and efficient as possible. An ...

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Technological innovation: The smallest particle sensor in the world

Compact and energy-efficient sensor for mobile devices, informs in real time about the fine dust content in the air and warns in case of elevated values

25-Sep-2020

It is slightly smaller than two one-cent coins stacked on top of each other, is particularly energy-efficient due to its size, requires no maintenance and can be integrated in mobile devices. It is the smallest particle sensor in the world. With this 12 x 9 x 3 millimetre innovation, smartphones, ...

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Mineral undergoes self-healing of irradiation damage

Helium ions create and heal radiation damage

11-Sep-2020

Several minerals suffer radioactive self-irradiation and hence experience long-term changes of their properties. The mineral monazite virtually behaves "just alike Camembert cheese in which holes are drilled": Existing radiation damage heals itself. An international research team led by Lutz ...

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