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Decoding the way catalysts work

Good catalytic performance is driven chiefly by processes that occur on the surface of the catalyst – and not electrochemical processes

20-Nov-2020

Splitting water into hydrogen and oxygen is an important chemical reaction, especially considering that the use of hydrogen as an energy source in sustainable mobility in the future. An international research team has now decoded how one of the catalysts used in this reaction works. Hydrogen is a ...

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New high proton conductors with inherently oxygen deficient layers open sustainable future

Proton-conducting materials provide a number of advantages

09-Jul-2020

Over the past few years, fuel cells have become a focal point of research in eco-friendly technology because of their superior abilities to store and produce renewable energy and clean fuel. A typical type of fuel cell gaining ground is the proton-conducting fuel cell, which is primarily made of ...

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Snapshot of exploding oxygen

New experimental technique with reaction microscope allows “X-ray” of individual molecules

11-Jun-2020

For more than 200 years, we have been using X-rays to look inside matter, and progressing to ever smaller structures – from crystals to nanoparticles. Now, within the framework of a larger international collaboration on the X-ray laser European XFEL in Schenefeld near Hamburg, physicists at ...

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How to Gently Caress Atoms: A single oxygen atom is used as a highly sensitive sensor

How can surfaces be studied as gently as possible on an atomic scale?

10-Jun-2020

Oxygen is highly reactive. It accumulates on many surfaces and determines their chemical behavior. At the Vienna University of Technology, scientists study the interaction between oxygen and metal oxide surfaces, which play an important role in many technical applications - from chemical sensors ...

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Catalytic protocells get zingy

10-Jan-2020

Artificial cells capable of oxygen gas production and chemical signalling have been prepared using a combination of synthetic and biological catalysts through an international collaboration between the University of Bristol and the University of Padua in Italy. From the synthesis of drugs to the ...

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'Artificial leaf' converts harmful carbon dioxide into useful alternative fuel

07-Nov-2019

Scientists have created an "artificial leaf" to fight climate change by inexpensively converting harmful carbon dioxide (CO2) into a useful alternative fuel. The new technology, outlined in a paper published in the journal Nature Energy, was inspired by the way plants use energy from sunlight to ...

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Atomic images reveal unusually many neighbors for some oxygen atoms

22-Oct-2019

The identification of new chemical bonds is crucial for the design of new material structures. A team led by Jani Kotakoski at the University of Vienna and Jannik Meyer at the University of Tübingen has found unexpected new configurations of oxygen and nitrogen in graphene. Direct images of the ...

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How to make biocatalysts immortal

10-Oct-2019

Oxygen threatens sustainable catalysts that use hydrogen to produce electricity in fuel cells. Researchers from Bochum and Marseille have developed a way to combat this. Efficient catalysts for converting hydrogen into electricity in fuel cells for the energy transition are often based on ...

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Chemicals from carbon dioxide – with plasma and perovskite membranes

06-Jun-2019

Researchers at the Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB and the University of Stuttgart aim to use the climate-damaging greenhouse gas carbon dioxide as a raw material for the production of chemicals. To do this, they are developing a combined plasma and membrane ...

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New water splitting catalyst could make it easier to generate solar fuel

28-Jan-2019

Water splitting, the process of harvesting solar energy to generate energy-dense fuels, could be simplified thanks to new research including faculty at Binghamton University, State University of New York. "The key idea is to generate a solar fuel: hydrogen gas, which can be burnt to release ...

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