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1,037 Current news about the topic catalysts

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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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Unique material from marine bath sponge skeleton

Novel carbon sponge could serve as a centimetre-thin catalyst for industry in the future

09-Oct-2019

Scientists of the TU Bergakademie Freiberg, together with an international research team, have deciphered the structure of a marine sponge skeleton and developed a novel three-dimensional composite material for the modern materials industry. The so-called "graphite" has unique structural, ...

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Determining the activity of noble-metal-free catalyst particles

08-Oct-2019

Noble-metal-free nanoparticles could serve as catalysts for the production of hydrogen from water. Because they are so small, their properties are difficult to determine. Chemists have developed a new method with which they can characterise individual noble-metal-free nanoparticle catalysts. The ...

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Eco-friendly electrochemical catalysts using solar cells to harvest energy from the sun

07-Oct-2019

A research team from Tokyo Institute of Technology (Tokyo Tech) and Kanazawa University develops an eco-friendly device that uses solar energy to catalyze an electrochemical oxidation reaction with high efficiency. Green energy sources constitute a hot research field globally because of the ...

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Chemicals for pharmaceuticals could be made cheaper and greener by new catalysts

04-Oct-2019

High value chemicals used to make pharmaceuticals could be made much cheaper and quicker thanks to a series of new catalysts made by scientists at the University of Warwick in collaboration with GoldenKeys High-Tech Co., Ltd. in China. The process of making high-value chemicals for uses such as ...

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Converting carbon dioxide to valuable resources with the help of nanoparticles

30-Sep-2019

Enzymes use cascade reactions to produce complex molecules from comparatively simple raw materials. Researchers have now copied this principle. An international research team has used nanoparticles to convert carbon dioxide into valuable raw materials. Scientists at Ruhr-Universität Bochum in ...

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Platinum-graphene fuel cell catalysts show superior stability over bulk platinum

20-Sep-2019

Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a study published recently by researchers at the Georgia Institute of Technology. Platinum is one of the most commonly used catalysts for ...

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Selenium anchors could improve durability of platinum fuel cell catalysts

10-Sep-2019

Platinum has long been used as a catalyst to enable the oxidation reduction reaction at the center of fuel cell technology. But the metal's high cost is one factor that has hindered fuel cells from competing with cheaper ways of powering automobiles and homes. Now researchers at the Georgia ...

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Single atoms as catalysts

03-Sep-2019

Incorporating individual metal atoms into a surface in the right way allows their chemical behavior to be adapted. This makes new, better catalysts possible. They make our cars more environmentally friendly and they are indispensable for the chemical industry: catalysts make certain chemical ...

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Speeding up the hydrogen production by the magic topological surface states

29-Aug-2019

Water electrolysis could provide high-quality hydrogen gas that can be used in fuel cells directly. However, since noble metals, such as platinum and iridium, are currently needed to initiate such a reaction, the cost is very high. "Obviously, catalysts that are low-cost with high-activity are ...

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