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Why gold-palladium alloys are better than palladium for hydrogen storage

11-Jul-2018

Materials that absorb hydrogen are used for hydrogen storage and purification, thus serving as clean energy carriers. The best-known hydrogen absorber, palladium (Pd), can be improved by alloying with gold (Au). New research led by The University of Tokyo Institute of Industrial Science explains ...

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How do very small particles behave at very high temperatures?

09-Apr-2018

A Swansea University nanomaterials expert has been looking at how small gold particles survive when subjected to very high temperatures. The research is important to the engineering sector for some potential applications of nanotechnology, for example in catalysis and aerospace, where particles ...

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A super resolution view of chemical reactions

14-Feb-2018

Researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences have demonstrated, using a super resolution microscopic technique, how to follow chemical reactions taking place in very small volumes. The method of analysis developed by the Warsaw physicists in collaboration ...

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A new type of powerful battery

Move over, lithium-ion - now, there's a better battery on the horizon

07-Feb-2018

A multi-institution team of scientists led by Texas A&M University chemist Sarbajit Banerjee has discovered an exceptional metal-oxide magnesium battery cathode material, moving researchers one step closer to delivering batteries that promise higher density of energy storage on top of ...

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Liquid-metal membrane technology to make hydrogen fuel cell vehicles viable

31-Aug-2017

While cars powered by hydrogen fuel cells offer clear advantages over the electric vehicles that are growing in popularity (including their longer range, their lower overall environmental impact, and the fact that they can be refueled in minutes, versus hours of charging time), they have yet to ...

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Universal stabilization

Microparticles with a rough, raspberry-like surface stabilise emulsions following a new principle

16-Jun-2017

Researchers led by Lucio Isa, Professor of Interfaces, Soft Matter and Assembly at ETH Zurich's Department of Materials, have created a new type of silica particle able to stabilise emulsions in a new way. An emulsion is a finely dispersed mixture of two immiscible liquids, constituted by ...

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How nanoparticles affect flow through porous stuff in surprising ways

06-Apr-2017

Those who have mixed oil and vinegar may have unknowingly observed a strange fluid phenomenon called fingering instability. A type of this phenomenon, called viscous fingering (VF), occurs in porous media where fluids of differing viscosity converge in finger-shaped patterns as a result of ...

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Research pushes concept of entropy out of kilter

03-Feb-2017

Entropy, the measure of disorder in a physical system, is something that physicists understand well when systems are at equilibrium, meaning there's no external force throwing things out of kilter. But new research by Brown University physicists takes the idea of entropy out of its equilibrium ...

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Towards the development of super premium gasoline

09-Dec-2016

In contradicting a theory that's been the standard for over eighty years, researchers at the University of Illinois at Urbana-Champaign have made a discovery holding major promise for the petroleum industry. The research has revealed that in the foreseeable future products such as crude oil and ...

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How do hydrogen droplets behave when hydrogen-oxygen aerosol mixtures burn?

20-Jun-2016

Modern rockets and their launch vehicles commonly rely on hydrogen-oxygen mixtures as propellant, but this combination is highly explosive. The Challenger space shuttle catastrophe of 1986 is associated with self-ignition of such mixtures. Risks of explosion are mitigated by the evaporation and ...

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