News tagged with noble metal

Cheap, abundant cathode material found for producing hydrogen fuel (w/ video)

(PhysOrg.com) -- By replacing catalysts made of expensive noble metals like platinum with cheaper, earth-abundant materials, researchers have taken a step toward enabling the large-scale production of hydrogen ...

Chemistry / Materials Science

created May 10, 2011 | popularity 4.4 / 5 (22) | comments 60 | with audio podcast feature

Organic solvent system may improve catalyst recycling and create new nanomedicine uses

Noble metals such as platinum and palladium are becoming increasingly important because of growth in environmentally friendly applications such as fuel cells and pollution control catalysts. But the world ...

Nanotechnology / Nanomaterials

created Oct 28, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

How Size Matters For Catalysts: Study Links Size, Activity, Electronic Properties

(PhysOrg.com) -- University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical ...

Nanotechnology / Nanomaterials

created Nov 05, 2009 | popularity 3.7 / 5 (3) | comments 0




Search results for noble metal


No future without scarce metals

It is not just in laptop computers, mobile telephones and LED screens that scarce metals are to be found but also in solar cells, batteries for mobile technologies and many other similar applications. The ...

Technology / Other

created Jan 31, 2012 | popularity 4.5 / 5 (2) | comments 2

Superconducting current limiter guarantees electricity supply of the Boxberg power plant

For the first time, a superconducting current limiter based on YBCO strip conductors has now been installed at a power plant. At the Boxberg power plant of Vattenfall, the current limiter protects the grid ...

Physics / Superconductivity

created Jan 13, 2012 | popularity 4.2 / 5 (11) | comments 3 | with audio podcast

Researchers discover a way to significantly reduce the production costs of fuel cells

Researchers at Aalto University in Finland have developed a new and significantly cheaper method of manufacturing fuel cells. A noble metal nanoparticle catalyst for fuel cells is prepared using atomic layer ...

Technology / Energy & Green Tech

created Dec 20, 2011 | popularity 5 / 5 (1) | comments 0

Carving at the nanoscale

Researchers at the Catalan Institute of Nanotechnology have successfully demonstrated a new method for producing a wide variety of complex hollow nanoparticles. The work, published this week in Science, applies well known ...

Nanotechnology / Nanomaterials

created Dec 08, 2011 | popularity 4.4 / 5 (5) | comments 0

On the road to plasmonics with silver polyhedral nanocrystals

The question of how many polyhedral nanocrystals of silver can be packed into millimeter-sized supercrystals may not be burning on many lips but the answer holds importance for one of today's hottest new high-tech ...

Nanotechnology / Nanomaterials

created Nov 22, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Aluminum alloy overcomes obstacles on the path to making hydrogen a practical fuel source

Hydrogen offers great promise as a renewable energy source. It's staggeringly plentiful (the most abundant element in the Universe) and environmentally friendly (used in a fuel cell, it gives off only water). Unfortunately, ...

Chemistry / Materials Science

created Nov 01, 2011 | popularity 5 / 5 (4) | comments 8 | with audio podcast

Breakthrough holds promise for hydrogen's use as fuel source

(PhysOrg.com) -- Imagine your car running on an abundant, environmentally friendly fuel generated from the surrounding atmosphere. Sounds like science fiction, but UT Dallas researchers recently published ...

Chemistry / Materials Science

created Oct 27, 2011 | popularity 4.1 / 5 (20) | comments 10 | with audio podcast

Microscopy, quantum-style: Atomic stacks imaged in real space

(PhysOrg.com) -- Since the first optical microscopes appeared in the late 1600s – an exact date and original inventor elude precise identification – microscopy has evolved dramatically. Scanning ...

Nanotechnology / Nanophysics

created Aug 31, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast feature

In Brief: Bifunctional plasmonic / magnetic nanoparticles

An amorphous-seed mediated strategy has been developed in the Center for Nanoscale Materials Nanophotonics Group at the Argonne National Laboratory for creating bifunctional nanoparticles composed of silver ...

Nanotechnology / Nanomaterials

created Aug 19, 2011 | popularity 5 / 5 (1) | comments 0

Improving batteries' energy storage

MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy ...

Technology / Energy & Green Tech

created Jul 25, 2011 | popularity 4.9 / 5 (15) | comments 0 | with audio podcast


List of search results for noble metal