News tagged with platinum

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Replacing Platinum in Fuel Cell Technology

(PhysOrg.com) -- One of the biggest hindrances to the development of fuel cell technology is its cost. In order to work properly, polymer electrolyte fuel cells require a catalyst. So far, though, the most ...

Oct 20, 2009 weblog
2.8 / 5 (5) 6

Fuel cells get a boost

Fuel cells, devices that can produce electricity from hydrogen or other fuels without burning them, are considered a promising new way of powering everything from homes and cars to portable devices like cellphones ...

Oct 15, 2009
3.9 / 5 (17) 6

A recipe for controlling carbon nanotubes

Nanoscopic tubes made of a lattice of carbon just a single atom deep hold promise for delivering medicines directly to a tumor, sensors so keen they detect the arrival or departure of a single electron, a replacement for ...

Sep 20, 2009
4.9 / 5 (7) 0

Platinum nanocatalyst could aid drugmakers

(PhysOrg.com) -- Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week ...

Aug 31, 2009
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Increasing levels of rare element found worldwide

Dartmouth researchers have determined that the presence of the rare element osmium is on the rise globally. They trace this increase to the consumption of refined platinum, the primary ingredient in catalytic converters, ...

Apr 21, 2009
4.5 / 5 (13) 1

Carbon Nanotubes Make Fuel Cells Cheaper

(PhysOrg.com) -- As fuel cells are becoming more popular due to their potential use in applications such as hydrogen-powered vehicles, auxiliary power systems, and electronic devices, the need for the precious ...

Feb 09, 2009 weblog
4.4 / 5 (7) 2