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 has limited quantities ...
Nanomaterials
Oct 28, 2010
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record for a fuel-cell ...
Energy & Green Tech
Nov 30, 2009
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered flight.
Energy & Green Tech
Oct 13, 2009
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(PhysOrg.com) -- As a possible energy source for fuel cells or a substitute for gasoline, methanol is increasingly drawing attention beyond its importance as a feedstock for chemical industry. It can be stored much more efficiently ...
Materials Science
Aug 21, 2009
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Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as an Office of Naval ...
Engineering
Apr 17, 2009
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To resolve the energy crisis and environmental issues, research to move away from fossil fuels and convert to eco-friendly and sustainable hydrogen energy is well underway around the world. Recently, a team of researchers ...
Materials Science
Jan 12, 2021
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Although the mass roll-out of fuel cell electric vehicles is still years away, efforts to make hydrogen-powered cars mainstream have intensified in recent years. With Europe's ambitions to become a leader in zero-emission ...
Energy & Green Tech
Mar 22, 2019
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To create better batteries and fuel cells, scientists must make oxygen molecules gain and lose electrons efficiently. The reactions are frustratingly sluggish. Speeding the reactions requires heat and platinum, which are ...
Materials Science
Feb 11, 2019
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In the quest for better, less expensive ways to store and use energy, platinum and other precious metals play an important role. They serve as catalysts to propel the most efficient fuel cells, but they are costly and rare.
Materials Science
Jul 15, 2015
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Good metal-based systems for hydrogen storage cannot be developed without knowing how this element permeates through metals. Researchers at the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw managed ...
Materials Science
Aug 14, 2013
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