There are no magic bullets for global energy needs. But fuel cells in which electrical energy is harnessed directly from live, self-sustaining chemical reactions promise cheaper alternatives to fossil fuels.
Nanomaterials
Aug 7, 2015
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21
The Sun can be a better chemist, thanks to zinc oxide nanorod arrays grown on a graphene substrate and "decorated" with dots of cadmium sulphide. In the presence of solar radiation, this combination of zero and one-dimensional ...
Nanomaterials
Jul 15, 2015
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25
Chemical reactions involving reduction and oxidation, or redox, play a key role in regulating photosynthesis in plants and metabolism in animals and humans, keeping things running on an even keel. Now, in a study reported ...
Cell & Microbiology
Mar 20, 2015
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28
Not present when the reaction starts or ends, the driving force behind turning poisonous carbon monoxide into a benign form is a single atom that appears in the heat of action, according to scientists at Pacific Northwest ...
Materials Science
Mar 6, 2015
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23
Many of today's most promising renewable energy technologies – fuel cells, water splitters and artificial photosynthesis – rely upon catalysts to expedite the chemical reactions at the heart of their potential. Catalysts ...
Materials Science
Jan 20, 2015
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43
Stricter environmental regulations enacted in the last few years are putting a squeeze on emissions from car engines, including nitrogen oxide. While modern "lean-burn" gasoline and diesel vehicles use less fuel, they also ...
Materials Science
Dec 22, 2014
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0
Solid oxide fuel cells and solid oxide electrolysis cells hold the promise of highly efficient energy conversion, with lower pollution, to meet increasing global energy demands. But these devices need good catalysis to speed ...
Materials Science
Oct 31, 2014
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0
Researchers from the University of Houston and Trinity University have for the first time provided direct evidence of a water-mediated reaction mechanism for the catalytic oxidation of carbon monoxide.
Nanophysics
Sep 4, 2014
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0
By taking advantage of the natural tendency of chromium atoms to avoid certain bonding environments, scientists at DOE's Pacific Northwest National Laboratory have generated a material that allows oxygen to move through it ...
Nanomaterials
Sep 3, 2014
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0
(Phys.org) —Scientists at the Department of Energy's Oak Ridge National Laboratory have discovered they can control chemical reactions in a new way by creating different shapes of cerium oxide, a rare-earth-based catalyst. ...
Materials Science
Aug 28, 2014
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