Researchers at Georgia Tech are looking to oxides of the rare earth elements cerium (Ce), terbium (Tb), and praseodymium (Pr) to perhaps jump start use of small-scale hydrogen production systems for powering fuel cells in homes, as well as for automotive applications. Doping with iron atoms allows these oxides to produce hydrogen at lower temperatures (375-700C vs. 800C). For more details, go to http://gtresearchnews.gatech.edu/newsrelease/oxygenpump.htm.
A new method of modeling how they are created with chemical vapor deposition (CVD) could reduce the cost of carbon nanostructures used for for research and commercial applications, including advanced sensors and batteries.
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
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