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Hydrogen


— Environment

Australian researchers develop promising new approach to hydrogen storage

Scientists at the University of New South Wales (UNSW), Australia, are developing a novel way to store hydrogen that could help turn it into a viable portable fuel source. The research centers on using synthesized nanoparticles of the compound sodium borohydride (NaBH4 for those who love chemistry), which when encased inside nickel shells exhibits surprising and practical storage properties including the ability to reabsorb hydrogen and release it at much lower temperatures than previously observed, making it an attractive proposition for transport applications. Read More
— Science

Researchers produce hydrogen from sunlight, water and rust

As scientists endeavor to increase the efficiency of solar panels, the challenge of storing the resultant energy cheaply and in an environmentally responsible way must also be met. To this end, researchers at Switzerland’s École polytechnique fédérale de Lausann (EPFL) have developed an inexpensive device that transforms light energy into hydrogen, for storage and later use. The new prototype makes use of sunlight, water, and metal oxides, including iron oxide – or rust. Read More
— Environment

U.S. Navy looking at obtaining fuel from seawater

Tell someone that you’ve invented a car that runs on water and they're liable to report you for fraud. That hasn’t stopped scientists and engineers at the U.S.. Naval Research Laboratory (NRL) who want to run warships on seawater - or at least, to turn seawater into jet fuel. This may sound like they’ve been standing too close to the ether again, but the idea is to extract carbon dioxide and hydrogen from seawater and then convert these into jet fuel by a gas-to-liquids process. If this proves practical, American naval vessels could refuel themselves at sea. Read More
— Environment

New nanocrystals let solar panels generate electricity ... and hydrogen gas

At first glance, photovoltaic solar panels are brilliant. They’re self-contained, need no fuel and so long as the sun is shining, they make lots of lovely electricity. The trouble is, they’re expensive to make, batteries are poor storage systems for cloudy days, and the panels have a very short service life. Now, Dr. Mikhail Zamkov of Ohio's Bowling Green State University and his team have used synthetic nanocrystals to make solar panels more durable as well as capable of producing hydrogen gas. Read More
— Science

Nanosheet catalyst brings a hydrogen economy one step closer to reality

Harnessing the power of hydrogen gas presents one of the most promising options available for obtaining a large-scale sustainable energy solution. However, there are numerous and significant challenges present in the production of pure hydrogen, one of the most prominent of which is the high costs associated with the use of rare and expensive chemical elements such as platinum. Accordingly, the team at the Brookhaven National Laboratory set out to create a catalyst with high activity and low costs, that could facilitate the production of hydrogen as a high-density, clean energy source. Read More
— Environment

Street sweeper tests real-world feasibility of hydrogen-powered vehicles

For the past couple of years, a street cleaning vehicle has been washing, brushing and vacuuming the streets of Basel in northwest Switzerland. While there’s nothing unusual about that, what is noteworthy is that the vehicle, known as the CityCat H2, is powered completely by hydrogen. The street sweeper is part of a project to practically test the feasibility of hydrogen-powered vehicles under real-world conditions and the results from the trial indicate that, although hydrogen-powered vehicles can save energy, are environmentally friendly, and technically feasible, the prices of fuel cells, pressurized storage tanks and electric drives must all drop significantly before such vehicles are cost-effective. Read More
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