Hydrogen
Chemical Element
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From solar energy to hydrogen: there's no step two...out how to directly couple a cheap and simple photovoltaic system to an equally cheap and simple catalyst that can split water, releasing hydrogen that can be used as fuel. By John Timmer | Last updated November 24, 2009 1:40 PM A lot of... In this article: Cobalt, Hydrogen, Phosphate, Zinc oxide, Semiconductor, Zinc, Oxygen, and MIT |
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U.S. News & World Report | 16 hours ago
New Hydrogen-Storage Method Discovered
This schematic shows the structure of the new material, Xe(H2)7. Freely rotating hydrogen molecules (red dumbbells) surround xenon atoms (yellow). Washington, D.C.-Scientists at the Carnegie Institution have found for the first time that...
In this article: Xenon, Atom, Electron, Diffraction, and Twitter
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Popular Science | 1 day ago
High-Pressure Diamond Anvil Creates a New Solid from Xenon and Hydrogen
...produce marvelous results, such as an entirely new way to store hydrogen fuel. Researchers combined the noble gas xenon with molecular hydrogen (H2) to make a never-before-seen solid that opens the doors to an entire new family of materials...
In this article: Xenon, Hydrogen fuel, Hydrogen atom, and Washington, D.C.
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New Kerala | 1 day ago
Scientists discover new hydrogen-storage method
...new technologies, said Russell Hemley, director of the Geophysical Laboratory. This hydrogen-rich solid represents a new pathway to forming novel hydrogen storage compounds and the new pressure-induced chemistry opens the possibility of...
In this article: Xenon, Atom, Electron, Washington, and US
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Oil & Gas Journal | 2 days ago
REFINERY GASES—1: Hydrogen, nitrogen assist compliance with new, tougher environmental regs
...processes for hydrodesulfurization in which primarily organically bound sulfur is hydrogenated to hydrogen sulfide (H2S). The hydrogen sulfide can be separated from the gas phase in a scrubber. Then it is available as feed for a Claus...
In this article: Nitrogen, Oxygen, Linde AG, Biofuel, Benzene, and Paraffin
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CNET News.com | 2 days ago
Sun Catalytix secures money for low-cost solar fuel
...which Nocera has sought to patent, is a low-cost catalyst for an electrolyzer, a device that splits water to make hydrogen. That hydrogen can be used with a fuel cell to make electricity. Or the hydrogen could be combined with other...
In this article: Bob Metcalfe, Massachusetts Institute of Technology, CNET News, Platinum, Cobalt, and Carbon
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Science Blog - | 2 days ago
New hydrogen-storage method discovered
...to approach the hydrogen-storage problem. The researchers found that the normally unreactive, noble gas xenon combines with molecular hydrogen (H2) under pressure to form a previously unknown solid with unusual bonding chemistry. The...
In this article: Xenon, Atom, Electron, Department of Energy, E mail, and Diffraction
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GoodCleanTech | 6 days ago
Producing Hydrogen from Algae
...as for ethanol production in the biofuels industry. It was proven though, that they could also be a source for another alternative fuel - hydrogen. A research team comprised of scientists from the University of Tennessee, Knoxville, and Oak...
In this article: Biofuel, Alternative fuel, Platinum, University of Tennessee, Knoxville, Sugar, and Oak Ridge National Laboratory
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Stuff | 7 days ago
Honda's hydrogen Clarity
MOMENT OF CLARITY: Honda FCX Clarity hydrogen car. Pay restrictions could hurt GM: chairman Turbodiesel wagon 'great combination' Commodore hits a six with SIDI Ford Capris on tour Driving Honda's Insight hybrid BMW M3 about to get meaner...
In this article: Honda, Hydrogen fuel, Lithium, Oxygen, Honda FCX Clarity, Acura, California, Electric car, and Accord
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Popular Science | November 16, 2009
Modified Algae Produce Clean, Easy Hydrogen
Simple organisms pave the way to the hydrogen-fueled future Algae get a lot of airtime as a possible future source of biofuels to wean us from dirty fossil fuels, but even biofuels don't go so far as to eliminate hydrocarbons (and their...
In this article: Fossil fuel, Platinum, Carbon, and Hydrocarbon
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BBC News | November 10, 2009
Hydrogen buses tested on campus
A team from Shanghai are working with Sunderland University Hydrogen-powered buses are to be tested on Wearside as part of a project to develop greener public transport. Two converted 12-seater electric buses will be put through their...
In this article: Sunderland University, Shanghai, Hydrogen fuel, and China
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Description from Wikipedia:
Hydrogen (pronounced: /ˈhaɪdrədʒən/) is the chemical element with atomic number 1. It is represented by the symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2. With an atomic weight of 1.00794, hydrogen is the lightest element.
Hydrogen is the most abundant of the chemical elements, constituting roughly 75% of the universe's elemental mass. Stars in the main sequence are mainly composed of hydrogen in its plasma state. Elemental hydrogen is relatively rare on Earth, and is industrially produced from hydrocarbons such as methane, after which most elemental hydrogen is used "captively" (meaning locally at the production site), with the largest markets about equally divided between fossil fuel upgrading (e.g., hydrocracking) and ammonia production (mostly for the fertilizer market). Hydrogen may be produced from water using the process of electrolysis, but this process is presently significantly more expensive commercially than hydrogen production from natural gas.
The solubility and characteristics of hydrogen with various metals are very important in metallurgy (as many metals can suffer hydrogen embrittlement) and in developing safe ways to store it for use as a fuel. Hydrogen is highly soluble in many compounds composed of rare earth metals and transition metals and can be dissolved in both crystalline and amorphous metals. Hydrogen solubility in metals is influenced by local distortions or impurities in the metal crystal lattice.
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