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Topic: Hydrogen-1


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In the News (Thu 21 Mar 19)

  
 Hydrogen - Wikipedia, the free encyclopedia
Hydrogen (Latin: hydrogenium, from Ancient Greek: hydro: "water" and genes: "forming") is a chemical element in the periodic table that has the symbol H and atomic number 1.
Deuterium, an isotope of hydrogen (hydrogen-2), is used in nuclear fission applications as a moderator to slow neutrons, and in nuclear fusion reactions.
Hydrogen is the lightest and most abundant element in the universe.
en.wikipedia.org /wiki/Hydrogen   (3410 words)

  
 Hydrogen
On earth, hydrogen occurs chiefly in combination with oxygen in water, but it is also present in organic matter such as living plants, petroleum, coal, etc. It is present as the free element in the atmosphere, but only to the extent of less than 1 ppm by volume.
Hydrogen is the most abundant of all elements in the universe, and it is thought that the heavier elements were, and still are, being built from hydrogen and helium.
Quite apart from isotopes, it has been shown that hydrogen gas under ordinary conditions is a mixture of two kinds of molecules, known as ortho- and para-hydrogen, which differ from one another by the spins of their electrons and nuclei.
www.scescape.net /~woods/elements/hydrogen.html   (914 words)

  
 It's Elemental - The Element Hydrogen
Hydrogen was first recognized as a distinct element by Henry Cavendish in 1766.
It is estimated that 90% of the visible universe is composed of hydrogen.
Liquid hydrogen is used in the study of superconductors and, when combined with liquid oxygen, makes an excellent rocket fuel.
education.jlab.org /itselemental/ele001.html   (246 words)

  
 Hydrogen Power
Hydrogen is not commonly thought of as a safe fuel, this is in part due to the wide spread belief/myth that hydrogen is to blame for the Hindenburg disaster of 1937, but there is new evidence to discredit that theory.
Hydrogen also burns quickly, and must have the right ration of oxygen to hydrogen in order to be flammable, (a seven to one ration) pure hydrogen is not flammable.
Hydrogen is naturally produced by plants and is colorless, odorless tasteless and nontoxic.
www.geocities.com /hydrogenpower1/essays/main/hydrogen.html   (3610 words)

  
 Hydrogen (H) - Chemical properties, Health and Environmental effects
There are three hydrogen isotopes: protium, mass 1, found in more than 99,985% of the natural element; deuterium, mass 2, found in nature in 0.015% approximately, and tritium, mass 3, which appears in small quantities in nature, but can be artificially produced by various nuclear reactions.
Hydrogen fuel cells are being looked into as a way to provide power and research is being conducted on hydrogen as a possible major future fuel.
Hydrogen reacts with oxygen to form water and this reaction is extraordinarily slow at ambient temperature; but if it’s accelerated by a catalyser, like platinum, or an electric spark, it’s made with explosive violence.
www.lenntech.com /Periodic-chart-elements/H-en.htm   (965 words)

  
 "Pure POWER"
Hydrogen can also come in liquid and solid forms that require less space and do not leak as readily, but each has drawbacks in the ease of handling and cost of refueling.
The hydrogen fuel is fed into one end of the cell, where it comes in contact with a platinum plate.
A hydrogen atom has a nucleus containing a single proton that is circled by a single electron.
sln.fi.edu /inquirer/hydrocar.html   (1307 words)

  
 Hydrogen
Hydrogen molecules do not seem to have been observed in the interstellar medium, but hydrogen atoms are generally taken as indicating the existence of a wide variety of other molecules.
Hydrogen gas is present in small amounts in volcanic gases where it is produced by chemical reactions, but more of it appears combined as hydrogen sulphide and nascent water.
Hydrogen is such a simple system that it has been important in the development of physics, a test bed for quantum mechanics, which it has amply confirmed.
www.du.edu /~jcalvert/phys/hydrogen.htm   (7617 words)

  
 EERE: Hydrogen Energy
The vision of building an energy infrastructure that uses hydrogen as an energy carrier — a concept called the "hydrogen economy" — is considered the most likely path toward a full commercial application of hydrogen energy technologies.
Hydrogen is produced from sources such as natural gas, coal, gasoline, methanol, or biomass through the application of heat; from bacteria or algae through photosynthesis; or by using electricity or sunlight to split water into hydrogen and oxygen.
Hydrogen has an excellent safety record, and is as safe for transport, storage and use as many other fuels.
www.eere.energy.gov /RE/hydrogen.html   (263 words)

  
 IEA Technology
Storage of hydrogen is an important area for international co-operative research and development, particularly when considering transportation as a major user and the need for efficient energy storage for intermittent renewable power systems.
Although compressed gas and liquid hydrogen storage systems have been used in vehicle demonstrations world-wide, the issues of safety, capacity, and energy consumption have resulted in a broadening of the storage possibilities to include metal hydrides and carbon nanostructures.
Hydrogen can be produced directly from sunlight and water by biological organisms and using semiconductor-based systems similar to photovoltaics.
www.iea.org /dbtw-wpd/Textbase/techno/iaresults.asp?Ia=Hydrogen   (907 words)

  
 Physics Today December 2004 - Articles: The Hydrogen Economy
Hydrogen can be converted to electricity in fuel cells, but the production cost of prototype fuel cells remains high: $3000 per kilowatt of power produced for prototype fuel cells (mass production could reduce this cost by a factor of 10 or more), compared with $30 per kilowatt for gasoline engines.
Hydrogen is abundant and generously distributed throughout the world without regard for national boundaries; using it to create a hydrogen economy—a future energy system based on hydrogen and electricity—only requires technology, not political access.
Hydrogen can be stored in pressurized gas containers or as a liquid in cryogenic containers, but not in densities that would allow for practical applications—driving a car up to 500 kilometers on a single tank, for example.
www.physicstoday.org /vol-57/iss-12/p39.html   (4527 words)

  
 Wired 11.04: How Hydrogen Can Save America
Like manned space flight in 1961, hydrogen power is proven but primitive, a technology ripe for acceleration and then deployment.
Hydrogen stores energy more effectively than current batteries, burns twice as efficiently in a fuel cell as gasoline does in an internal combustion engine (more than making up for the energy required to produce it), and leaves only water behind.
By throwing his power behind hydrogen, Bush would be gambling that, rather than harming Big Oil, he could revitalize the moribund industry.
www.wired.com /wired/archive/11.04/hydrogen.html   (1182 words)

  
 APOD: Glossary
Hydrogen composes about 75 percent of the Sun but only a tiny fraction of the Earth.
This type of nebula is created when energetic ultraviolet light from a hot star shines on a cloud of hydrogen gas, stripping away electrons from the atoms (ionization).
A hydrogen atom consists of one proton and one electron.
antwrp.gsfc.nasa.gov /apod/lib/glossary.html   (1562 words)

  
 (FSEC) - Hydrogen Research and Applications Center
FSEC has been engaged in hydrogen RandD since 1983 and it is now one of the leading hydrogen research centers in the world.
Its hydrogen division is home to a highly competent research faculty and staff with modern laboratories and facilities.
The Hydrogen RandD Division's goal is to make the "hydrogen economy" the key to a clean and secure energy future by conducting research projects on hydrogen, fuel cells and related technologies.
www.fsec.ucf.edu /hydrogen   (183 words)

  
 Hydrogen storage
The hopes of using hydrogen as an energy carrier are severely damped by the fact that there is still no safe, high-density method available for storing hydrogen.
Hydrogen is delivered from an integrated system containing the AMMINEX storage material.
AMMINEX uses a new concept for hydrogen storage.
www.amminex.com /index_files/Page344.htm   (86 words)

  
 Hydrogen Technologies -- Generators, Fuel Cells
Hydrogen embrittlement not a substantial threat - Hydrogen-conversion expert, and clean-fuel specialist, Tai Robinson, responds to assertion that when hydrogen gas dissolves into the structure of certain metals such as aluminum and steels, it can cause cracking and failure of metal components.
Clean Patagonian Energy from Wind and Hydrogen - A laboratory situated in the southern Patagonia region of Argentina is producing hydrogen from wind energy to supply power to a village -- and prove that it is possible to replace the polluting fuels derived from petroleum.
Hydrogen Peroxide as a Fuel- H2O2, which can be produced from water by electrolysis, stores well and can be used as a fuel, either for rockets, jets, or for cars.
www.freeenergynews.com /Directory/Hydrogen   (3481 words)

  
 Hydrogen Cars Vehicles and the H2 Economy
The conversion from gasoline powered combustion engines to hydrogen powered combustion engines is agreed upon by most scientists and engineers to be a particularly easy transition and would by time for hydrogen fuel cell cars to be fully adapted.
The future of hydrogen cars is not a pipe dream, as there are already some hydrogen-powered concept cars on the road.
In the 2000 Olympics in Sydney, Australia, hydrogen fuel cell cars were used to shuttle athletes and dignitaries around to the various venues.
www.hydrogen-cars.biz   (497 words)

  
 Hydrogen Use Clean alternative energy news
Recent reports from the National Hydrogen Conference and Expo held in California indicate that this may happen as early as the end of this year.
The claims are being published in the Journal of the American Chemical Society and this material could make hydrogen fuel a practical alternative to current conventional sources for laptop computers, cell phones, digital cameras and other electronic devices.
It is part of the province's overall Fuel Cell Strategy which aims to make it a leading player in the hydrogen economy by 2020.
www.hydrogenuse.info   (507 words)

  
 APOD: 2001 January 13 - A Sky Full Of Hydrogen
The neutral Hydrogen atom (HI in astronomer's shorthand) consists of 1 proton and 1 electron.
Tuned to this frequency radio telescopes have mapped the neutral Hydrogen in the sky.
It is a rare event for Hydrogen atoms in
antwrp.gsfc.nasa.gov /apod/ap010113.html   (207 words)

  
 Hydrogen Now!
The Renewable Hydrogen Forum took place in Washington, D.C. in April 2003, with the goal of assembling the leaders in renewable hydrogen technology, theory, research and practice, and producing a testimony to the viability of producing hydrogen with renewable energy.
is to accelerate the use of renewable hydrogen.
This report is the most important collection of information on renewable hydrogen that has been produced to date.
www.hydrogennow.org   (339 words)

  
 EERE: Hydrogen, Fuel Cells and Infrastructure Technologies Program Home Page
Hydrogen and fuel cells have the potential to solve several major challenges facing America today: dependence on petroleum imports, poor air quality, and greenhouse gas emissions.
Hydrogen fuel cell vehicles emit approximately the same amount of water per mile as conventional vehicles powered by internal combustion engines.
The Hydrogen, Fuel Cells and Infrastructure Technologies Program is working with partners to accelerate the development and successful market introduction of these technologies.
www.eere.energy.gov /hydrogenandfuelcells   (174 words)

  
 Shell Hydrogen - Shell Hydrogen homepage
Shell Hydrogen and Amsterdam Transport Company sign a one-year extension of cooperation on the Hydrogen Fuel Cell Bus Project in Amsterdam.
The original statement on Shell's activities in Biofuels, Wind, Solar and Hydrogen as it was issued on the 2nd of February, is available.
Amsterdam Hydrogen Bus Project is extended for another year
www.shell.com /home/Framework?siteId=hydrogen-en   (182 words)

  
 Hydrogen - advanced drum machine for GNU/Linux
Hydrogen is an advanced drum machine for GNU/Linux.
26 Dec 2005- Classic Roland beatboxes TR-606, TR-707, TR-808 and TR-909 are available in Hydrogen format thanks to Hollow Sun and Sineshine audio laboratories.
27 Feb 2006- Hydrogen gets 5 stars from SoftPedia!
www.hydrogen-music.org   (247 words)

  
 Hydrogen Solar home
Currently, the prime technology is the Tandem Cell™, which converts light and water directly into hydrogen fuel, and for which Hydrogen Solar owns the world-wide exclusive rights.
Hydrogen Solar is building a portfolio of hydrogen technologies and Intellectual Property aimed at the new hydrogen economy, which many believe will evolve alongside the oil economy and eventually overtake it.
We also own rights to biological processes for generating hydrogen, and are actively seeking to acquire compatible technologies in hydrogen generation and storage.
www.hydrogensolar.com   (197 words)

  
 Energy Conversion Devices Inc leader in the fields of alternative energy generation and storage and advanced information technologies
tions at the National Hydrogen Association's 14th Annual U.S. Hydro-
This hydrogen storage technology can support a broad range of commercial applications from consumer electronics and portable appliances to vehicles, power generation, and the hydrogen refueling infrastructure.
Traditional means of storing hydrogen do not fulfill industry performance needs and therefore limit the progress towards a seamless hydrogen economy.
www.ovonic.com /sol_srv/3_3_hydrogen_sol/hydrogen_sol.htm   (257 words)

  
 Hydrogen Boost
Our typical hydrogen generator will produce 1.5 to 2 liters of alternative fuel gas (hydrogen and oxygen mixed) per minute using twelve volts and 20-30 amperes.
Carburetor equipped engines are enhanced by adjusting the carburetor to compensate for the hydrogen and heated fuel.
The Hydrogen-Boost System is a gas mileage enhancement system based on the main component, an on-board hydrogen gas generator.
www.hydrogen-boost.com   (735 words)

  
 Hydrogen, Fuel Cell and Renewable Energy Links
The Hydrogen & Fuel Cell Investor Resource for investors in the hydrogen and fuel cell industry.
The Hydrogen & Fuel Cell Investor Investor news and opinions in the hydrogen and fuel cell industry (my favorite of this ilk)
Hydrogen solubility in metals From REB Research & Consulting
www.rebresearch.com /H2links.html   (374 words)

  
 Hydrogen Highway
Join us for a ride on the Hydrogen Highway -- it’s a ride that is going to change the world as we know it, so hurry up and hop on!
Hydrogen is the Talk of Australia Australian IT
The logo shown and "HydrogenHighway.com" are registered trademarks of Hydrogen Highway LLC.
www.hydrogenhighway.com   (310 words)

  
 The National Hydrogen Association
The National Hydrogen Association is the premier source for information on hydrogen and hydrogen technologies.
Each represents a stakeholder in some aspect of the developing hydrogen economy.
We invite you to explore our website and educate yourself about hydrogen as an energy carrier.
www.hydrogenus.com   (94 words)

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