Sentences with phrase «hydrogen at»

Why even bother producing hydrogen at all — after all can't we just generate electricity from sunlight?

We took a different approach by postulating that we could split water in an energy efficient way to extract a high yield of Hydrogen at very low cost.

Researchers from Virginia Tech developed an in vitro artificial enzymatic pathway that can produce hydrogen at extremely high rates by splitting water energized by carbohydrates (e.g., starch).

The car's range is 560 kilometers (350 miles) on a 5 kg (11 lbs) tank of hydrogen at 350 atmospheres (5,150 psi).

In other words, the titanium helped accelerate processes in the hydride that were essential to extracting hydrogen at lower temperatures - an important realization that will help scientists gain a better understanding of other materials» properties as hydrogen storage systems (and lead to the discovery of better ones).

To their surprise, the titanium augmented sodium alanate's capabilities as a storage system - lowering the temperature at which hydrogen was released, making the process much more efficient, while allowing for easier refueling and storage of high - density hydrogen at more conventional pressures and temperatures.The result: a near - doubling of the stored gas» weight - percent when compared to other cheap materials.

Back in 2010, when it emerged out of stealth mode, GridShift said it could produce hydrogen at a cost of $ 2.51 per kilogram, «effectively making hydrogen a more affordable alternative than gasoline at an equivalent cost of $ 2.70 per gallon of gasoline.»

When you create the infrastructure to produce hydrogen at industrial scales — all you need is water and electricity and you can produce all the hydrogen you can imagine — that's a big job.

Greg Rau at the University of California, Santa Cruz, wants to combine it with a chemical reaction that would suck carbon dioxide from the air at the ocean's surface and generate hydrogen at the same time.

In the early 90s you could have bought a large BMW 7 and had it converted to run on hydrogen at BMW.

Audi did the wind to methane program a while back, wind power in this case is turned into hydrogen at the point of use, hence PEM.

The fuel cell is rather like a battery that has continuously replaceable «electrodes,» hydrogen at the anode and oxygen (from the air) at the cathode.

«For hydrogen cars to be widely used, there remains a need for a technology that safely stores large quantities of hydrogen at normal pressure and temperature, instead of the pressurized cylinders that are currently in use,» said Mir Mousavi, a co-author of the paper and a professor of chemistry at Iran's Tarbiat Modares University.

In July 2007, researchers led by William Goddard III of the California Institute of Technology in Pasadena reported in the Journal of the American Chemical Society that adding lithium to a MOF should make it possible to store 6 % of its weight in hydrogen at room temperature.

In an effort to bring that vision to fruition, the Department of Energy (DOE) has launched «Hydrogen at Scale,» or H2@Scale, an initiative that explores the potential for wide - scale hydrogen production and utilization in the United States to benefit many sectors of the economy.

Second thing that happens, the amount of energy you get out of burning that Hydrogen at the normal BBQ tank pressure is almost nothing.

Since hydrogen can be stored and transported we can generate hydrogen at remote locations of the earth, where these temperature differences are available and transport the hydrogen to where it is needed.

The development of a new technology could be the breakthrough necessary to efficiently produce renewable hydrogen at a low cost.

Three carbon - fiber fuel tanks store up to a maximum of 9.25 pounds (4.2 kg) of gaseous hydrogen at 10,000 psi (70 MPa), and give the Equinox a range of 200 miles (320 km).

There are two carbon - fiber fuel tanks to hold 5 kilograms of hydrogen at 10,000 psi, a fuel cell to produce electricity through the processing of hydrogen, a pack of affordable, reliable nickel - metal - hydride batteries to store the electricity, and a 113 - kW (151 - hp) motor to power the front - wheel - drive platform.

5) You are more likely to have a spark ignite hydrogen at the end of the charge process than at the beginning (see above).

While other, more massive stars only burn through the hydrogen at their core before coming to the end of their lifetimes, red dwarfs consume all of their hydrogen, in and out of their core.

The Hydrogen Analysis (H2A) production models provide transparent reporting of detailed process design assumptions and a consistent cost analysis methodology for the production of hydrogen at central and distributed (forecourt / filling - station) facilities.

July 25, 2017 - Hydrogen at elevated temperature creates high electrical conductivity in the Earth's mantle.

As a hydrogen - specific capability in the INL Environmental Effects Laboratory, the suite of capabilities includes controlled exposure to flowing pure hydrogen at varying temperatures and mechanical testing in a vacuum environment.

Then they employed this oxidation reaction as the anode reaction of the PEC that produces hydrogen at the cathode.

It produced oxygen better than existing commercial catalysts and produced hydrogen at a comparable rate.

Tucking ammonia borane in mesoporous silica results in high - quality hydrogen at lower temperatures

According to Emeritus Professor Jim Kaler, Beta Hydri entered the main sequence a dwarf star at the cooler end of class F (probably around spectral class F8) but now appears to be a subgiant star that is evolving off the main sequence, as it begins to fuse increasing amounts of helium «ash» mixed with hydrogen at its core.

Throughout the life of the Sun, there has been a steady depletion of hydrogen, so that the concentration of hydrogen at the centre today is probably only about one - third of the original amount.

Neutral hydrogen emits energy at radio wavelengths, and neutral hydrogen at earlier times in the Universe is redshifted to longer wavelengths.

Once a main sequence star consumes the hydrogen at its core, the loss of energy generation causes gravitational collapse to resume.

Altair has the New Suspected Variable designation NSV 24910 and is unusually bright for its spectral type and so may be becoming a subgiant star that is beginning to evolve off the main sequence, as it begins to fuse the increasing amounts of helium «ash» mixed with hydrogen at its core.

It appears to be a subgiant star that is evolving off the main sequence, as it begins to fuse the increasing amounts of helium «ash» mixed with hydrogen at its core.

Squeezing hydrogen at extreme pressures changes it into a mix of honeycombed atoms layered with free - floating molecules — an entirely new state of the element and the first new phase found in decades.

It is a vicious cycle: having to load up on all that hydrogen at ground level makes the rockets heavy, increasing the amount of fuel they need to escape the gravitational clutches of Earth.

Understanding these effects is also important for other applications such as splitting water molecules to produce hydrogen at solid - liquid interfaces, electronic devices that rely on oxide - oxide interfaces, or other electrochemical processes using these materials as catalysts, where defects serve as the sites that enable the interactions.

Astronomers expect that PaST will reveal a uniform haze of bright neutral hydrogen at about 200 million years after the big bang that became increasingly punctuated by bubbles of ionized — and thus dark — hydrogen surrounding the first stars.

Isaac Silvera and Ranga Dias at Harvard University used the flattened tips of two synthetic diamonds to squeeze solid hydrogen at low temperatures, until the atoms were so packed that they started to share electrons.

Now instruments on board Messenger have confirmed the presence of hydrogen at these locations, a clear indication that water is present.

The researchers were able, for the first time worldwide, to observe the radioactive decay of artificially generated nuclei of super-heavy hydrogen at the Mainz MAMI particle accelerator using a combination of several magnetic spectrometers.

Like the Sun, it is a main - sequence star, which means it is generating energy by fusing hydrogen at its centre into helium.

Lyman alpha arises from hydrogen at a wavelength of 1216 angstroms (121.6 nanometers), but sunlight with the same wavelength illuminates gas that streams into the solar system from beyond, obscuring the view.

Drivers get a short training class, then pump their own hydrogen at GM - selected sites in southern California, New York and Washington, D.C.

After receiving instruction on hydrogen fueling, drivers will pump and pay for their own hydrogen at several Honda - approved stations.

The object studied here has a redshift of z = 5.913, i.e., the Lyman - alpha spectral line of hydrogen at 1216 angstrom (Å) at the rest frame is detected at 8406 Å, when the Universe was about one billion years old.

The best idea so far has been carbon nanotubes — microscopic structures that can pack away large quantities of hydrogen at normal pressure within a relatively small space.

She hopes that HRL staffers can eventually identify a «Goldilocks» compound with sufficient adsorption capacity that will release hydrogen at 150 degrees C or even lower.

If it were even a tiny bit stronger, the whole world would be made of hydrogen; if it were weaker, there would be no hydrogen at all.

Several companies are already using renewable sources of gas to make hydrogen at large - scale steam - reformation facilities and on - site production plants.