Sentences with phrase «into oxygen and hydrogen»

There is another use — artificial photosynthesis, or using solar energy to convert water into oxygen and hydrogen.
The artificial leaf is essentially a silicon solar cell that has different catalytic materials bonded to each side that allow it to split water molecules into oxygen and hydrogen, the latter of which could be stored and used as clean fuel.
That said, there are seductive small - scale options emerging, like the Fronius Energy Cell system in which any excess electricity from a PV cell used to decompose water into oxygen and hydrogen by electrolysis.
First, power from solar or wind turns water into oxygen and hydrogen.
Operators can convert electrical energy into stored chemical energy in hydrogen by using electricity for electrolysis, which splits water into oxygen and hydrogen.
The current splits water molecules into oxygen and hydrogen, and bacteria in the water transform carbon dioxide and hydrogen into fuels or other useful chemicals.
The material is called synthetic molybdenum - sulphide and it goes a step beyond just being an excellent sponge for moisture, it also acts as a semi-conductor and catalyses the split of water molecules into oxygen and hydrogen.
It will focus on catalyst development for four applications: proton exchange membrane fuel cells to convert stored energy in non-fossil fuels into electricity; electrolysers for splitting water into oxygen and hydrogen — a potential clean fuel cell source; syngas, a mixture of CO and H2, which is generated from coal, gas and biomass, and widely used as a key intermediate in the chemical industry; and lithium - air batteries.
One of the most promising ideas for storing renewable energy is to use the excess electricity generated from renewables to split water into oxygen and hydrogen; the hydrogen can then be fed into fuel - cell vehicles.
Light comes in four photons, and then it hits the leaf, and it splits water into oxygen and hydrogen.
In this case, a solar panel slightly bigger than a playing card harnesses the sun's energy to generate an electric current that splits water into oxygen and hydrogen — a process known as electrolysis.
The new device relies on a metallic blend of nickel and nickel oxide nanostructures, which help split water into oxygen and hydrogen fuel.
How the «moth eye solar cell» functions: with the help of sunlight water molecules are split into oxygen and hydrogen.
This process could form the basis of a practical solar - energy storage system, Nocera says, in which electric current from a solar cell passes through water to the catalyst, breaking the water into oxygen and hydrogen through electrolysis.
A key aspect of this process involves splitting water into oxygen and hydrogen.
Rechargeable batteries are too heavy for the job, so engineers are planning to try a technology that would use current to separate water into oxygen and hydrogen during the day, and then reverse the process at night via fuel cells to produce electricity.
A second explosive risk could arise because both heat and radiation can disassemble water into oxygen and hydrogen.
One of the cleanest reactions is the conversion from water into oxygen and hydrogen.
Only then does the catalyst do its «normal job» of accelerating the partitioning of water into oxygen and hydrogen.
An electrolyzer works by running an electrical current through water that splits it into oxygen and hydrogen.
Using excess energy from renewable energy resources such as solar and wind to split water into oxygen and hydrogen — a process called electrolysis — could be the best solution for creating large supplies of sustainable hydrogen fuel.
The device uses solar electricity from a photovoltaic panel to power the chemistry that splits water into oxygen and hydrogen, then adds pre-starved microbes to feed on the hydrogen and convert CO2 in the air into alcohol fuels.
When Kanzius placed salt water in the path of the waves, however, the water broke apart into oxygen and hydrogen, a flammable gas.
The current splits water molecules into oxygen and hydrogen, and bacteria in the water transform carbon dioxide and hydrogen into fuels or other useful chemicals.

Not exact matches

Elements and compounds below the surface could be used to create fuel, including water, which can be split into useful hydrogen and oxygen.
«Electricity splits water into hydrogen and oxygen, and the same cell can later use the hydrogen to produce electricity and heat.»
Hydrogen peroxide breaks down into water and oxygen and is a more environmentally safe alternative to chlorine bleach.
It does not break the water molecules down into hydrogen and oxygen.
Once a star's core runs out of hydrogen, it fuses helium into carbon, oxygen and nitrogen.
When hydrogen and oxygen combine in a planet's atmosphere, they can ignite into a ball of fire and then leave behind liquid water oceans that would be good for life
Kesterites acting as photocatalysts might be able to split water into hydrogen and oxygen using sunlight, and to store solar energy in the form of chemical energy,» explains Schorr.
Nocera had been working on a «bionic leaf» in which solar panels provide the energy to split water into hydrogen and oxygen gases.
When the enzyme catalase comes into contact with its substrate, hydrogen peroxide, it starts breaking it down into water and oxygen.
Kanzius had essentially replicated the centuries - old method of water electrolysis, separating water into hydrogen and oxygen gases by running a current through water loaded with salt, which makes it conductive.
BUGGING OUT Not only can this insectlike robot fly and swim, but it also splits water into hydrogen and oxygen gas, which the bot ignites to propel itself from the water.
Researchers have used cobalt oxide nanoparticles to split water into hydrogen and oxygen.
Under pressure and heat, the dead creatures» long chains of hydrogen, oxygen, and carbon - bearing molecules, known as polymers, decompose into short - chain petroleum hydrocarbons.
What differentiates this process from tradition biofuel production is the infusion of hydrogen — it removes the dilutive oxygen that most biofuels contain, leaving only the combustible isoparaffins and paraffins, which are indistinguishable from the molecules in refined petroleum.The only byproduct of the process is propane, which can be reintroduced into the production loop as a source of hydrogen.
In superheating, water is heated well beyond its boiling point — in this case from 1,000 to 1,300 degrees Celsius — producing high - temperature steam to run turbines and also to operate solar reactors to split the water into hydrogen and oxygen.
Clean renewable energy can be produced by photocatalytically splitting water into hydrogen and oxygen with solar energy.
Once the nanoparticles are added and light applied, the water separates into hydrogen and oxygen almost immediately, producing twice as much hydrogen as oxygen, as expected from the 2:1 hydrogen to oxygen ratio in H2O water molecules, Bao said.
Their research, published online Sunday in Nature Nanotechnology, involved the use of cobalt oxide nanoparticles to split water into hydrogen and oxygen.
The second - stage reaction strips off the fatty acids» carboxyl group (a carbon atom, two oxygen atoms, and a hydrogen atom) and breaks the remaining hydrocarbon chains into smaller fragments, yielding a light oil.
«Splitting water usually requires two different catalysts, but our catalyst can drive both of the reactions required to separate water into its two constituents, oxygen and hydrogen,» says study leader Associate Professor Chuan Zhao.
During photosynthesis plants use solar energy to convert carbon dioxide and water into hydrogen - storing carbohydrates and oxygen.
Shining blue light on the particles caused the haematite cubes to catalyse the breakdown of nearby hydrogen peroxide into water and oxygen.
And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 2005].
With no nuclear fusion to sustain them, they collapse into Earth - size balls of tightly bound carbon and oxygen nuclei with an outer layer of hydrogen plasma (disrupted atoms).
Ethanol is such a small, simple molecule — just two carbon atoms, six hydrogens, and a spare oxygen — that it pours directly out of the stomach and small intestine into the bloodstream.
He said the free electrons on the leaf's surface then interact with water, catalyzing its split into oxygen on the leaf's light side and hydrogen on the dark side.
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