Sentences with phrase «fuel cells generate»

Fuel cells generate electrical energy through a chemical reaction of hydrogen and oxygen.

In practice, fuel cells and batteries are combined, with the fuel cell generating electricity and the batteries storing it until demanded by the motors that drive the vehicle.

The Mirai's hydrogen fuel cell generates electricity by combining hydrogen with oxygen, in effect replacing a traditional battery.

The fuel cell generates electricity (and water vapor), so Toyota is pitching the Mirai as an emergency generator for the house during a power failure.

Fuel cell - A fuel cell generates electricity in a direct and continuous way from the controlled electrochemical reaction of hydrogen or another fuel and oxygen.

As you cook, our fuel cell generates electricity that is then stored inside the VOTO charging unit.

The hydrogen is storage in low pressure tanks and then with the uses of a fuel cell generates electricity and heat supplying the public energy grids.

Not exact matches

And Bristol University in the UK is working on underwater robots that generate electrical energy by foraging for biomatter to feed a chain of microbial fuel - cell stomachs.

A microbial fuel cell, for example, could generate electricity by capturing electrons from the bacteria on electrodes instead of the rocks that these organisms evolved to breathe.

A new approach to tiny fuel cells implanted in rats enables the devices to generate electricity for months using sugar in the rodents» bodies

Such organelles as mitochondria, for instance, generate fuel; in plant cells, chloroplasts manufacture sugars to break down into that fuel.

This week in Science Advances, he offers one answer: a fuel cell that generates electricity while converting carbon dioxide into a commodity chemical.

The exciting implication is that next - generation wastewater treatment plants could use new technologies, including microbe - powered fuel cells, to capture enough methane, hydrogen, and other fuels from wastewater to generate all the energy they need, and then some.

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 20fuel - 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 20cell 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 20Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 20Cell Cars,» by Steven Ashley; Scientific American, March 2005].

But he points out that the ethanol process also generates a lot of carbon monoxide, which the high - power fuel cells that might someday propel cars can not tolerate.

Therefore, it must be first generated (e.g., by electrolysis of water), then stored, to be finally used — ideally in fuel cells transforming chemical energy directly into electrical one.

At night the hydrogen and oxygen could be used by a fuel cell to generate electricity.

The board is a DC / DC converter that evens out the power generated by the fuel cells, which fluctuates with the amount of sweat produced by a user, and turns it into constant power with a constant voltage.

Scientists have shown that fuel cells implanted in rats can successfully generate electricity from sugar in the rodent's bodies.

Professor Edwards added: «Instead of burning fossil fuels, leading to CO2, we use them to generate hydrogen, which with fuel cells produces electric power and pure water.

Elizabeth Heidrich, a PhD student at Newcastle University in England and lead author of the new study, studies microbial fuel cells — devices that generate electrical current by capturing the electrons freed as bacteria break down organic matter in wastewater.

Platinum is also crucial to the reactions in fuel cells, which combine hydrogen and oxygen to generate electricity.

Hydrogen fuel cells, which expel only water and heat as waste, are an appealing way to generate clean electricity, but the present technology relies on expensive platinum catalysts.

Somatic cells generate their energy in an oxygen - fueled process called oxidative phosphorylation, which takes place in the mitochondria, also known as cellular powerhouses.

But such solid - oxide fuel cells (SOFCs) can efficiently combine everyday fossil - fuel natural gas with oxygen from the air — without burning — to generate electricity on a small scale.

The hydrogen passes through a membrane and combines with oxygen in the fuel cell, generating electricity and waste water.

It is this reaction that causes the fuel cell to generate electricity.

Chemist Don Gervasio and colleague Sonja Tasic, both at Arizona State University in the US, set out to develop a fuel cell that would generate more electricity for its weight than the best batteries, and would also work at room temperature.

Scientific American's 2006 researcher of the year, M.I.T.'s Angela Belcher, has engineered a virus so that it captures light energy and uses it to catalyze the splitting of water, a first step in a possible new way to generate hydrogen for fuel cells.

There, the fuel cell forces the hydrogen electrons through a circuit, generating current and powering the motor before the electrons rejoin the hydrogen protons and oxygen to form the car's only emission: water.

Researchers have long looked for simple systems to combine protons and electrons to form H2, a carbon - free fuel that can be burned directly to power cars or run through a fuel cell to generate electricity.

The fuel cells combine hydrogen, water and oxygen to generate electricity.

The history of microbial fuel cells goes back to the beginning of the 20th century when scientists connected bacteria cells with electrodes to generate electricity.

Simulations by Rice University scientists show how carbon nanomaterials may be optimized to replace expensive platinum in cathodes for electricity - generating fuel cells for transportation and other applications.

A microbial fuel cell — which generates power by feeding organic matter (which saliva has lots of) to bacteria, which, in turn, produce electrons — was a natural candidate for their projects.

Low - altitude pikas have a modified version that seems to generate lots of heat but less fuel for the cell.

Results of the investigation have numerous uses in the field of hydrogen fuel cell vehicles as well as the chemical industry, as this new method is capable of generating hydrogen from methane gas and electricity in just one step and with near - zero energy loss.

Their ultimate goal is to find ways to use solar energy — either directly or via electricity generated by solar cells — to convert the end products of hydrocarbon combustion, water and carbon dioxide, back into a carbon - based fuel.

«These bacteria show great potential as microbial fuel cells, where electricity can be generated from the breakdown of domestic or agricultural waste products.

It also could be valuable as a feedstock for generating green electricity and as an ingredient in environmentally friendly fuel cells to power cars and trucks.

Sulfate - reducing mixed communities with the ability to generate bioelectricity and degrade textile diazo dye in microbial fuel cells — Waheed Miran — Journal of Hazardous Materials

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.

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.

While algae - powered fuel cells are unlikely to generate enough electricity to power a grid system, they may be particularly useful in areas such as rural Africa, where sunlight is in abundance but there is no existing electric grid system.

He used Microbial Fuel Cells (MFCs) and found what design and conditions work best for generating electricity.

I've often thought the most appropriate application of fuel cell technology would be for windmills and solar installations to generate hydrogen with a portion of their energy, which could be used in an adjacent stationary fuel cell when they don't.

A molecule called ATP (which stands for adenosine triphosphate), is actually the body's key fuel and we have microscopic energy - producing factories in our cells, especially muscle cells, that exist specially to provide us with all - important ATP that can be generated from fats, carbs or proteins.

Also, while ketones can replace glucose as a fuel, they can not glycosylate proteins, or generate ROS in the manner needed by immune cells.

You can read more about ATP in the Exercise Energy Systems article, but for the purposes of this article all you really need to know is that ATP fuels your muscles during exercise and your muscle cells need oxygen during aerobic endurance exercise to generate ATP.

kicks cell metabolism from processing sugar to glucose to generating ketones and using fat as a cellular fuel..