Sentences with phrase «fuel cell device»

More on Fuel Cell Chargers: TreeHugger Review: Medis 24/7 Power Pack Fuel Cell Charger Toshiba Just Months Away From First Fuel Cell Device Third Gen Mobion Chip is 25 % More Efficient, That Much Closer to Fuel Cell Powered Gadgets

To the use of fuel cell technology and other industry changes, new definitions have been added for Protruding Equipment, Fuel Cell Device, and Fuel Cell System.

Not exact matches

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

Next steps include expanding the use of the technology to different applications, such as solar and fuel cells; and using the battery to power different kinds of electronic devices.

And on a different technological track, hydrogen - powered fuel - cell cars — powered by devices Musk has publicly called «fools cells» — are beginning to enter the market, led by Japanese automakers.

Developers of fuel cells and other conversion devices also need to improve the control of heat.

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].

The work, which appears in the November 27, 2014, edition of Science Express, points to new avenues for producing single - site supported gold catalysts that could produce high - grade hydrogen for cleaner energy use in fuel - cell powered devices, including vehicles.

The higher energy capacity of this miniature thin - film fuel cell battery «will lead to further new classes of personal electronics, such as autonomous sensors and communication devices that are not currently possible with existing battery technologies,» Morse asserts.

Energy - converting devices like fuel cells being developed to power some types of electric vehicles rely on platinum's catalytic properties to transform

Materials with these novel characteristics would be useful in devices such as rechargeable batteries, sensors, gas converters and fuel cells.

Oxygen electrochemistry plays a key role in renewable energy technologies such as fuel cells and electrolyzers, but the slow kinetics of the oxygen evolution reaction (OER) limit the performance and commercialization of such devices.

Fuel Cells Electricity from any source, such as solar, wind and even coal, can be used to break up water molecules into their hydrogen and oxygen components in a device called an electrolyzer.

The innovation is especially significant for small devices, Hunter says, because other energy - storage technologies — such as fuel cells, batteries, and flywheels — tend to be less efficient, or simply too complex to be practical when reduced to very small sizes.

However, the number of photovoltaic cells needed for such devices mean it can not compete on price with fossil fuels, says Daniel Gamelin, a chemist at the University of Washington in Seattle.

«Compared to any other device that converts chemical energy into electricity, the fuel cell, and in particular the solid oxide or ceramic fuel cell, is hands down the most efficient,» says veteran fuel cell researcher Eric Wachsman, director of the University of Maryland Energy Research Center, who published research pointing the way to lower temperature SOFCs on November 18 in Science.

Energy storage devices, such as fuel cells and rechargeable batteries, convert chemical energy into electricity through a chemical reaction.

The research team expects this fuel cell may be suitable for portable electronic devices such as smartphones, laptops, and drones that require high power - density and quick on / off.

Prof. Choi and his Ph.D. student Kun Joong Kim have developed a miniaturized solid oxide fuel cell (SOFC) to replace lithium - ion batteries in smartphones, laptops, drones, and other small electronic devices.

Compounds dubbed «redox mediators» then act like wires, transporting electric charge from these enzymes to electrodes that lead from the fuel cell to whatever device it is powering.

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.

In fact, cadmium telluride solar cells are currently the most ecofriendly devices, even though they use a toxic heavy metal, primarily because they require the least energy — typically provided by burning fossil fuels — to manufacture, says environmental engineer Vasilis Fthenakis, senior scientist at Brookhaven National Laboratory's National Photovoltaic Environment Research Center in Upton, N.Y., and Columbia University.

Within a few years, laptops and other energy - guzzling portable devices could run on long - lasting, easily recharged fuel cells based on a safe and practical new way of storing and releasing hydrogen.

In addition to memory devices, the material could ultimately find applications in fuel cells and electrodes for lithium ion batteries, Lu says.

Strontium cobaltites are just one example of a class of materials known as transition metal oxides, which is considered promising for a variety of applications including electrodes in fuel cells, membranes that allow oxygen to pass through for gas separation, and electronic devices such as memristors — a form of nonvolatile, ultrafast, and energy - efficient memory device.

That's been a high hurdle for devices called solid oxide fuel cells (SOFCs) that convert fuels — such as methane and hydrogen — directly to electricity without burning them.

As high power density devices, fuel cells can convert chemical energy directly into electric power very efficiently and environmentally friendly.

Because platinum is at the center of many clean energy and green chemicals production technologies, such as fuel cells, catalytic converters, and value - added chemicals from bio-renewable feedstocks, the new, less expensive platinum - copper catalysts could facilitate broader adoption of such environmentally friendly devices and processes, she added.

«This work paves the way for not only paper - based electronics with graphene circuits,» the researchers wrote in their paper, «it enables the creation of low - cost and disposable graphene - based electrochemical electrodes for myriad applications including sensors, biosensors, fuel cells and (medical) devices.»

Understanding these effects quantitatively is important in order to develop this promising family of materials for potential applications including new types of low - energy computer memory and processing devices, electrically based refrigeration, and electro - catalytic energy - conversion devices such as fuel cells.

Energy: Fuel cells capable of powering portable electronic devices are finally heading towards the...

At the time, Nocera's group focused on using the captured hydrogen as a chemical fuel, which can either be burned directly or run through a device called a fuel cell to produce electricity.

Being able to gather this dynamic information is vital to building better batteries, fuel cells, and other energy devices.

Risk Assessment Form (3) Required for projects using hazardous chemicals, activities or devices, and some PHBA's including protists, composting, coliform test kits, decomposition of vertebrate organisms and microbial fuel cells and must be completed and signed by the DS or QS prior to student experimentation.

One of those users is Dane Morgan, a professor of engineering at the University of Wisconsin - Madison who develops new materials for a wide range of applications, including highly active catalysts for fuel cells, stable low - work function electron emitter cathodes for high - powered microwave devices, and efficient, inexpensive, and environmentally safe solar materials.

Whole - organism biofuel cells require engineers to design a space - adding membrane that prevents unwanted reactions between fuel, the charge - transporting agent and the electron - accepting metal, the latter being the electrode that carries the electricity to the device.

His professional career in alternative energy research has spanned more than 25 years, centering on development of solar energy conversion devices and on hydrogen and fuel cell technologies.

Dr. Weber has coauthored ~ 90 peer - reviewed articles and 10 book chapters on fuel cells, flow batteries, and related electrochemical devices, developed many widely used models for fuel cells and their components, and has been invited to present his work at various international and national meetings.

Hassett invented a baseball - bat - size device called a microbial fuel cell.

The UUV leverages GM fuel cell technology common with the Colorado ZH2, demonstrating the flexibility to power a range of mobile and stationary devices.

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Apple has applied for two patents involving the use of hydrogen fuel cells to power portable computing devices, such as laptops and tablets, according to AppleInsider.

Plug Power focuses on A fuel cell which is an electrochemical device that combines hydrogen and oxygen to produce electricity and heat.

The hydrogen molecule is able to generate power by passing through a device such as a hydrogen fuel cell.

A new, stable artificial photosynthesis device doubles the efficiency of harnessing sunlight to break apart both fresh and salt water, generating hydrogen for use in fuel cells.

In 2011, the company unveiled a sample device made of a solar cell, cobalt and nickel that could split water and harvest hydrogen in a fuel cell.

The best way to do this, in my opinion, is using a fuel cell — a device that can electrochemically convert natural gas into a useable fuel by stripping off the hydrogen portion of the methane molecule and combining it with oxygen to generate clean electricity and some waste heat.

Fuel cells are highly efficient devices for converting chemical energy from fuel into electricFuel cells are highly efficient devices for converting chemical energy from fuel into electricfuel into electricity.

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Such characteristics could prove useful in future microbial fuel cell designs where the device need not always be operational but must survive long periods of hazardous conditions before being used.