Energy forms

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Renewable energy (272)
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Sustainable energy (17)

Synopsis: Energy: Energy generale: Energy forms:

and can work for 12 hours without electricity.##Bluetooth can also provide new ways of communicating in rural settings where internet access is unavailable or out of reach for the poor.

He also developed Com-Me, a collection of hardware and software components to help people with limited access to electricity

#Generating Electricity While Remaining See-through New Energy technologies Inc. NENE), developer of see-through Solarwindowt coatings, capable of generating electricity on glass and flexible plastics,

today announced that its technology has set a new record for generating electricity while remaining see-through with over 50%greater power than prior attempts publicized by others.

Using today certified power-production data, Company engineers estimate that a Solarwindowt installation on a fifty (50) story commercial building located in Florida could generate enough electricity to power at least 100 homes

while eliminating the equivalent carbon emissions produced by vehicles driving approximately 2, 750,000 miles per year. Additional total power production and carbon offset estimates for skyscraper

The Company announcement is based on results of independent testing and certification of its Solarwindowt modules by the U s. Department of energy National Renewable energy Laboratory (NREL.

Inc. e are engineering our see-through Solarwindowt products to generate sustainable electricity, and be aesthetically attractive,

In contrast, conventional solar power systems are limited to very small rooftop areas on skyscrapers and tall towers,

and Dr. Scott Mauger. s NREL researchers, part of our mandate is to help companies move their renewable energy technologies closer to commercialization,

and over its 37-year history has been credited for ground-floor support of many of the commercial technologies employed by today renewable energy industries.

NREL and New Energy have been working through a Cooperative Research and development Agreement to advance the Company Solarwindowt technology for generating electricity on glass windows.

experimental lab device to a first-of-its-kind, see-through glass window capable of generating electricity.

About New Energy technologies, Inc. New Energy technologies, Inc.,together with its wholly owned subsidiaries, is a developer of next generation alternative and renewable energy technologies.

which generates electricity on see-through glass and flexible plastics with colored tints popular to skyscraper glass.

generating electricity using natural and artificial light conditions and even shaded areas. Solarwindow#uses organic materials,

and commercial partners, we strive to identify technologies and business opportunities on the leading edge of renewable energy innovation.

Cleveland-based quasar energy group uses organic waste to produce a renewable energy source known as biogas which is converted then into Compressed natural gas (CNG) one of two fuels that can power the 2015 Chevrolet Bi-fuel Impala.

For instance its Columbus Ohio Renewable energy Facility processes up to 25000 wet tons of biosolids from the City of Columbus Department of Public utilities for wastewater.

More information on Chevrolet models can be found at www. chevrolet. com. quasar is a Cleveland Ohio based renewable energy company that designs builds owns

Before every contraction, the potential energy trapped in chemical bonds within cardiac muscle cells is released and converted into the mechanical power of the heartbeat.

Theye developed a superthin device that can be attached to an organ to generate electricity from its movements.

The tiny device is already within the range of generating enough electricity to power a pacemaker on its own,

it generates electrical energy from the movement. Because organ movements occur as pulses, the team had to include energy storage in their creation

so that electricity could be delivered continually. They accomplished this by building in a tiny chip-scale

The team found through testing that their system could deliver 0. 2 microwatts per square centimeter of stable electricity over 20 million cycles.

Their system converts mechanical to electrical energy at about two percent efficiency, a number that Rogers says is need based on the not to interfere with the target organ natural operation.

and contribute to electricity consumption and CO2 EMISSIONS, while battery-powered ones only last as long as their battery life.

and thermal energy as well as radio waves and vibrations to power themselves. They are focusing on making energy harvesters more efficient

Combined, commercial refrigerator/freezers like these are estimated to consume 85 TWH (terawatt hours) of electricity every year.

That is roughly equivalent to the total yearly output of eight or nine late-generation nuclear power plants. This places a huge burden on power grids and the environment

powered by a solar cell located on the flat top of the container. A fibre-optic grid monitors any deformations in the bag (signs of tearing

and tested a refrigeration system driven by solar energy for the food and agro industry in the Mediterranean region.

The only effective way of ensuring a more environmentally friendly energy supply is by using renewable energy.

'We also derive electricity from solar energy but who ever heard of getting cold from sun?

This machine cools a water-glycol mixture up to negative temperatures of about-10°C."By using heat instead of electricity,

and water to synthesis gas (syngas) in a high-temperature solar reactor containing metal-oxide based materials developed at ETH Zürich.

In the next phase of the project, the partners plan to optimise the solar reactor and assess

These results enable the operation to be estimated for a particular reactor and allow access to details that could not have been gained through measurements alone.

A detailed analysis of results enables engineers to improve reactor design for higher energy efficiency. Such reactors not only improve operating conditions

but also allow for a more sustainable use of resources. These outstanding results were possible thanks to a partnership between Prof.

Because biochar can be produced from various waste biomass including agricultural residues this new technology provides an alternative

she says. hese proteins could accomplish that same task enzymatically, without the need for reactors and formation of dangerous byproducts.

and has been shown to cause cancer. ecause biochar can be produced from various waste biomass including agricultural residues this new technology provides an alternative and cost-effective way for arsenic removalsays Bin Gao associate professor of agricultural

#This fusion reactor could be cheaper than coal University of Washington Posted by Michelle Ma-Washington on October 16 2014fusion energy almost sounds too good to be true#zero greenhouse gas emissions no long-lived radioactive waste a nearly unlimited fuel supply.

They have designed a concept for a fusion reactor that when scaled up to the size of a large electrical power plant would rival costs for a new coal fired plant with similar electrical output.

The team published its reactor design and cost-analysis findings last spring and will present results this week at the International atomic energy agency s Fusion energy Conference in St petersburg Russia. ight now this design has the greatest potential of producing economical fusion power of any current conceptsays Thomas Jarboe a professor

of aeronautics and astronautics and an adjunct professor in physics. The reactor called the dynomak started as a class project taught by Jarboe two years ago.

After the class ended Jarboe and doctoral student Derek Sutherland#who previously worked on a reactor design at the Massachusetts institute of technology#continued to develop

and refine the concept. The design builds on existing technology and creates a magnetic field within a closed space to hold plasma in place long enough for fusion to occur allowing the hot plasma to react and burn.

The reactor itself would be largely self-sustaining meaning it would continuously heat the plasma to maintain thermonuclear conditions.

Heat generated from the reactor would heat up a coolant that is used to spin a turbine

and generate electricity similar to how a typical power reactor works. his is a much more elegant solution because the medium in

which is crucial to keeping a fusion reactor going. The new design is known as a spheromak meaning it generates the majority of magnetic fields by driving electrical currents into the plasma itself.

and actually allows researchers to shrink the overall size of the reactor. Other designs such as the experimental fusion reactor project that s currently being built in France#called Iter#have to be much larger than the dynomak

because they rely on superconducting coils that circle around the outside of the device to provide a similar magnetic field.

When compared with the fusion reactor concept in France the dynomak is much less expensive#roughly one-tenth the cost of Iter

Jarboe and colleagues factored the cost of building a fusion reactor power plant using their design and compared that with building a coal power plant.

because the commercial reactor unit already looks economicalsutherland says. t s very exciting. ight now the concept is about one-tenth the size and power output of a final product

The team has filed patents on the reactor concept and plans to continue developing and scaling up its prototypes.

#New polymer makes solar cells more efficient Solar cells made from polymers have the potential to be cheap and lightweight

but scientists are struggling to make them generate electricity efficiently. A polymer is a type of large molecule that forms plastics

Now a team of researchers led by Yu has identified a new polymer that allows electrical charges to move more easily through the cell boosting electricity production. olymer solar cells have great potential to provide low-cost lightweight

The active regions of such solar cells are composed of a mixture of polymers that give and receive electrons to generate electrical current

The new polymer developed by Yu s group called PID2 improves the efficiency of electrical power generation by 15 percent

when added to a standard polymer-fullerene mixture. ullerene a small carbon molecule is one of the standard materials used in polymer solar cellslu says. asically in polymer solar cells we have a polymer as electron donor

and fullerene as electron acceptor to allow charge separation. n their work the researchers added another polymer into the device resulting in solar cells with two polymers and one fullerene.

when an optimal amount of PID2 was added the highest ever for solar cells made up of two types of polymers with fullerene

The group which includes researchers at the Argonne National Laboratory is now working to push efficiencies toward 10 percent a benchmark necessary for polymer solar cells to be viable for commercial application.

In order for a current to be generated by the solar cell electrons must be transferred from polymer to fullerene within the device.

The fibers serve as a pathway to allow electrons to travel to the electrodes on the sides of the solar cell. t s like you re generating a street

Small cantilever motion harvesters are placed on the bellows and convert this kinetic energy into electrical energy. This powers sensors that also are placed on the bellows

A fuel cell combines stored hydrogen gas with oxygen from the air to produce electricity which powers the car.

could eventually save hydrogen producers billions of dollars in electricity costs according to Gong. His next goal is to improve the durability of the device. he electrodes are fairly stable

That goal is achievable based on my most recent resultshe researchers also plan to develop a water splitter than runs on electricity produced by solar energy. ydrogen is an ideal fuel for powering vehicles buildings

and storing renewable energy on the gridsays Dai. e re very glad that we were able to make a catalyst that s very active and low cost.

#Clear material on windows harvests solar energy Michigan State university rightoriginal Studyposted by Tom Oswald-Michigan State on August 20 2014a new type of ransparent solar concentrator

or mobile devices to harvest solar energy without obscuring the view. Past efforts to create similar materials have been disappointing with inefficient energy production

The lowinginfrared light is guided to the edge of the plastic where it is converted to electricity by thin strips of photovoltaic solar cells. ecause the materials do not absorb

The technology is featured in the journal Advanced Optical Materials. t opens a lot of area to deploy solar energy in a nonintrusive waylunt says. t can be used on tall buildings with lots of windows or any kind of mobile device that demands high aesthetic quality like a phone or e reader.

and converts it into electricity. Vast amounts of excess heat are generated by industrial processes and by electric power plants.

Researchers have spent decades seeking ways to harness some of this wasted energy. Most such efforts have focused on thermoelectric devicesâ##solid-state materials that can produce electricity from a temperature gradientâ

##but the efficiency of such devices is limited by the availability of materials. Now researchers have found a new alternative for low-temperature waste-heat conversion into electricityâ##that is in cases where temperature differences are less than 100 degrees Celsius.

which states that the voltage of a rechargeable battery is dependent on temperature. o harvest thermal energy we subject a battery to a four-step process:

When the battery has cooled it actually delivers more electricity than was used to charge it. That extra energy doesn t appear from nowhere explains Cui.

The process resulted in an electricity-conversion efficiency of 5. 7 percent almost double the efficiency of conventional thermoelectric devices.

and deployed to use it. he results are very promising says Peidong Yang a professor of chemistry at the University of California Berkeley who was involved not in the study. y exploring the thermogalvanic effect the researchers were able to convert low-grade heat to electricity with decent efficiencyhe says. his is a clever idea

The DOE in part through the Solid-state Solar-Thermal energy Conversion Center helped support the MIT research.

and viruses. ur motors extract chemical energy from RNA molecules decorated on the nanotubes and use that energy to fuel autonomous walking along the carbon nanotube trackchoi says.

CNTS are long chains of carbon atoms that are extremely efficient at conducting and controlling electricity.

Depending on how the CNTS grow a fraction of these carbon nanotubes can end up behaving like metallic wires that always conduct electricity instead of acting like semiconductors that can be switched off.

Then they pumped the semiconductor circuit full of electricity. All of that electricity concentrated in the metallic nanotubes

which grew so hot that they burned up and literally vaporized into tiny puffs of carbon dioxide.

#Colonies of wired microbes turn sewage into electricity Stanford university rightoriginal Studyposted by Tom Abate-Stanford on September 19 2013a new way to generate electricity from sewage uses naturally occurring ired microbesas mini power plants

to produce electricity as they digest plant and animal waste. Scientists hope the icrobial batterycan be used in places such as sewage treatment plants

and produce electricity that is captured by the battery s positive electrode. e call it fishing for electronssays Craig Criddle a professor in the department of civil and environmental engineering at Stanford university.

Engineers estimate that the microbial battery can extract about 30 percent of the potential energy locked up in wastewater.

That is roughly the same efficiency at which the best commercially available solar cells convert sunlight into electricity.

because it could offset some of the electricity now used to treat wastewater. That use currently accounts for about 3 percent of the total electrical load in developed nations.

Most of this electricity goes toward pumping air into wastewater at conventional treatment plants where ordinary bacteria use oxygen in the course of digestion just like humans and other animals.

#Will 3d printing bring space-based solar power to reality? Spiderfab 3-D robotic printer Since the 1970##s, space-based solar power has been a futuristic fantasy

but the advent of 21st#century 3-D printing may bring it a step closer to reality.

It would##enable construction of large support structures for systems such as multi-hundred-kilowatt solar arrays, large solar sails,

##For#space-based solar power (SBSP), there would be two basic steps, Hoyt explained. First, the 3-D printer would build a carbon fiber truss structure that would act as a frame for the system.

if concentrating solar power was being deployed.####We haven t yet looked in detail at space-based solar,

But a just-completed design analysis for a 300-kilowatt orbital solar array verified that Spiderfab can provide the projected tenfold decrease in stowed volume

TUI also developed a lab version of the device that would fabricate the truss structure in that analysis.##Geostationary solar could produce baseload electricity for 99 percent of the hours of the year,

Terrestrial solar arrays have achieved grid parity Davis said, but without storage they cannot provide the baseload power utilities need.

or triple our electricity rates.####The Solar High Group is working##to put together a consortium of government and industry,

The microwave transmission that would deliver SBSP s electricity from an orbiting antenna to terrestrial rectennas would be##2 million times the power of that produced by the microwave oven.##

After many years of development and testing, the WMS1000 (shown above) became the world first wind turbine able to produce 1, 000 liters of water a day from air condensation.

and is designed to work with PV solar panels and batteries, to continually generate water even in emergency situations.

in order to take advantage of the sun s energy, or grow indoors with the help of artificial lights. Vertical farming is promising

Recently, more and more studies have focused on pairing solar panels and wind turbines with greenhouses to provide self-generated renewable electricity on-site.

But the single technology that will be key to making vertical farms possible is lighting. New LED light technology is the key that makes it possible to build vertically integrated farms.

and reduces transmission losses. They re also physically small, have a long service life, lower power consumption, generate less heat,

because solar panels can return power to the grid and make your meter spin backwards. Japanese companies are fascinated with net-zero energy buildings,

A 9. 5-kilowatt solar array, backed up by a 10-kilowatt-hour lithium battery and a 10-kilowatt DC car charger.

and run on stored solar power. A geothermal system with eight, 20-foot deep boreholes uses a heat pump to heat

and cool the home floors and ceiling all year. LED lighting, with five times the efficiency of conventional illumination, is used throughout.

a large machine/small waste treatment plant developed by Janicki Bioenergy (an offshoot of Sedro-Woolley-based Janicki Industries)

but electricity used to power the machine itself. Any leftover electricity generated through the process is fed back into the power grid.

The small amount of solid waste that comes out on the other end is no longer poop

000 people and, from that, produce 86,000 liters of clean water on a daily basis while also generating a net 250 kilowatts of electricity.

The resulting films conduct electricity better than any other sample of graphene produced in the past. Until recently

His team is also looking at using the graphene electrodes in photovoltaic cells. Easing the pain

Prepared to send sizeable chunks of data at any given time the amplifiers stay at maximum voltage eating away power more than any other smartphone component and about 75 percent of electricity consumption in base stations#and wasting

The savings could be substantial Dawson says noting that a large carrier could save $100 million in annual electricity costs.

for example, consumes over 3 percent of the electricity in the United states, yet organics in the wastewater have energy that can be extracted

in the process, generate electricity. This electricity travels through a circuit and onto cathodes coated with separate microbes that consume that electricity

along with carbon dioxide to produce biogas at a rate of up to 100 cubic feet per minute.

Depending on several site factors, this produces anywhere from 30 to 400 kilowatts of electricity. Treated wastewater exits the reactor with 80 to 90 percent of pollutants removed,

so it can be used for irrigation, equipment washing, and other things. The system can treat 10,000 to 1 million gallons of wastewater daily.

through carbon-free energy generation and avoiding municipal wastewater treatment ffectively planting over 4, 400 acres of trees in a year,

At current usage rates, Cambrian estimates the system will generate enough electricity to meet 25 to 50 percent of these breweriesneeds

and provides real-time data thanks to using exoelectrogens as sensors. hese bugs are generating electricity,

to see how well the reactor is doing, explains Buck, who invented Cambrian sensor technologies.

and generates electricity to power itself. Another project, funded by the National Science Foundation, uses exoelectrogens to sense nitrate in wastewater, cheaply and with very high specificity,

and generate electricity for astronauts. Soon, they came across exoelectrogens; a 1999 study had revealed that exoelectrogens could,

In a new Nature Materials paper, the researchers report boosting plantsability to capture light energy by 30 percent by embedding carbon nanotubes in the chloroplast,

Supercharged photosynthesis The idea for nanobionic plants grew out of a project in Strano lab to build self-repairing solar cells modeled on plant cells.

As a next step, the researchers wanted to try enhancing the photosynthetic function of chloroplasts isolated from plants, for possible use in solar cells.

The plant captures this electrical energy and uses it to power the second stage of photosynthesis building sugars.

even at the extremely low power levels characteristic of tiny solar cells. Previous ultralow-power converters that used the same approach had efficiencies of only 40 or 50 percent.

Where most of its ultralow-power predecessors could use a solar cell to either charge a battery

Ups and downs The circuit chief function is to regulate the voltages between the solar cell, the battery,

and falls depends on the voltage generated by the solar cell, which is highly variable. So the timing of the switch throws has to vary, too.

whose selection is determined by the solar cell voltage. Once again, when the capacitor fills, the switches in the inductor path are flipped. n this technology space,

and harvest hydrogen is one of the most intriguing ways to achieve clean energy. Automakers have started introducing hydrogen fuel cell vehicles

But making hydrogen which mostly comes from natural gas requires electricity from conventional carbon dioxide-emitting power plants.

Producing hydrogen at low cost from water using the clean energy from the sun would make this form of energy

When associate professor Qi Hua Fan of the electrical engineering and computer science department set out to make a less expensive supercapacitor for storing renewable energy he developed a new plasma technology that will streamline the production of display screens.

this area of research could revolutionise renewable energy production. Working in collaboration with researchers at the University of Sheffield,

and replace them with synthetic components to create a new generation of solar cells. Professor Evans concludes:"

and pump protons through a membrane, creating a form of chemical energy. They also know that water can be split into oxygen

Graphene is a super strong, super light, near totally transparent sheet of carbon atoms and one of the best conductors of electricity ever discovered.

can create new sources of clean energy. Her team's discovery may provide future consumers a biologically-inspired alternative to gasoline."

In digital electronics these transistors control the flow of electricity throughout an integrated circuit and allow for amplification and switching.

or LEDS, and solar technologies.""Heterojunctions are fundamental elements of electronic and photonic devices, "said senior author Xiaodong Xu, a UW assistant professor of materials science and engineering and of physics."

and solar cells to be developed for highly integrated electronic and optical circuits within a single atomic plane."

which is encouraging for optoelectric and photonic applications like solar cells c

#On the frontiers of cyborg science No longer just fantastical fodder for sci-fi buffs, cyborg technology is bringing us tangible progress toward real-life electronic skin, prosthetics and ultraflexible circuits.

#Stronger better solar cells: Graphene research on the cusp of new energy capabilities (Phys. org) There remains a lot to learn on the frontiers of solar power research particularly

when it comes to new advanced materials which could change how we harness energy. Under the guidance of Canada Research Chair in Materials science with Synchrotron radiation Dr. Alexander Moewes University of Saskatchewan researcher Adrian Hunt spent his Phd investigating graphene oxide a cutting-edge material that he hopes will shape the future

All of this makes graphene a great candidate for solar cells. In particular its transparency and conductivity mean that it solves two problems of solar cells:

first light needs a good conductor in order to get converted into usable energy; secondly the cell also has to be transparent for light to get through.

Most solar cells on the market use indium tin oxide with a nonconductive glass protective layer to meet their needs.

It's the factor that will keep solar cells expensive in the future whereas graphene could be very cheap.

Although graphene is a great conductor it is not very good at collecting the electrical current produced inside the solar cell

Whether or not it will solve the solar panel problem is yet to be seen and researchers in the field are building up their understanding of how the new material works.

It's a pitfall that could be important to understand in the development of long-lasting solar cells where sun could provide risky heat into the equation.

More research like this will be the key to harnessing graphene for solar power as Hunt explains.

"One application the group is now exploring is a thin film solar cell, made of densely packed nanowires,

that could harvest energy from light much more efficiently than traditional thin-film solar cells s

Satellite Signals A wireless device developed by researchers at Duke university that converts microwaves into electricity could eventually harvest Wi-fi or satellite signals for power according to its creators.

In this case the microwave-harvesting metamaterial that acts kind of like a solar panel converting microwaves into up to 7. 3 volts of electricity enough to charge small electronics.

and sound energy harvestingâ#according to Duke graduate student Alexander Katko one of the inventors. â##Until now a lot of work with metamaterials has been theoretical.

#U k. Supermarket To Run on Electricity Made From Its Own Rotting Food One U k. grocery store plans to power itself using biogas harvested from its own unsold, rotting produce.

The store plans to use electricity solely from the digesters, taking no electricity from the U k.'s national power grid,

which is fed by a combination of coal, natural gas, nuclear power plants and other sources. Sainsbury's will even sell any excess electricity it makes back to the grid.

The Cannock Sainsbury's will be the first U k. store to stop using U k. grid electricity

the BBC reports. While we've never heard of a big U s. store doing exactly that,

U s. grocery-store chain Kroger is supposed to have an anaerobic digester that provides more than 20 percent of the electricity needs of its Compton distribution center.

then uses the resulting biomethane just like natural gas mined from the ground to produce electricity.

A 1. 5-kilometer-long cable carries the electricity back to the Cannock Sainsbury's store.

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