Semi-transparent and flexible solar cells made from atomically thin sheet. Angela Belcher : Utiliser la nature pour faire pousser des batteries. Cette nouvelle batterie se recharge totalement en seulement 20 secondes. Disposer de moyens de recharge rapides et efficaces pour nos appareils électroniques portables est devenu, depuis ces dernières années, un impératif.
Les besoin des usagers ayant évolué, les constructeurs se livrent aujourd’hui à une véritable course technologique pour développer des dispositifs de stockage d’énergie toujours plus compacts, rapides à charger et de longue durée de vie. Dans ce cadre, une équipe de chercheurs coréens vient de développer une nouvelle batterie rechargeable en 20 secondes seulement. Au cours des 15 dernières années, les appareils électroniques portables (téléphones, baladeurs, consoles, télécommandes, etc) se sont multipliés, si bien que les moyens de les recharger ont tant bien que mal tenté de s’adapter à la nouvelle demande toujours plus exigeante des utilisateurs.
Aujourd’hui, des ingénieurs coréens proposent un nouveau type de batterie utilisant un électrolyte aqueux et pouvant être entièrement chargé en 20 secondes. Guillaume Pitron. New Research Brings Us Closer to Cheap, Transparent, Organic Solar Cells. Michael Shellenberger: How fear of nuclear power is hurting the environment. Forget old batteries. Here comes the energy storage revolution. Production d'électricité : quand des enzymes rivalisent avec le platine. Une pile à combustible convertit l'énergie chimique de combustion de l'hydrogène en énergie électrique.
Des bactéries cyborgs pour produire de l'énergie propre. Science News, Webinars and Virtual Events. When we talk about efficiency in terms of power sources, what we are really trying to determine is the ratio of the useful power output divided by the total electrical power consumed, which refers to both energy and heat.
A big talking point in the debate of switching to renewable energies concerns their efficiency - yes they may be friendlier for the environment, but are they efficient? Below is a brief list of power sources annotated with their percentage efficiency. To learn more about the specific energy sources, watch the video! Groundbreaking New Source Of Renewable Energy Invented By Scientists.
When you think of renewable energy, the likes of wind turbines, hydroelectric dams, geothermal power plants, and solar panels probably come to mind.
These are certainly the main sources of the world’s renewable energy, but as some groundbreaking work by Penn State University (PSU) highlights, there may soon be another. It’s widely known that when freshwater and saltwater meet, the forces of nature act to balance out the salinity gradient. Over time, the concentration of salt molecules will be even across the board. What you may not realize, however, is that this can also be used to generate an electric current.
How to Make Hydrogen Gas from Air Pollution Trending. The goal in eco-minded technology this day in age is to make something we want by utilizing something we don’t want.
That’s exactly what researchers from the University of Antwerp and KU Leuven in Belgium have done. UCF Professor Invents Way to Trigger Artificial Photosynthesis to Clean Air, Produce Energy - UCF News - University of Central Florida Articles - Orlando, FL News. A chemistry professor has just found a way to trigger the process of photosynthesis in a synthetic material, turning greenhouse gases into clean air and producing energy all at the same time.
The process has great potential for creating a technology that could significantly reduce greenhouse gases linked to climate change, while also creating a clean way to produce energy. Businessinsider. Mya Le Thai is doing her PhD at the UCISteve Zylius / UCI Scientists of the University of California in Irvine have developed a rechargeable battery that might be good for 400 years of power.
The invention came about almost entirely by accident. Tesla boss Elon Musk unveils solar roof tiles. The Tesla chief executive, Elon Musk, has unveiled new energy products aimed at illustrating the benefits of combining his firm, which makes electric cars and batteries, with solar installer SolarCity.
The billionaire entrepreneur showed off solar roof tiles that eliminate the need for traditional panels and a longer-lasting home battery, which Tesla calls the Powerwall, aimed at realising his vision of selling a fossil fuel-free lifestyle to consumers. “This is sort of the integrated future. An electric car, a Powerwall and a solar roof. The key is it needs to be beautiful, affordable and seamlessly integrated,” Musk said while showcasing the products on homes once used as the set for the US TV drama Desperate Housewives in Los Angeles. Musk is the biggest shareholder in both Tesla and SolarCity, which is run by two of his cousins. The rollout of the product, expected as soon as next summer, would be “unwieldy” if the two companies are not combined, Musk said. Tests confirm that Germany's massive nuclear fusion machine really works. At the end of last year, Germany switched on a new type of massive nuclear fusion reactor for the first time, and it was successfully able to contain a scorching hot blob of helium plasma.
But since then, there's been a big question - is the device working the way it's supposed to? That's pretty crucial when you're talking about a machine that could potentially maintain controlled nuclear fusion reactions one day, and thankfully, the answer is yes. A team of researchers from the US and Germany have now confirmed that the Wendelstein 7-X (W 7-X) stellerator is producing the super-strong, twisty, 3D magnetic fields that its design predicted, with "unprecedented accuracy". The researchers found an error rate less than one in 100,000. New discoveries about photosynthesis may lead to solar cells of the future Trending. For the first time, researchers have successfully measured in detail the flow of solar energy, in and between different parts of a photosynthetic organism.
The result is a first step in research that could ultimately contribute to the development of technologies that use solar energy far more efficiently than what is currently possible. Scientists have been able to locate the routes along which solar energy is transported during the photosynthesis using ultrafast spectroscopy. Credit: Marcelo Alcocer For about 80 years, researchers have known that photochemical reactions inside an organism do not occur in the same place as where it absorbs sunlight. A Researcher Just Accidentally Developed A Battery That Could Last A Lifetime. Poor battery life is the number one complaint when it comes to smartphones and laptops. As a wireless society, having to tether ourselves down to power up our gadgets seems more and more a nuisance. And while researchers are looking into wireless charging, if batteries were better we would have to worry less.
"Fast Ignition" Breakthrough Opens Door To Nuclear Fusion. Scientists say they have taken a step towards making the dream goal of nuclear fusion more achievable, by identifying the location of energy in a process known as fast ignition. In fast ignition, a spherical fuel cell is hit with hundreds of lasers, compressing the fuel, which is normally a mix of deuterium and tritium. Next, a high-intensity laser rapidly heats the now compressed fuel.
This "spark" can provide an ignition that allows the process of nuclear fusion to begin, by creating a super-heated plasma that produces vast amounts of clean, usable energy – the same process that fuels the Sun. The only problem is, the high-intensity laser must deliver its energy to the densest region of the fuel to provide the spark, something that's hard to do without knowledge of where this is. That’s where the scientists from the University of California, San Diego, and General Atomics come in. A new way to store solar heat. Imagine if your clothing could, on demand, release just enough heat to keep you warm and cozy, allowing you to dial back on your thermostat settings and stay comfortable in a cooler room. Or, picture a car windshield that stores the sun’s energy and then releases it as a burst of heat to melt away a layer of ice. According to a team of researchers at MIT, both scenarios may be possible before long, thanks to a new material that can store solar energy during the day and release it later as heat, whenever it’s needed.
This transparent polymer film could be applied to many different surfaces, such as window glass or clothing. Although the sun is a virtually inexhaustible source of energy, it’s only available about half the time we need it — during daylight. For the sun to become a major power provider for human needs, there has to be an efficient way to save it up for use during nighttime and stormy days. Molecules with two configurations. Batterie sodium-ion: une révolution en marche. Fully 3D Printed Working Engine Runs Completely on Hot and Cold Water — and You Can Print Your Own For Free. 3D printing is fascinating, especially to those individuals who have not ever seen the technology in action previously. However, like with all new technology, this fascination subsides as time goes on and the technology becomes more commonplace.
Perhaps we aren’t quite at this point yet with 3D printing, but the intrigue generated through the seeing, touching, and feeling of 3D printed objects will surely wither with time. One man in New Zealand, named Don Clucas, realizes this, and with the help of the University of Canterbury, he has come up with a way to fascinate even those already acclimated to 3D printing technology.
In a project that could be considered “breathtaking,” “innovative,” and “potentially revolutionary,” Clucas has created what he believes is the first ever fully 3D printed working engine. Better yet, it runs on thermodynamics, meaning all it requires for fuel is simple tap water. Hydricity - A New Power Source - Engineer Pal. Humans need of power to grow and develop itself is ever growing and everlasting. The search for renewable source of power has always been a priority for developers. One of the alternative found was solar energy. But as ingenious and environmentally friendly as solar energy solutions are, they’re not as efficient as we wish them to be and of course, they only generate electricity when the Sun is out. There are two ways we get energy from the Sun. One is photo voltaic cells (the panels you see on rooftops) and the other is solar thermal power plants, which concentrate the Sun’s rays and uses it to generate heat to warm up water and drive turbines using the steam that’s produced.
Rawlemon, une sphère solaire plus forte que les panneaux photovoltaïques. Cette énorme sphère n’est pas un effet architectural mais un capteur solaire. Le principe du Rawlemon repose sur une boule remplie d’eau qui va concentrer la lumière du Soleil en un point focal pour diriger le rayon vers des cellules photovoltaïques. Germany Just Successfully Fired Up A Nuclear Fusion Reactor. Controlled nuclear fusion – a clean, near-perpetual source of energy – would revolutionize the world.
In recent years, significant steps on the path to a fully operational, efficient fusion reactor have been made, and this week another milestone has been reached: German engineers from the Max Planck Institute have successfully fired up their nuclear fusion reactor, announcing that they have managed to suspend plasma for the first time. Scientists have figured out how to store electricity in 'paper' Chinese students sugar-powered battery.
Voici les canons laser capables d'abattre des drones. Meet “Row-Bot”: An Autonomous Robot That Produces Electricity From Algae. Science et vie. Minéral de birnessite, tel qu’on le trouve dans la nature. Légèrement modifié, il transforme l’eau en oxygène et en hydrogène par l’action de la lumière (Copyright : Hannes Osterhammer; Beitrag Münchener Micromounter). La nature regorge de trésors, encore faut-il savoir les dénicher. C’est ce qu’ont fait des chercheurs en découvrant qu’un matériau naturel nommé “birnessite” peut effectuer, moyennant une transformation en laboratoire, une photosynthèse qui coupe les molécules d’eau en oxygène et en hydrogène, par la simple action de la lumière, à l’instar de ce que font les plantes. L'homme sur Mars grâce aux Français? C'EST DEMAIN - La nouvelle est passée inaperçue en France.
Pourtant, c'est bien une équipe du laboratoire ICARE (CNRS d'Orléans) qui a publié dans la très sérieuse Applied Physics Letters un article qui pourrait changer radicalement l'approche de l'exploration spatiale. New Nuclear Reactor Could Hold The Secret Of Lasting Fusion. This plasma engine could get humans to Mars on 100 million times less fuel. Transparent Batteries That Charge in the Sun Could Replace Smartphone Screens. The World's First Solar-Powered Sports Car Could Drive Forever.
Caltech Team Announces Their Creation Of The Artificial Leaf, Part ITrending. 'Artificial Leaf' Reaches Best Level Of Solar Energy Efficiency Yet. Dutch Architects Create A Habitable Windmill That Could Power A City. New Technology Could Put Solar On Par With Fossil Fuel Power PlantsTrending. Après Tesla, Mercedes-Benz sort sa batterie domestique. A camera has successfully been powered using spare Wi-Fi signals. How batteries work - Adam Jacobson. Scientists Create 3D, High-Capacity Soft Batteries Using Trees. Tesla présente une batterie pour « se passer des réseaux électriques » Chinese scientists have built the world’s first hydrogen-powered tram.
Des batteries pour enfin stocker l'énergie solaire... Nitrogen-Fed Bacteria Could Power Our Future. Skin Patch Powers Electronics Using Muscle Movements. Graphene Could Double Electricity Generated From Solar. Bill Gates: Innovating to zero! Can Fusion Energy Be Obtained Without the Death Star? Graphene-Based Supercapacitors Could Lead To Battery-Free Electric Cars Within 5 Years. Scientists Make DNA Wires That Carry Electric Current.
New Hybrid Solar Cell Battery Takes Aim at Solar Power’s Energy Storage Problem. Le générateur d’électricité le plus fin du monde. Scientists Create Electric Generator Just One Atom Thick. Hybrid Material May Help Crush Solar Cell Efficiency Record. New Liquid Metal Battery Will Make Renewables Competitive. Faster, Better Hydrogen Production. Hydrogen-Generating Water Splitter Runs on AAA Battery. Scientists Create Transparent Solar Concentrator. New Biobattery Fueled By Sweat. Solar Cells Just A Few Atoms Thick Could Be Possible With New Material. These Battery-Free, WiFi Devices Run On Radio Waves. Nouveau Matériel convertit la lumière à vapeur. Enfin une solution contre les batteries qui se déchargent trop vite ? How Much Room Do We Need To Supply The Entire World With Solar Electricity?
Scientists Finally Unlock The Secrets Behind Superconductivity. Sturdy 3D Material Behaves Like Graphene. Solar Roads Could Power An Entire Country. BMW Solar Charging Carport Unveiled. New Dual Carbon Battery Charges 20x Faster Than Lithium Ion. How A Drop of Seawater on Graphene Generates Electricity. New Battery Biodegrades Inside The Human Body. What is graphene? Here’s what you need to know about a material that could be the next silicon. La pile du futur est née, ultra-puissante et biodégradable. Nuclear Fusion Reactions See Net Gain in Energy. À 15 ans, elle invente une source de lumière inépuisable.