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The traces are for solar cells of 7.7% Researchers led by MIT professor Daniel Nocera have produced an “artificial leaf”—a solarwater-splitting cell producing hydrogen and oxygen that operates in near-neutral pH conditions, both with and without connecting wires. solar-to-fuels systems.
Researchers at MIT led by Drs. Using the nanocomposites as photoanodes in dye-sensitized solar cells, they achieved a power conversion efficiency in the solar cells of 10.6%, up from 8%—an increase of almost one-third. This new method used to enhance solar cell performance is quite different, Belcher says.
Daniel Nocera and his associates have found another formulation, based on inexpensive and widely available materials, that can efficiently catalyze the splitting of water molecules using electricity. Earlier post.). Earlier post.). Materials for the new catalyst are even more abundant and inexpensive than those required for the first.
A team of researchers at MIT has described a framework for efficiently coupling the power output of a series-connected string of single-band-gap solar cells to an electrochemical process that produces storable fuels. Watson Research Center) and former MIT graduate student Casandra Cox (now at Harvard). Earlier post.)
New processing methods developed by MIT researchers could help ease looming shortages of the essential metals that power everything from phones to automotive batteries by making it easier to separate these rare metals from mining ores and recycled materials. —Antoine Allanore.
Researchers at MIT are proposing using a variation on pumped hydroelectric systems for storage of electricity produced by offshore wind farms. Geologic pumped hydroelectric storage works by pumping water to a reservoir behind a dam when electricity demand is low. Earlier post.).
A team of MIT researchers, led by Dr. Angela Belcher, has engineered a common bacteriophage virus (M13) to function as a scaffold to mediate the co-assembly of zinc porphyrins (photosensitizer) and iridium oxide hydrosol clusters (catalyst) for visible light-driven water oxidation. Source: Nam et al., Supplementary materials.
MIT scientists have designed a solar-powered desalination system that turns saltwater into drinkable water at a higher volume – and lower cost. more… The post MIT scientists used solar power to make drinking water cheaper than tap water appeared first on Electrek.
In a presentation at the 241 st National Meeting of the American Chemical Society today in Anaheim, Dr. Daniel Nocera of MIT said that his team has developed a practical “artificial leaf”—a type of solar cell that shows promise as an inexpensive source of electricity for the poor in developing countries.
Researchers at MIT have found a way to use thermophotovoltaic devices—solid-state devices that use the sun’s heat, usually concentrated with mirrors, to generate electricity directly—without mirrors to concentrate sunlight, potentially making the system much simpler and less expensive. similar to the greenhouse effect).
A team of MIT researchers lead by Prof. John Goodenough from the University of Texas as Austin, has found one of the most effective catalysts yet discovered for the oxygen evolution reaction (OER) for use in water-splitting to produce hydrogen or in rechargeable metal-air batteries. Yang Shao-Horn, in collaboration with Prof.
MIT Energy Initiative Receiving (MITEI) is receiving $25M from Shell to fund the research and development of high-value, sustainable technologies designed to drive innovation in energy delivery. Beginning this year, the research agreement will fund a suite of projects at $5 million per year for the coming five years.
Based on the interim results of a new study, MIT researchers are warning smaller nations to proceed with caution in pursuing the development of their natural gas resources. —Sergey Paltsev, an author of the study and a principal research scientist at the MIT Energy Initiative. Cyprus offshore hydrocarbon exploration blocks.
MIT researchers have found a new family of highly active catalyst materials that provides the best performance yet in the oxygen evolution reaction (OER) in electrochemical water-splitting—a key requirement for energy storage and delivery systems such as advanced fuel cells and lithium-air batteries. Grimaud et al.
Researchers at MIT have improved a proposed liquid battery system that could enable renewable energy sources to compete with conventional power plants. Such systems can be used to match the intermittent production of power from irregular sources, such as wind and solar power, with variations in demand. Earlier post.).
Heliogen, a company that is transforming sunlight to create and replace fuels, recently announced its launch and also said that it has—for the first time commercially—concentrated solar energy to exceed temperatures greater than 1,000 degrees Celsius. The potential impact of Heliogen’s patented technology is massive.
Researchers from UC Davis and the Massachusetts Institute of Technology have uncovered more detail about the functioning of cobalt as a water-splitting catalyst. In 2008, MIT chemists, led by Professor Dan Nocera, reported that a simple cobalt catalyst could split water at neutral pH to produce oxygen, protons and electrons.
The MIT Energy Initiative (MITEI) announced its latest round of seed grants to support early-stage innovative energy projects. Past themes have included topics as diverse as the role of big data and the energy-water nexus. A total of more than $1.6 million was awarded to 11 projects, each lasting up to two years.
Dust on solar panels reduces their output significantly, so they need to be kept clean. Scientists at the Massachusetts Institute of Technology (MIT) say they have a solution. The post Scientists figured out a way to clean dust off of solar panels without using water appeared first on Electrek.
The SAB is chaired by John Deutch, Institute Professor at MIT, whose government experience includes service as Director of Energy Research and Undersecretary of the Department of Energy, and Undersecretary of Defense for Acquisition and Technology. Earlier post.). —John Deutch.
MIT researchers have developed a new system that could potentially be used for converting power plant emissions of carbon dioxide into carbon monoxide, and thence into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks for a wide variety of products. Ghoniem’s lab is exploring some of these options.
GMZ’s material, a nanostructured bismuth antimony telluride, was developed by researchers at Boston College and MIT. GMZ Energy is developing its first product for the $8 billion residential, commercial and industrial solar thermal water market.
Scientists from a team spanning Harvard University’s Faculty of Arts and Sciences, Harvard Medical School and the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a scalable, integrated bioelectrochemical system that uses bacteria to convert solar energy into a liquid fuel. Earlier post.).
Using a new kind of hydrogel material, researchers at the University of Texas at Austin have pulled water out of thin air at temperatures low enough to be achieved with sunlight. Atmospheric water harvesting draws water from humidity in the air. The material is a hydrogel, a polymer network that naturally retains a lot of water.
Sun Catalytix is developing catalysts that use intermittent renewable energy, including solar and wind energy, to split water into storable hydrogen and oxygen—a process that mimics photosynthesis. —MIT Professor and Sun Catalytix Founder Daniel Nocera.
The US Department of Energy announced $75 million in funding to renew the Joint Center for Artificial Photosynthesis ( JCAP ), a DOE Energy Innovation Hub originally established in 2010 with the goal of harnessing solar energy for the production of fuel. Earlier post.). Molecular Catalysis.
A team at MITEI (MIT Energy Initiative) has found that hydrogen-generated electricity can be a cost-competitive option for backing up wind and solar. California draws more than 20% of its electricity from solar and approximately 7% from wind, with more VRE coming online rapidly. —Drake Hernandez.
The new ARPA-E selections focus on accelerating innovations in clean technology while increasing US competitiveness in rare earth alternatives and breakthroughs in biofuels, thermal storage, grid controls, and solar power electronics. Solar ADEPT: Solar Agile Delivery of Electrical Power Technology ($14.7 Abengoa Solar Inc.
Electrofuels approaches will use organisms able to extract energy from other sources, such as solar-derived electricity or hydrogen or earth-abundant metal ions. Water will be the primary byproduct. A novel metal complex for electrolysis of water will be used to generate the hydrogen at high rates. Electrofuels. per gallon.
An interdisciplinary team from MIT, the National Oceanic and Atmospheric Administration (NOAA), and elsewhere has identified the major particles upon which cirrus clouds form. Formation of cirrus clouds depends upon the availability of ice nuclei to begin condensation of atmospheric water vapor. —Cziczo et al.
Researchers at Harvard have created a hybrid water splitting–biosynthetic system based on a biocompatible Earth-abundant inorganic catalyst system to split water into molecular hydrogen and oxygen (H 2 and O 2 ) at low driving voltages. It takes sunlight, water and air—and then look at a tree. —Daniel Nocera.
A Portable Desalination System Makes Water Potable—Without a Filter Payal Dhar (Freelance Blogger) MIT researchers have developed a prototype of a suitcase-size device that can turn seawater into safe drinking water. With climate change exacerbating water scarcity globally, seawater desalination is stepping in to fill the void.
The post-combustion outlet gas is more easily separated into water and CO 2 to the pipeline, thereby lowering the electricity costs of grids with high levels of VRE. The CO 2 -rich steam leaving the membranes is processed further to remove the water so it can be regenerated into steam at the most energy efficient conditions.
MIT CSAIL ] There is absolutely no reason to watch this entire video, but Moley Robotics is still working on that robotic kitchen of theirs. Figueroa Robotics Lab ] Husky Observer was recently used to autonomously inspect solar panels at a large solar panel farm. Leverage Robotics ] Thanks, Roman!
The MIT will develop a new generation of power electronics based on vertical gallium nitride (GaN) superjunction diodes and transistors that can vastly exceed the performance of today’s GaN power devices. The system takes three main inputs: ambient air, water, and a sustainable energy source, and produces butanol with high selectivity.
A team of researchers from Massachusetts Institute of Technology (MIT) have developed a novel new way to produce hydrogen fuel using modified viruses to mimic the process of photosynthesis. Tags: Hydrogen fuel fuel hydrogen mit nanotechnology photosynthesis solar virus.
During the summer I do all kinds of experiments with the wind, sand and water. Strandbeest ] MIT CSAIL scientists created an algorithm to solve one of the hardest tasks in computer vision: assigning a label to every pixel in the world, without human supervision. Every spring I go to the beach with a new beast. Good luck STEGO! [
During the virtual visioning event in December, experts explored solar and renewable energy, carbon sequestration, water management, and geoengineering. Water, ecosystem, and geoengineering assessments. She is a vice president for knowledge enterprise at Ohio State University , in Columbus.
The discovered materials are a very tiny fraction of the hypothesized materials—like a droplet of water in an ocean,” wrote MIT professor of nuclear science Mingda Li over email. The hope is to create polymers that can make better and more sustainable versions of technologies we use today, like solar cells and biosensors.
Enabling turbine operation at significantly higher inlet temperatures substantially increases power generation efficiency and reduces emissions and water consumption. Durable high temperature heat exchangers for use with supercritical CO 2 have potential applications in solar power, gas turbines, transportation, and power generation.
Researchers at MIT have developed a method that could significantly boost the performance of carbon capture and conversion systems that use catalytic surfaces to enhance the rates of carbon-sequestering electrochemical reactions. The movement through water is sluggish, which slows the rate of conversion of the carbon dioxide.
The company explains what differentiates its battery technology on its website : While Alsym and lithium-ion cells may look similar, we take advantage of inherently non-flammable and non-toxic materials, and our electrolyte is water-based. Get started here. – ad* FTC: We use income earning auto affiliate links.
” The MIT report said that natural gas should be seen as a “ bridge ” to a low-carbon regime, rather than as the ultimate long-term solution itself. MIT: The Future of Natural Gas. Separately, the International Energy Agency (IEA) released its own report exploring the potential for a “golden age” of gas. Source: IEA.
Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The first two reports dealt with nuclear power (2003) and coal (2007).
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