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15001
'Nanoflowers' for Energy Storage and Solar Cells
Posted in Batteries, Materials, Energy Storage, Solar Power, Renewable Energy, Nanotechnology, News on Thursday, October 11 2012
North Carolina State University researchers have created flower-like structures out of germanium sulfide (GeS) – a semiconductor material – that have extremely thin petals with an enormous surface area. The GeS flowers hold promise for next-generation energy storage devices and solar cells.
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14738
Harnessing the Power of Spinach
Posted in Electronics, Solar Power, Renewable Energy, Energy Harvesting, News on Friday, September 07 2012
Vanderbilt University researches have developed a way to combine Photosystem 1 (PS1), the photosynthetic protein that converts light into electrochemical energy in spinach with silicon (the material used in solar cells), in a fashion that produces substantially more electrical current than has been reported by previous biohybrid solar cells.
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14586
Promoting Virtual Power Plants for Efficient Renewable Energy Production
Posted in Smart Grid, Software, Mathematical/Scientific Software, Solar Power, Wind Power, Renewable Energy, News on Tuesday, August 21 2012
Researchers from the School of Electronics and Computer Science (ECS) at the University of Southampton have devised a novel method for forming virtual power plants (VPPs) to provide renewable energy production in the UK. Small and distributed energy resources (DERs), such as wind farms and solar panels, have been appearing in greater numbers in the electricity supply network (Grid).
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14549
Advancement in Highly Conductive, Transparent Thin Film
Posted in Solar Power, Energy Efficiency, Renewable Energy, News on Thursday, August 09 2012
Thin, conductive films are useful in displays and solar cells. A new solution-based chemistry developed at Brown University for making indium tin oxide films could allow engineers to employ a much simpler and cheaper manufacturing process.
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14533
The Future of Iron-Air Batteries
Posted in Batteries, Energy Storage, Solar Power, Energy Efficiency, News on Thursday, August 02 2012
A University of Southern California research team has developed a cheap, rechargeable battery that could be used to store energy at solar power plants for a rainy day. The air-breathing battery uses the chemical energy generated by the oxidation of iron plates that are exposed to the oxygen in the air — a process similar to rusting.
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14472
Record Efficiency for Next-Generation Solar Cells
Posted in Solar Power, Energy Efficiency, Renewable Energy, Semiconductors & ICs, Nanotechnology, News on Tuesday, July 31 2012
Researchers from the University of Toronto (U of T) and King Abdullah University of Science & Technology (KAUST) have made a breakthrough in the development of colloidal quantum dot (CQD) films. The researchers created a solar cell out of inexpensive materials that was certified at a world-record 7.0% efficiency.
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14157
New Tech for Grid-Level Electrical Energy Storage
Posted in Batteries, Energy Storage, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, News on Wednesday, July 11 2012
Electrical energy storage is the obstacle preventing more widespread use of renewable energy sources. Due to the unpredictable nature of wind and solar energy, the ability to store this energy when it is produced is essential for turning these resources into reliable sources of energy. The current U.S. energy grid system is used predominantly for distributing energy and allows little flexibility for storage of excess or a rapid dispersal on short notice. Drexel University researchers believe they have a solution.
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14040
Solar Nanowire Template Permits Flexible Energy Absorption
Posted in Materials, Solar Power, Energy Efficiency, Renewable Energy, Nanotechnology, News on Monday, July 09 2012
Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. For this reason, they see indium gallium nitride as a valuable future material for photovoltaic systems. Changing the concentration of indium allows researchers to tune the material’s response so it collects solar energy from a variety of wavelengths.
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14032
Organic Photovoltaics - Forecasts for the Next Decade
Posted in Electronics & Computers, Solar Power, Energy Efficiency, Renewable Energy, Energy Harvesting, Automotive, Features on Wednesday, June 20 2012
Today there are multiple devices available for harnessing solar energy. Each device offers a different set of characteristics. Wafer-based devices consist of mono or polycrystalline and are the most mature technology due to the experience borrowed from the microelectronics industry.
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13969
Underwater Solar Cells?
Posted in Electronics, Power Management, Sensors, Solar Power, Renewable Energy, Energy Harvesting, News on Thursday, June 07 2012
Scientists at the U.S. Naval Research Laboratory, Electronics Science and Technology Division, have developed high-band-gap solar cells capable of producing sufficient power to operate electronic sensor systems at water depths of 9 meters.
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13752
Boosting Nanowires for Better Batteries and Solar Cells
Posted in Batteries, Alternative Fuels, Energy Storage, Solar Power, Renewable Energy, Nanotechnology, News on Tuesday, May 01 2012
Stanford University engineers have found a novel method for "decorating" nanowires with chains of tiny particles to increase their electrical and catalytic performance. The technique is simpler and faster than earlier methods and could lead to better lithium-ion batteries, more efficient thin-film solar cells, and improved catalysts that yield new synthetic fuels.
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13617
Tailoring Metal Oxides for Green Technological Applications
Posted in Batteries, Electronics & Computers, Power Management, Metals, Energy Storage, Solar Power, Renewable Energy, Energy Harvesting, News on Thursday, April 26 2012
Harnessing solar energy can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice ‘sandwich.’ "Metal oxides can be tailored to meet all sorts of needs, which is good news for technological applications, specifically in energy generation and flat screen displays,” said Louis Piper, assistant professor of physics at Binghamton University.
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13517
Magnetic Testing Technique Helps Ensure Reliability of PV Cells
Posted in Solar Power, Renewable Energy, Test & Measurement, Semiconductors & ICs, MEMs, News on Friday, April 13 2012
Making use of the force generated by magnetic repulsion, Georgia Tech researchers have developed a new technique for measuring the adhesion strength between thin films of materials used in microelectronic devices, photovoltaic cells, and microelectromechanical systems (MEMS).
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13326
Using Electricity to Generate Alternative Fuel
Posted in Batteries, Alternative Fuels, Greenhouse Gases, Energy Storage, Solar Power, News on Friday, March 30 2012
Electrical energy generated by various methods can be difficult to store efficiently. Chemical batteries, hydraulic pumping, and water splitting suffer from low energy-density storage or incompatibility with current transportation infrastructure. UCLA researchers have demonstrated a method for storing electrical energy as chemical energy in higher alcohols, which can be used as liquid transportation fuels.
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13291
New 3D Designs Double Solar Power
Posted in Computers, Solar Power, Energy Efficiency, Renewable Energy, Test & Measurement, News on Tuesday, March 27 2012
A team of MIT researchers is building cubes or towers that extend solar cells upward in three-dimensional configurations. The results from the structures they’ve tested show power output ranging from double to more than 20 times that of fixed flat panels with the same base area.
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13204
Nanotrees Turn Sunshine into Hydrogen Fuel
Posted in Alternative Fuels, Greenhouse Gases, Solar Power, Renewable Energy, Energy Harvesting, Nanotechnology, News on Wednesday, March 14 2012
University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy and harvest it for hydrogen fuel generation. Nanowires, which are made from abundant natural materials like silicon and zinc oxide, offer a cheap way to deliver hydrogen fuel on a mass scale.
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13104
New Approach to Graphene Electronics
Posted in Electronics, Power Management, Materials, Solar Power, Energy Efficiency, Renewable Energy, LEDs, News on Tuesday, February 21 2012
Graphene has been touted as the next silicon, but it is too conductive to be used in computer chips. A University of Manchester team led by Nobel laureates Professor Andre Geim and Professor Konstantin Novoselov has literally opened a third dimension in graphene research.
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13045
Next-Generation Battery Technology
Posted in Batteries, Energy Storage, Solar Power, Wind Power, Renewable Energy, News on Friday, February 17 2012
Sandia National Laboratory researchers have developed a family of liquid salt electrolytes - known as MetILs - that could lead to better batteries and well as devices that can help incorporate large-scale intermittent renewable energy sources, like solar and wind, into the nation’s electric grid.
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13015
$12 Million Funding Opportunity to Spur Solar Innovation
Posted in Solar Power, Renewable Energy, Government Initiatives, News on Wednesday, February 15 2012
Through the DOE's SunShot Incubator program, over $12 million in funding is available to accelerate innovation in solar energy and manufacturing - supporting advancements in hardware, reductions in soft costs, and the development of pilot manufacturing and production projects.
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12976
Web Tool Analyzes Solar Cell Materials
Posted in Manufacturing & Prototyping, Materials, Software, Simulation Software, Solar Power, Energy Efficiency, Renewable Energy, News, Videos on Wednesday, February 08 2012
An online tool developed by MIT researchers called “Impurities to Efficiency” - or I2E - allows companies or researchers exploring alternative manufacturing strategies to plug in descriptions of their planned materials and processing steps. After about one minute of simulation, I2E gives an indication of exactly how efficient the resulting solar cell would be in converting sunlight to electricity.
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12968
Welding Nanowires With Light
Posted in Materials, Solar Power, Energy Efficiency, Renewable Energy, Lighting, LEDs, Nanotechnology, News on Monday, February 06 2012
Electrically conductive meshes made of metal nanowires promise exceptional electrical throughput, low cost, and easy processing in applications like video displays, LEDs, and thin-film solar cells. However, in processing, these meshes must be heated or pressed to unite the crisscross pattern of nanowires that form the mesh - damaging them in the process.
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12920
A Bio-Solar Breakthrough
Posted in Materials, Coatings & Adhesives, Solar Power, Energy Efficiency, Renewable Energy, Semiconductors & ICs, News on Thursday, February 02 2012
An international team of researchers has developed a process that improves the efficiency of generating electric power using molecular structures extracted from plants. The system taps into photosynthetic processes to produce efficient and inexpensive energy.
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12919
New Tool Appraises PV Systems
Posted in Software, Solar Power, Energy Efficiency, Renewable Energy, News on Wednesday, February 01 2012
Scientists at Sandia National Laboratories, in partnership with Jamie Johnson of Solar Power Electric™, have developed PV Value™ - an electronic form to standardize appraisals of homes and businesses outfitted with photovoltaic (PV) installations.
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12909
March 22-23, 2012: Solar Manufacturing & Reliability Conference
Posted in Solar Power, Energy Efficiency, Renewable Energy, Events on Friday, January 27 2012
Join SEMA and SMTA for presentations and discussions focusing on the reliability testing of PV modules, covering gaps and where future work needs to be done. The conference will highlight various reliability programs being done in the industry with an assessment of current and evolving standards in manufacturing and reliability.
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12775
Charged Quantum Dots Increase Solar Cell Efficiency
Posted in Solar Power, Energy Efficiency, Renewable Energy, News on Monday, January 23 2012
With military colleagues, a trio of University at Buffalo engineers have shown that embedding charged quantum dots into photovoltaic cells can improve electrical output by enabling the cells to harvest infrared light, and by increasing the lifetime of photoelectrons.
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