Energy

Sunflower-Inspired Pattern Increases Concentrated Solar Efficiency

There are only a handful of concentrated solar power (CSP) plants in the world. The technology could potentially generate enough renewable energy to power the entire U.S., provided that land and sunlight are in ample supply. Researchers have now come up with a design that reduces the amount of land required to build a CSP plant, while increasing the amount of sunlight its mirrors collect.

Posted in: Software, Solar Power, Renewable Energy, News

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Atlas Maps Renewable Energy Resources

A new geospatial application developed by the DOE’s National Renewable Energy Laboratory (NREL) allows users to map potential renewable energy resources in the United States. The interactive tool is called RE Atlas, and is free to use and available online.

Posted in: Software, Biomass, Geothermal Power, Solar Power, Wind Power, Renewable Energy, Hydroelectric Power, News

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Pollution Reducer & Heat Generator

New technology from North Carolina State University and West Virginia University can reduce air pollutant emissions from some chicken and swine barns while also reducing their energy use by recovering and possibly generating heat. A proof-of-concept unit incorporates a biofilter and a heat exchanger to reduce ammonia emissions.

Posted in: Remediation Technologies, Greenhouse Gases, Recycling Technologies, Energy Efficiency, News

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Lightweight, Solar-Powered Generator

An Office of Naval Research (ONR)-funded solar generator has recently entered full production, with several systems already in the field. The Ground Renewable Expeditionary ENergy System (GREENS) is a portable, 300-watt, hybrid battery generator that uses the sun to produce electric currents.

Posted in: Batteries, Solar Power, Renewable Energy, Defense, News

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Black Silicon Solar Cell Products to be Developed

DOE's National Renewable Energy Laboratory (NREL) has granted Natcore Technology Inc. a patent license agreement to develop new black silicon products. Natcore and NREL also will enter a Cooperative Research and Development Agreement (CRADA) to develop commercial prototypes based on NREL’s black silicon inventions.

Posted in: Solar Power, Renewable Energy, News

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Metal-Assisted Chemical Etching

University of Illinois researchers have developed a method to chemically etch patterned arrays in the semiconductor gallium arsenide - used in solar cells, lasers, light-emitting diodes (LEDs), field effect transistors (FETs), capacitors, and sensors.

Posted in: Metals, Solar Power, Renewable Energy, LEDs, Semiconductors & ICs, News

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A Step Towards Artificial Photosynthesis for Solar Hydrogen

Water splitting in photo-electrochemical cells to yield hydrogen is a promising way to sustainable fuels. A team of Swiss and U.S. scientists have now made major progress in developing highly efficient electrodes – made of an algal protein, thus mimicking a central step in natural photosynthesis.

Posted in: Alternative Fuels, Materials, Solar Power, Renewable Energy, News

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