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Products: Energy
Smart Power Systems, Inc. (Baltimore, MD) has developed a 25-kW single-phase bi-directional inverter. The SPS-Pavan 25 features minimum harmonic point tracking to reduce harmonic distortion and a unity power factor operation while...
News: Mechanical & Fluid Systems
MEMS Device Generates Energy from Small Vibrations
To avoid wireless sensor power constraints, Massachusetts Institute of Technology researchers are harnessing electricity from low-power sources in the environment, such as vibrations from swaying bridges, humming machinery, and rumbling foot traffic. Such natural energy sources could do away with...
Videos: Energy
The LubiTM, a 145-foot-wide by 12-foot-high wall-mounted solar air heater from Enerconcept Technologies (Magog, Canada), potentially supplies temperatures of 36-45 °F above ambient depending on outdoor temperature and...
News: Green Design & Manufacturing
Researchers from California Institute of Technology have been conducting a field tests at an experimental two-acre wind farm in northern Los Angeles County. The farm, known as the Field Laboratory for...
News: Energy
If solar cells could generate higher voltages when sunlight falls on them, they’d produce more electrical power more efficiently. Ferroelectrics - materials with an overall...
News: Transportation
MUTE, an electric vehicle from the Technische Universitaet Muenchen (TUM), is an agile, sporty two-seater for regional road traffic. Its lithium-ion battery is designed to guarantee a range of at least 100...
Briefs: Transportation
This ultracapacitor design is energy- and cost-efficient with measurably less environmental impact.
Hybrid Power Management (HPM) is the integration of diverse, state-of-the-art power...
News: Energy
Batteries could get an upgrade from an Oak Ridge National Laboratory discovery that increases power, energy density, and safety while reducing charge time. The results could also have significance for...
News: Green Design & Manufacturing
A system constructed by Duke University and Duke Energy on a hog finishing facility converts hog waste into electricity and creates carbon offset credits. Google, which invests in carbon offsets...
Articles: Energy
Inverters/converters are a key element of most renewable energy systems where the power generated is not suitable to either be used locally or to provide power directly to the electric...
Products: Energy
Lighting Science Group (Satellite Beach, FL) and Dixon Technologies India Pvt. Ltd (New Delhi, India) have announced that a high-performance, sub-$15 omnidirectional 60-watt equivalent A19 LED bulb will be...
Briefs: Materials
Polymerization Initiated at the Sidewalls of Carbon Nanotubes
A process has been developed for growing polymer chains via anionic, cationic, or radical polymerization from the side walls of functionalized carbon nanotubes, which will facilitate greater dispersion in polymer matrices, and will greatly enhance reinforcement ability in polymeric...
News: Lighting
Researchers at the University of Nottingham Ningbo, China (UNNC) have invented a material that can retain and release heat according to specific temperature requirements. The material could be used...
News: Energy
Engineering researchers Tom Krupenkin and J. Ashley Taylor at the University of Wisconsin-Madison have developed a new energy-harvesting technology that could reduce our dependence on batteries and...
Products: Energy
SCHURTER Inc. (Santa Rosa, CA) presents the DC filter series FMER SOL suited for use on the DC side of the inverter in photovoltaic systems. FMER SOL filters are designed for rated currents from 25 A to 1500 A at 55°C...
Products: Energy
Efficient Power Conversion Corporation (El Segundo, CA) introduces the EPC2012 enhanced-performance eGaN FET. The EPC2012 is lead-free, RoHS-compliant, and halogen-free. The EPC2012 FET is a 1.6 mm2 200 VDS device with a...
News: Electronics & Computers
Rice University researchers have created a solid-state, nanotube-based supercapacitor that combines the best qualities of high-energy batteries and fast-charging capacitors in a...
News: Energy
The Department of Energy has announced the availability of up to $12 million in funding for energy-saving lighting technologies. The DOE will invest in projects to accelerate research and development of...
News: Energy
The EPA is introducing new ENERGY STAR requirements for home dishwashers and furnaces, and evaluating how to best address and encourage smart grid functionality in ENERGY STAR specifications like refrigerators...
Briefs: Energy
The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN)...
Briefs: Lighting
The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination...
Videos: Lighting
Compact Multi CHIPLEDs developed by OSRAM Opto Semiconductors raise the image quality in FormoLight Technologies' high-performance LED Matrix TVs. Multi CHIPLEDs are the smallest RGB LED currently on the market, and their...
News: Energy
Instead of systems based on standard solar panels, Duke University engineer Nico Hotz proposes a hybrid option in which sunlight heats a combination of water and methanol in a maze of glass tubes on a...
News: Energy
A team of researchers at the Department of Energy’s BioEnergy Science Center (BESC) have pinpointed the gene that controls ethanol production capacity in a microorganism. This discovery could...
Products: Energy
Texas Instruments (Dallas, TX) introduces the bq24210, a Li-ion linear charger targeted at space-limited portable applications. The high input voltage range with input over-voltage protection supports low-cost...
News: Energy
Pacific Northwest National Laboratory (PNNL) researchers have used a common protein to guide the design of a material that can make hydrogen gas. The synthetic material works ten times...
News: Energy
UCLA engineers have created a novel concept for harvesting and recycling energy for electronic devices — one that involves equipping these devices' LCD screens with...
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