Energy

Electrochemical Energy Storage Technologies and the Automotive Industry

A lecture from Berkeley Lab's Environmental Energy Technologies Division covers some promising materials research efforts that are expected to lead to improved battery technology. Mark Verbrugge, the director of the Chemical Sciences and Materials Systems Lab at General Motors' Research & Development Center, discusses the research.

Posted in: GDM, Videos, News, Batteries, Electronics & Computers, Alternative Fuels, Energy, Energy Storage, Green Design & Manufacturing, Transportation
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New Pathway to Forming Hydrogen Storage Compounds

Scientists at the Carnegie Institution for Science have found that high pressure can be used to make a unique hydrogen-storage material. The researchers found that the normally unreactive, noble gas xenon combines with molecular hydrogen under pressure to form a previously unknown solid with unusual bonding chemistry.

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Smartphone Application Sheds Light on Power Consumption

PowerTutor, a new application developed by researchers at the University of Michigan for the Android smartphone, shows users how much power their applications are consuming. PowerTutor shows in real time how four different phone components use power: the screen, the network interface, the processor, and the GPS receiver.

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Using Aerospace Approach, Engineers Design Wave Energy System

Aerospace engineers from the U.S. Air Force Academy are applying the principles that keep airplanes aloft to create a new wave energy system that is durable, efficient, and can be placed anywhere in the ocean - regardless of depth. While still in early design stages, computer and scale-model tests of the system suggest higher efficiencies than wind turbines.

Posted in: GDM, News, News, Energy, Energy Efficiency, Hydroelectric Power, Renewable Energy, Wind Power
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NASA's Algae Bioreactor Licensed to Algae Systems, LLC

Earlier this year, NASA introduced an algae photo-bioreactor that grows algae in municipal wastewater to produce biofuel and a variety of other products. The NASA bioreactor is an Offshore Membrane Enclosure for Growing Algae (OMEGA), which won't compete with agriculture for land, fertilizer, or freshwater.

Posted in: GDM, News, Products, News, Alternative Fuels, Biomass, Energy, Energy Efficiency, Renewable Energy, Solar Power, Green Design & Manufacturing, Greenhouse Gases, Remediation Technologies
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Hitting the Theoretical Roof of Converting Waste Heat to Electricity

The need to get rid of excess heat creates a major source of inefficiency in everything from computer processor chips to car engines. According to Peter Hagelstein, an associate professor of Electrical Engineering at MIT, existing solid-state devices to convert heat into electricity are not very efficient. Experimenting with thermal diodes, an MIT team has come closer to the theoretical limitations for the efficiency of such a conversion.

Posted in: GDM, News, News, Energy, Energy Efficiency, Thermoelectrics, Transportation
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Algae as a High-Temperature Hydrogen Source

A team of researchers from the University of Tennessee, Knoxville and Oak Ridge National Laboratory have found that the inner machinery of photosynthesis can be isolated from certain algae and, when coupled with a platinum catalyst, is able to produce a steady supply of hydrogen when exposed to light.

Posted in: GDM, News, News, Alternative Fuels, Biomass, Energy, Energy Efficiency, Energy Storage, Renewable Energy, Solar Power, Green Design & Manufacturing
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Japan Wins Australia's Global Green Challenge

The "Tokai Challenger" solar car from Japan's Tokai University won the 3,000 kilometer Global Green Challenge race down the center of Australia. The Tokai Challenger maintained an average speed of over 100 kilometers per hour, or about 62 miles per hour, besting the winner of the previous four races - the Dutch Nuon Solar Team.

Posted in: GDM, News, News, Batteries, Electronics & Computers, Alternative Fuels, Energy, Renewable Energy, Solar Power, Green Design & Manufacturing, Transportation
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Three-Dimensional, Hidden Solar Cell

Using zinc oxide nanostructures grown on optical fibers and coated with dye-sensitized solar cell materials, researchers at the Georgia Institute of Technology have developed a new type of three-dimensional photovoltaic system. The approach could allow PV systems to be hidden from view and located away from traditional locations such as rooftops.

Posted in: GDM, News, News, Energy, Energy Efficiency, Energy Storage, Renewable Energy, Solar Power
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Transparent Insulating Film Could Enable Energy-Efficient Displays

Johns Hopkins materials scientists have found a new use for a chemical compound traditionally viewed as an electrical conductor (a substance that allows electricity to flow through it). By orienting the compound differently, the researchers have turned it into a thin film insulator, which blocks the flow of electricity but can induce large electric currents elsewhere.

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