Energy

Low-Power Quantum Computers

By 2017, quantum physics will help reduce the energy consumption of computers and cellular phones by up to a factor of 100. For research and industry, the power consumption of transistors is a key issue. The next step will likely come from tunnel-FET, a technology that takes advantage of a phenomenon referred to as quantum tunneling. At the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland, research is well underway.

Posted in: Electronics & Computers, Power Management, Computers, Energy Efficiency, News

Read More >>

Triple Step-Down LED Driver

The LT3597 from Linear Technology ((Milpitas, CA) is a 60-V triple step-down LED driver capable of achieving 10,000:1 digital PWM dimming at 100 Hz with fast NPN current sources driving up to 10 LEDs in each channel. LED dimming can also be achieved via analog control of the CTRL1-3 pin.

Posted in: Power Supplies, Power Management, Energy Efficiency, Lighting, LEDs, Products, GDM

Read More >>

Voltage Increases Observed in Closely Packed Nanowires

Unexpected voltage increases of up to 25 percent in two barely separated nanowires have been observed at Sandia National Laboratories. Designers of next-generation devices using nanowires to deliver electric currents — including batteries and certain solar arrays — may need to make allowances for such surprise boosts.

Posted in: Batteries, Solar Power, Energy Efficiency, Test & Measurement, News, GDM

Read More >>

Thinner Thermal Insulation for Better Energy Savings

In order to lower energy costs, more and more homeowners are investing in insulation facades. But the typical insulation layers on the market have one drawback: they add bulk. The thick outer skin changes the building’s visual appearance and can result in significant follow-up costs – with a need to fit new, deeper window sills and sometimes even roof extensions.

Posted in: Materials, Plastics, Energy Efficiency, Energy, News, GDM

Read More >>

Boost Converter with Battery Management for Energy Harvesting

The bq25504 from Texas Instruments (Dallas, TX) is an integrated energy harvesting nanopower management solution for ultra low power applications. The boost converter is designed to efficiently acquire and manage the microwatts to miliwatts of power generated from a variety of DC sources like photovoltaic or thermal electric generators.

Posted in: Batteries, Electronics & Computers, Environmental Monitoring, Green Design & Manufacturing, Solar Power, Energy Efficiency, Renewable Energy, Thermoelectrics, Energy, Products, GDM

Read More >>

Bacteria Engineered to Eat Switchgrass and Make Transportation Fuels

Researchers with DOE’s Joint BioEnergy Institute (JBEI) have engineered the first strains of Escherichia coli bacteria that can digest switchgrass biomass and synthesize its sugars into all three of those transportation fuels. The microbes are even able to do this without any help from enzyme additives.

Posted in: Alternative Fuels, Green Design & Manufacturing, Biomass, Renewable Energy, Energy, Transportation, News, GDM

Read More >>

"Fool's Gold" Could Lead to Cheaper Solar Energy

Pyrite - or “fool’s gold” - has recently helped researchers at Oregon State University discover related compounds that offer new, cheap, and promising options for solar energy. These new compounds would be benign and could be processed from some of the most abundant elements on Earth.

Posted in: Materials, Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM

Read More >>