Power and Electrical Engineering

Power and Electrical Engineering

Fast Electric Car Boosts Power with Modular Design

As part of the project, the developers at Siemens Corporate Technology are focusing on two areas: creating a modular powertrain and giving the vehicle a smart…

Power and Electrical Engineering

Cable-Free Charging for Electric Cars: A New Era with BMW

Developed in cooperation with BMW, this non-contact technology also works if drivers only make a short stop to recharge. The associated charging stations can…

Power and Electrical Engineering

Battery-Less Chemical Detector: Innovative Solution by Livermore Researchers

The device overcomes the power requirement of traditional sensors and is simple, highly sensitive and can detect various molecules quickly. Its development…

Power and Electrical Engineering

Replacing batteries may become a thing of the past, thanks to 'soft generators'

A class of variable capacitor generators known as “dielectric elastomer generators” (DEGs) shows great potential for wearable energy harvesting. In fact,…

Power and Electrical Engineering

Economics, Physics Are Roadblocks for Mass-Scale Algae Biodiesel Production

“Fossil fuels are limited, and since we can't use more than what Earth offers, a lot of people are looking for alternative fuel sources like algae,” said Peter…

Power and Electrical Engineering

Nanoparticles Improve Solar Collector Efficiency

Photovoltaic (PV) solar panels are popping up more and more on rooftops, but they’re not necessarily the best solar power solution. “The big limitation of PV…

Power and Electrical Engineering

ORNL, Industry Collaboration Puts Spotlight on Solar

Through individual cooperative research and development agreements, or CRADAs, the companies hope to advance solar cell materials and processing technologies….

Power and Electrical Engineering

New 22 kW Fast Charging Station Cuts EV Charge Time in Half

By doubling the output to 22 kilowatts, the charging station cuts charging times in half. The station is also protected against vandalism, thanks to a doubly…

Power and Electrical Engineering

Vibrant Colors in Vertical Silicon Nanowires Unveiled by Engineers

Engineers may soon be singing, “I'm going to wash that gray right out of my nanowires,” thanks to a colorful discovery by a team of researchers from Harvard…

Power and Electrical Engineering

Siemens Equips Offshore Wind Installation Vessel for A2SEA

The final customer is A2SEA A/S, a supplier of installation services for the construction of offshore wind farms. Delivery of the self-propelled jack-up vessel…

Power and Electrical Engineering

Fast-Recharge, Lithium-Ion Battery Could be Perfect for Electric Cars

The 3-D Li-ion battery recharges in minutes, rather than hours, and could bring closer the day in which electric cars can recharge as quickly as gas-powered…

Power and Electrical Engineering

A measurement first: NIST 'noise thermometry' system measures Boltzmann Constant

The Boltzmann constant* relates energy to temperature for individual particles such as atoms. The accepted value of this constant is based mainly on a 1988…

Power and Electrical Engineering

Stanford Researchers Harness River and Ocean Water for Power

Anywhere freshwater enters the sea, such as river mouths or estuaries, could be potential sites for a power plant using such a battery, said Yi Cui, associate…

Power and Electrical Engineering

New Charger Controller Enhances EV Charging Efficiency

The device enables mode 3 charging in accordance with IEC 61851-1 and is equipped with an Ethernet communication interface. This means the charger controller…

Power and Electrical Engineering

Innovative Solutions Boost Solar Module Production Efficiency

Following a successful year in 2010, Saint-Gobain Solar, a leading manufacturer of sustainable materials and engineered renewable energy solutions, is on track…

Power and Electrical Engineering

Photonics: A more sensitive device

Optical chips are the latest innovation in silicon technology with the potential to revolutionize telecommunications. Their operation relies on several key…

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