Alternative Energy

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Automotive

Solar at Tipping Point of Mass Adoption in EVs, Says IDTechEx

Family cars built with solar bodywork, rather than the typical solar roof, are coming next year. And many owners will never need to plug in.
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Power

Not a Joke: Harvest Energy from the Cold Night Sky

Applying the physics principle of radiative sky cooling, a team was able to harvest a small but useful amount of energy from the cool night sky using a simple, low-cost, non-critical...
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Power

Semi-Liquid Metal Anode Yields Higher-Capacity, Safer Lithium Batteries

This lithium battery, developed by Carnegie Mellon researchers, uses a semi-liquid, metal-based lithium anode that prevents hazardous dendrite formation found on anodes using ...
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Automotive

High-Voltage Plasma Succeeds in Aircraft-Wing Deicing

By using a plasma created by high voltage moving across a wing’s surface, researchers devised and tested a technique for deicing aircraft wings that doesn’t rely on diverted engine...
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Power

Hybrid Cathode Synergy Yields Sharply Improved Li-S Battery Metrics

A new cathode implementation for lithium-sulfur batteries uses a hybrid of materials and fabrication techniques, greatly improving weight and energy density specifications versus...
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Power

The Low-Carbon-Based Economy’s Future Banks on Energy-Storage Systems

Increasing complexity in power grids and the adoption of smart grids will require enhancements in energy-storage systems, from molten-salt and flywheel to battery-based options...
Infineon's hybrid CoolSiC MOSFET Easy 2B module
Power

Hybrid SiC and IGBT Power Module Boosts System Efficiency

Infineon’s EasyPACK 2B module features increased power density and a switching frequency of up to 48 kHz.
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Power

Lightest Vehicle Ever Achieves Fully Untethered Flight

After six years of work, a team at Harvard has built an insect-like solar-powered aerial vehicle that flies untethered and weighs under 260 mg.
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Power

A Low-Cost Alternative to Rare-Earth Permanent-Magnet Electric Motors

This brushless synchronous doubly-fed electric machine system is less expensive but more robust and higher performing than its rare-earth permanent-magnet counterpart.