Scientists improve the energy efficiency of wearable health device
NC State's flexible heat harvesting device shows better efficiency at retaining heat to power the device.
Engineers continue to improve the efficiency of a flexible...
Icing could cost wind turbines 80% of power production, shows study
Wind turbine blades spinning through cold, wet conditions can collect ice nearly a foot thick on the yard-wide tips of their blades.
That disrupts blade...
Fuel efficiency of one car may be cancelled by your next car purchase
In a recent study, researchers find that consumers tend to buy something less fuel efficient than they normally would for their second car after...
Scientists boost efficiency of next-generation solar cell material to 25%
Perovskites are a leading candidate for eventually replacing silicon as the material of choice for solar panels.
They offer the potential for low-cost, low-temperature manufacturing...
Weakness is strength for this low-temperature battery
Scientists Diego have discovered new fundamental insights for developing lithium metal batteries that perform well at ultra-low temperatures; mainly, that the weaker the electrolyte...
New study could help make hydrogen useful, sustainable fuel
Hydrogen is an incredibly powerful fuel, and the ingredients are everywhere—in plain old water.
Researchers would love to be able to use it widely as...
Scientists develop new lead-based anode for next-generation lithium-ion batteries
The lithium-ion battery powers everything from mobile phones to laptops to electric vehicles. Scientists worldwide are always on the hunt for new and improved...
This “ring” could turn the body into a battery
Researchers at the University of Colorado Boulder have developed a new, low-cost wearable device that transforms the human body into a biological battery.
The device,...
This backpack could power electronics by harvesting energy from walking
Hikers, soldiers and school children all know the burden of a heavy backpack.
But now, researchers have developed a prototype that not only makes loads...
Scientists develop novel high-energy-density lithium metal battery
Scientists have developed an electrolyte engineering strategy for lithium (Li) metal batteries.
The new method realized pouch cells with a high energy density of 430...