Scientists reveal how lithium’s narrow paths limit batteries
If you could shrink enough for a fantastic voyage across a lithium battery electrode, you’d see the level of charge at every scale is...
New solar cells set world record efficiency: 24%
Scientists have developed a tandem solar cell that reaches 24 percent efficiency.
This sets a new world record as the highest efficiency achieved so far...
This heat engine with no moving parts is as efficient as a steam turbine
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts.
Their new demonstrations show that it...
Stanford researchers develop solar cells that could keep working at night
About 750 million people in the world do not have access to electricity at night.
Solar cells provide power during the day, but saving energy...
These crystals could help computers run on less power
Researchers have created engineered crystal structures that display an unusual physical phenomenon known as negative capacitance.
Incorporating this material into advanced silicon transistors could...
Wind, solar could replace coal power in Texas
Texas can be a model for the nation on how to effectively replace coal with wind and solar for the state’s energy needs while...
Methane-eating bacteria could convert greenhouse gas into fuel
Methanotrophic bacteria consume 30 million metric tons of methane per year.
They have captivated researchers for their natural ability to convert the potent greenhouse gas...
This battery-free wireless device could float in the wind like dandelion seeds
Wireless sensors can monitor how temperature, humidity or other environmental conditions vary across large swaths of land, such as farms or forests.
These tools could...
How to clean solar panels without water
Solar power is expected to reach 10 percent of global power generation by the year 2030, and much of that is likely to be...
Researchers find new way to improve solid-state batteries
In the endless quest to pack more energy into batteries without increasing their weight or volume, one especially promising technology is the solid-state battery.
In...