Solid-state sodium-ion batteries are far safer than conventional lithium-ion batteries, which pose a risk of fire and explosions, but their performance has been too weak to offset the safety advantages. Researchers Friday ...
Materials Science
Apr 19, 2019
5
710
As researchers work toward next-generation electric vehicles, they may be hitting their heads on the ceiling of what lithium ion batteries can deliver.
Materials Science
Apr 5, 2019
16
183
In late July of 2008 a British solar plane set an unofficial flight-endurance record by remaining aloft for more than three days straight. Lithium-sulfur batteries emerged as one of the great technological advances that enabled ...
Materials Science
Oct 16, 2018
1
69
Just like merry people at a party, photons perform random walks through white paint; but their density remained out of control. Recently, scientists at the University of Twente in the Netherlands have managed to control the ...
Optics & Photonics
Jun 28, 2018
0
69
A KAIST research team has developed a new hybrid energy storage device that can be charged in less than a half-minute. It employs aqueous electrolytes instead of flammable organic solvents, so it is both environmentally friendly ...
Energy & Green Tech
Mar 1, 2018
10
83
A new design of algae-powered fuel cells that is five times more efficient than existing plant and algal models, as well as being potentially more cost-effective to produce and practical to use, has been developed by researchers ...
Energy & Green Tech
Jan 10, 2018
1
119
Bursts of plasma, called plasma jets, have numerous uses ranging from the development of more efficient engines, which could one day send spacecraft to Mars, to industrial uses like spraying nanomaterial coatings on 3-D objects.
Plasma Physics
Jun 20, 2017
0
218
Changing population densities in urban areas across the globe could have major implications for building energy use and sustainability in the decades to come, according to a new study published by a team of international ...
Environment
Jan 12, 2017
2
16
The energy density contained in the center of a star is higher than we can imagine - many billions of atmospheres, compared with the 1 atmosphere of pressure we live with here on Earth's surface.
General Physics
Jan 11, 2017
2
132
Yuan Yang, assistant professor of materials science and engineering at Columbia Engineering, has developed a new method to increase the energy density of lithium (Li-ion) batteries. He has built a trilayer structure that ...
Nanophysics
Oct 24, 2016
1
658
