An unfortunate consequence of many industrial and manufacturing practices, from textile factories to metalworking operations, is the release of heavy metals in waterways. Those metals can remain for decades, even centuries, ...
Other
Dec 16, 2011
4
1
Rechargeable batteries based on magnesium, rather than lithium, have the potential to extend electric vehicle range by packing more energy into smaller batteries. But unforeseen chemical roadblocks have slowed scientific ...
Materials Science
Oct 19, 2017
3
263
New research by engineers at MIT and elsewhere could lead to batteries that can pack more power per pound and last longer, based on the long-sought goal of using pure lithium metal as one of the battery's two electrodes, ...
Materials Science
Feb 3, 2020
1
879
Fuel cells, which generate electricity from chemical reactions without harmful emissions, have the potential to power everything from cars to portable electronics, and could be cleaner and more efficient than combustion engines.
Materials Science
May 16, 2016
0
933
One big problem faced by electrodes in rechargeable batteries, as they go through repeated cycles of charging and discharging, is that they must expand and shrink during each cycle—sometimes doubling in volume, and then ...
Nanomaterials
Aug 5, 2015
2
126
A new type of redox flow battery presents a huge advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be exchanged at the gas station for recharged fluid -- as easy ...
Energy & Green Tech
Oct 13, 2009
14
0
Improvements to a class of battery electrolyte first introduced in 2017—liquefied gas electrolytes—could pave the way to a high-impact and long-sought advance for rechargeable batteries: replacing the graphite anode with ...
Materials Science
Jul 1, 2019
0
3
A new high-performance anode structure based on silicon-carbon nanocomposite materials could significantly improve the performance of lithium-ion batteries used in a wide range of applications from hybrid vehicles to portable ...
Nanomaterials
Mar 15, 2010
9
0
Batteries might gain a boost in power capacity as a result of a new finding from researchers at MIT. They found that using carbon nanotubes for one of the battery's electrodes produced a significant increase — up to tenfold ...
Nanomaterials
Jun 20, 2010
6
0
The biggest drawback to many real or proposed sources of clean, renewable energy is their intermittency: The wind doesn’t always blow, the sun doesn’t always shine, and so the power they produce may not be available ...
Materials Science
Feb 14, 2012
37
0
