In recent years, the demand for cobalt, a crucial component of rechargeable lithium-ion batteries for smartphones and electric cars, has been on the increase. Around 60 percent of the world's cobalt supply comes from the ...
Environment
Sep 21, 2018
0
683
The success of electric car batteries depends on the miles that can be driven on a single charge, but the current crop of lithium-ion batteries are reaching their natural limit of how much charge can be packed into any given ...
Nanophysics
Jul 16, 2018
3
193
From smartphones to electric vehicles, many of today's technologies run on lithium ion batteries. That means that consumers have to keep their chargers handy. An iPhone X battery only lasts for 21 hours of talk time, and ...
Nanophysics
Apr 9, 2018
0
24
A collaborative team of researchers from Shinshu University in Japan has found a new way to curb some of the potential dangers posed by lithium ion batteries. The researchers, led by Susumu Arai, a professor at Shinshu University, ...
Materials Science
Feb 26, 2018
0
81
Researchers are making progress in developing rechargeable batteries based on potassium, a potential alternative to lithium that's less expensive and far more plentiful, and also have shown how to derive carbon for battery ...
Materials Science
Jun 21, 2017
0
303
The natural structure found within leaves could improve the performance of everything from rechargeable batteries to high-performance gas sensors, according to an international team of scientists. The researchers have designed ...
Materials Science
Apr 6, 2017
0
265
Materials researchers at the Swiss Paul Scherrer Institute PSI in Villigen and the ETH Zurich have developed a very simple and cost-effective procedure for significantly enhancing the performance of conventional Li-ion rechargeable ...
Energy & Green Tech
Jul 4, 2016
16
1318
Led by the inventor of the lithium-ion battery, a team of researchers in the Cockrell School of Engineering at The University of Texas at Austin has identified a new safe and sustainable cathode material for low-cost sodium-ion ...
Energy & Green Tech
Sep 24, 2015
1
1819
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
To overcome the danger of fires and increase the energy density of lithium batteries, researchers are developing solid-state lithium batteries that replace flammable liquid electrolytes with a safer solid electrolyte. These ...
Materials Science
Jun 18, 2015
0
27
