In the future, lithium-sulfur (Li-S) rechargeable batteries could hold more energy and cost less than lithium-ion batteries if they can be made to last longer. A key challenge is preventing the polysulfide ions that must ...
Materials Science
May 24, 2018
0
7
From cell phones and laptops to electric vehicles, lithium-ion batteries are the power source that fuels everyday life. But in recent years, they have also drawn attention for catching fire. In an effort to develop a safer ...
Nanophysics
Apr 25, 2018
0
25
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
Liquid lithium-ion rechargeable batteries are dangerous. They can leak or ignite rapidly if they become overheated. So-called solid-state lithium-ion batteries are a way of reducing these risks. However, these batteries have ...
Energy & Green Tech
Jun 14, 2017
0
16
Yuan Yang, assistant professor of materials science and engineering at Columbia Engineering, has developed a new method that could lead to lithium batteries that are safer, have longer battery life, and are bendable, providing ...
Nanophysics
Apr 24, 2017
0
471
Most batteries are composed of two solid, electrochemically active layers called electrodes, separated by a polymer membrane infused with a liquid or gel electrolyte. But recent research has explored the possibility of all-solid-state ...
Materials Science
Feb 2, 2017
0
8
Dan Zhao and Simone Fabiano at the Laboratory of Organic Electronics, Linköping University, have created a thermoelectric organic transistor. A temperature rise of a single degree is sufficient to cause a detectable current ...
General Physics
Jan 31, 2017
0
67
As solar cells produce a greater proportion of total electric power, a fundamental limitation remains: the dark of night when solar cells go to sleep. Lithium-ion batteries, the commonplace batteries used in everything ...
Materials Science
Sep 22, 2016
0
854
Japanese scientists have synthesized two crystal materials that show great promise as solid electrolytes. All-solid-state batteries built using the solid electrolytes exhibit excellent properties, including high power and ...
Energy & Green Tech
Mar 22, 2016
0
1896
Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a novel electrolyte for use in solid-state lithium batteries that overcomes many of the problems that plague ...
Energy & Green Tech
Dec 21, 2015
0
955
