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
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
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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
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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
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
Most of us have seen dramatic photographs of laptops and even cars that have burst into flames due to failures in lithium-ion batteries. On a much larger scale, battery fires grounded Boeing's 787 Dreamliner jets for several ...
Nanophysics
Apr 3, 2015
0
49
The lithium-ion batteries that mobilize our electronic devices need to be improved if they are to power electric vehicles or store electrical energy for the grid. Berkeley Lab researchers looking for a better understanding ...
Materials Science
Dec 19, 2014
2
0
