Dendrites are the destructive by-products of the cycle of charging and discharging lithium ion batteries. These tiny deposits form between the battery's anode and cathode, building up over time. Inevitably, they diminish ...
Materials Science
Nov 3, 2020
0
141
Electric vehicles are gaining in popularity, but their long charging time is a significant detraction for potential customers. While a typical SUV with a combustion engine could travel 300 miles with a five-minute refuel, ...
Materials Science
Oct 8, 2020
0
222
New technology to be used in lithium batteries can make them charge faster. The material graphite that was often used, already had a successor that could not further be improved, was the assumption. Until now, as researchers ...
Nanomaterials
Sep 28, 2020
0
8
The particles that make up lithium-ion battery electrodes are microscopic but mighty: They determine how much charge the battery can store, how fast it charges and discharges and how it holds up over time—all crucial for ...
Materials Science
Sep 9, 2020
0
74
Electric cars are one of the fastest growing sectors of the automotive industry. Record sales are being made despite the economic crisis posed by the coronavirus pandemic. Seven years ago, there were only 3500 plug-in cars ...
Environment
Aug 7, 2020
6
232
When a bicycle gets wet in the rain, the frame and chain become corroded or rusty, which shortens the life of the bike. Oil needs to be regularly applied to prevent this from happening. Battery cells are devices that create ...
Materials Science
Jul 14, 2020
2
132
Superman can squeeze a lump of coal and turn it into a sparkling diamond—in comic books, anyway. There is some scientific validity to this fictional feat. Coal and diamonds are both composed of carbon. The two materials ...
Materials Science
Jul 2, 2020
0
36
When batteries are charged and used, a complex SEI (solid electrolyte interphase) layer is formed. Its structure resembles a mosaic consisting of organic and inorganic parts assembled from several blocks.
Materials Science
Jun 24, 2020
0
5
The same material you'll find at the tip of a pencil—graphite—has long been a key component in today's lithium-ion batteries. As our reliance on these batteries increases, however, graphite-based electrodes are due for ...
Materials Science
Apr 28, 2020
0
48
Using electronic devices for too long can cause them to overheat, which might slow them down, damage their components or even make them explode or catch fire. Now, researchers reporting in ACS' Nano Letters have developed ...
Nanophysics
Apr 22, 2020
4
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