MIT and Samsung are the key to making more safe, durable and higher density batteries

MIT and Samsung are the key to making more safe, durable and higher density batteries

When it leaves the issue of batteries in gadgets – no matter where they are phones, tablets or computers – first the talk is always of autonomy and how much more we would like to hang on each charge. There is time to see progress in that direction but while MIT and Samsung have discovered how to improve the lives and safety of this item.

A battery can be reduced to three elements. One of these electrolytes are in most existing models is in liquid state. It is effective but also causes accidents and, in rare cases, explosions. Several researchers have attempted to address this problem making solid but nobody had achieved so far.

The key is to materials

MIT, in collaboration with a research department funded by Samsung, has discovered a way to replace the liquid electrolyte battery by strong that work just as well. When in this state, there is no risk of catching fire and causing explosions.

Lithium by itself is not flammable and have always seen that such accidents has been by fire electrolyte due to a liquid battery. With this development, not only safer but also is achieved a longer service life.

The key to this progress is found in building materials. It is not the first time you try to make a solid electrolyte. The problem is that all attempts have been made to date showed that energy was not driving fast enough in the solid state.

As you probably know, the lithium ion batteries used in many devices end up degrading with each load. Therefore, our portable and mobile last less and less over time. The internal elements of the battery are losing quality and do not provide the same quality.

According to the researchers, there are no degradation reactions in batteries. This does not mean that they are eternal and do not lose much quality as the liquid version. It simply means that we could use “hundreds of thousands of cycles.”

During the investigation this new solid material discovered another benefit for liquids models: its smooth operation at very low temperatures. The latter do not work well when it’s cold and you have to warm them a little before to operate at full capacity. With these new models, it is not necessary.

Last but not least, we have advances in energy density. That is, an increase in capacity while maintaining the same size. As they explain, they have improved this figure between 20 and 30%. Considering just presented the progress recently, still it remains for us to see these batteries in commercial devices.

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