High capacity lithium-metal batteries step closer with help from graphene

graphene, battery, lithium, dendrites
The researchers liken the way in which the new material controls the deposition of lithium to the way that pegs control and direct the fall of metal balls in a pachinko game. Credit: Tara Foroozan and colleagues.

In theory, lithium-metal batteries have the potential to store huge amounts of energy at low cost but attempts to develop them in practice keep failing because of a persistent problem. Now, it seems that a team of engineers is very near to solving the problem.

The need for high-capacity energy storage is growing, especially for use with wind turbines, smart grids, and electric vehicles. However, the technology to meet this demand in a stable, effective, and affordable way is lagging.

The idea of lithium-metal batteries is not new – it has been around for more than 100 years.

Unlike their cousins – the lithium-ion batteries that are now widely-used in consumer electronics – lithium-metal batteries have not taken off because their development has been stuck at a practical problem that causes them to overheat and even catch fire.

The full article is available below.

Source: Market Business News


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