Stanford researchers invented a better lithium-ion battery

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“To conduct electricity, the spiky particles have to physically touch one another. But during thermal expansion, polyethylene stretches. That causes the particles to spread apart, making the film nonconductive so that electricity can no longer flow through the battery.” To do this,  he attached a thermally responsive polyethylene film to one of the battery electrodes in order to allow electric current flow using nanotechnology. The risk of explosion was a serious threat when this sort of batteries were used in laptops, smartphones, recliners and navigation system or in hoverboards. Some air companies banned hoverboards from flights because due to the batteries they are dangerous gadgets known for catching on fire. On the new battery the temperature can be also controlled. This is all still in the laboratory stage, that means the technology is not yet commercially available.

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