A team of researchers from University of California, USA, found a battery that can last 400 times longer than current lithium. The technology allows the creation of components capable of operating even after 200 thousand recharge cycles without showing wear effects. The curious result of the discovery is that, until now, scientists can not tell exactly what explains the high performance battery.
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The technology created apply nanowires made of gold as a means of storing energy. The use of the wires, which is not new, was encountering a number of problems caused by corrosion in several researches and has been modified for the experience.
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The battery created at the University of California uses gel instead a liquid such as lithium. The presence of the folder and the use of a protective material that coats the gold thread, prevents corrosion and ensures a higher survival to the component.
From a practical point of view, the choice of gel can eliminate the dependence of lithium, relatively scarce material. In the case of batteries, the component is likely to cause fires and explosions, as well as being highly toxic.
In the assessment of scientists, the battery with the gold nanowires can have a 400 times greater survival of a lithium equivalent as those used today. According to the researchers, the next steps of the research involves understanding the processes that ensure high performance, in addition to studying the possibilities of other cheaper materials than gold, such as nickel and other metals of similar properties.
Via PopSci
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