Our regular Li ion battery used commonly in handsets gets killed, after repeated charging and draining, eventually Lithium corrodes inside the battery. But not for long, scientists have developed a battery that could last a life-time.
According to Gizmodo, researchers from the University of California, Irvine have developed a new nano-wire battery that can last hundreds of thousands of charging cycles. The scientists have used gold nano wires instead of Lithium, to store electricity, and have discovered that their system outlast one traditional lithium battery construction.
The team's nano-system cycled through 200,000 recharges without significant corrosion or decline, as per Popular Science.
In normal Li batteries, which are used commonly in electronic devices, lithium becomes irreversibly deposited to the electrodes in li-on batteries, as time passes. These build ups termed ‘dendrites’ causes the batteries to degrade and ultimately fail over time, as they make it harder for battery to charge effectively.
"We started to cycle the devices, and then realized that they weren't going to die," said Reginald Penner, a lead author of the paper. "We don't understand the mechanism of that yet."
The technology is currently a lab-based experiment. But the researchers hope in the future the technology could usher in a new breed of rechargeable batteries that never need to be replaced.
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