Short Bytes:The hard working researchers from all around the world are working to extend the life of batteries being used in ourdaily use devices.
Researchers at the University of California, Irvine, have developed a new nanowire-based battery material that couldlast forever and can be recharged hundreds of thousands of times.
Over the years, lithium-ion batteries have seen an improvement in their performance, but they still die after several hundred recharges.
There searchers at University of California, Irvine, have invented anew nanowire-based battery material that could last forever and can be recharged hundreds of thousands of times.
In previous research work, scientists were able to develop nanowire batteries with the wiresthousands of times thinner than the human hair and larger surface area for electron exchange and storage.
However, those wires were brittle and their effective lifetime was even shorter than existing Lithium-ion batteries.
To overcome this problem, the researchers coated a gold nanowire in a manganese dioxideshell and encased it in a Plexiglas-like gel electrolyte.
Nanowires used without the electrolyte gel get corroded after 4,000 cycles. The wires in the gel show little corrosion after 100,000 cycles.
The research leader UCI doctoralcandidate Mya Le Thai tells that these encased wires were then cycled up to 200,000 times over three months and no loss of capacity, power, and strength was observed. However, when nanowires were used without theelectrolyte gel, they got corrodedafter 4,000 cycles.
it was just an accident!
Apart from a fair amount of hard work, a little good luck was also involved in this invention.
Mya was playing around, and she coated this whole thing with a very thin gel layer and started to cycle it,” said Reginald Penner, chair of UCI’s chemistry department.
Mya discovered that just by using gel, she could increase its lifetime thousands of times.At present, a minuscule amount of gold is being used in this nanowire battery, this still makes it a costly affair.
We hope that with further research, a more common metal could be used to turn the dream of forever batteries into reality.