Researchers have developed a nanowire-based battery material that can be recharged hundreds of thousands of times. To do this the researchers used gold coated nanowire highly conductive and thousands of times thinner than human hair.

See the source article by following the link below:Researchers have developed a nanowire-based battery material that can be recharged hundreds of thousands of times. To do this, the researchers used gold coated nanowire, highly conductive and thousands of times thinner than human hair.