Scientists believe the devices have the potential to be the ultimate rechargeable batteries, with theoretical energy densities several times that of currently available lithium-ion batteries.
Financial institutions in South Korea have failed to keep up with their global peers in setting policies to exit the dirtiest fossil fuel, an activist group said.
The deal marks a positive development for Rio, which is reeling from Serbia's rejection last week of its proposed lithium mine as well as local opposition to projects in Ghana and the United States.