' Blue-green  ’ solution for recycling world  ’ s batteries (Image 4)

Rice University research scientist Babu Ganguliand and graduate student Kimmai Tran display test tubes with the eutectic solvent they developed and varying concentrations of cobalt drawn into the solution. They are developing the solvent to extract cobalt and lithium from spent lithium-ion ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video