Robuta

https://www.birmingham.ac.uk/news-archive/2019/rare-earth-metal-recycling-pilot-project-launched-at-university-of-birmingham-1

https://www.kth.se/en/om/upptack/kalender/disputationer/recovery-of-rare-earth-elements-from-spent-nickel-metal-hydride-batteries-from-hybrid-electric-vehicles-1.1115100

https://www.kth.se/en/om/upptack/kalender/recovery-of-rare-earth-elements-from-spent-nickel-metal-hydride-batteries-from-hybrid-electric-vehicles-1.1115100?date=2021-11-26&orgdate=2021-06-08&length=1&orglength=207