Cobalt is used to help stabilise lithium-ion batteries. It can help manufacturers make batteries safer, while increasing energy density and ultimately improving battery life. However 70% of the world's cobalt mining happens in the Democratic Republic of the Congo, a country that is rich in minerals, but also economically poor.Michael Davie's report for Foreign Correspondent: https://www.youtube.com/watch?v=_V3bIzNX4coSign up to our free newsletter at https://thedefrag.com/ - or become a paid member and get an ad-free feed and bonus episodes.Join our Discord: https://discord.gg/rHb7JVHz42Follow us on Facebook, Twitter, Instagram, or YouTube.Advertisers:Command Line Heroes: https://link.chtbl.com/commandlineheroes_cyoa?sid=s9.podcast.thedefrag