Human cost of lithium ion batteries

“Another Huayou customer, LG Chem, one of the world’s leading battery makers, told The Post it stopped buying Congo-sourced minerals late last year. Samsung SDI, another large battery maker, said that it is conducting an internal investigation but that “to the best of our knowledge,” while the company does use cobalt mined in Congo, it does not come from Huayou.”

Source: Cobalt mining for lithium ion batteries has a high human cost – Washington Post (September 30, 2016)