German researchers say cobalt-free battery technologies — including post-lithium technologies based on non-critical elements — are the best way to avoid supply issues in the long term.
The changes to the mining code in Congo, which supplies some 60 percent of the world's cobalt, could have repercussions for consumers around the world.
Last year, a more than month-long strike at Escondida ended with workers opting to extend their previous contract through July 31 of this year instead of replacing it.
