Alumina refineries and aluminium smelters in parts of China cut production by 30% during November to March as part of a campaign against air pollution.
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 partners in Canada's Gahcho Kué mine, Mountain Province, said the planned acquisition opens up some potential new options for the operation’s future.