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Luxury vehicle maker BMW won’t be signing any supply contracts for lithium and cobalt at least until 2020, when mass-producing electric vehicles (EVs) proves to be profitable
Cobalt has been used to colour pottery and glass for at least 2600 years evidenced by cobalt-containing glazes having been found in Ancient Egyptian tombs. Chinese pottery from Tang (600-900 AD) and Ming dynasties (1350-1650 AD) also contained blue colours made from cobalt-containing minerals
An assistant professor at the University of California San Diego says he has developed a way to recycle used cathodes from spent lithium-ion batteries and restore them to the point that they work as good as new
