Contemporary Amperex Technology (CATL) and BYD have signed initial agreements with Australian mining giant BHP to collaborate on battery technology and electrification of mining operations, as both mainland firms explore new growth avenues amid a weakening outlook for electric vehicles (EVs). Melbourne-based BHP said on Monday that it had signed memorandums of understanding (MOUs) with CATL, the world’s largest battery maker, and FinDreams Battery (FDB), a fully owned subsidiary of BYD, the...