UK-based electric vehicle battery maker Britishvolt has signed a deal with Indonesian conglomerate Bakrie & Brothers’ VKTR division to jointly develop sustainable nickel sulfate supply from Indonesia for Britishvolt’s gigafactory in Blyth, Northumberland, the company said March 29. The two companies have signed a memorandum of understanding for a joint venture called Indovolt BV VKTR for nickel supply and battery…