Humm . High Nickel Content . Northvolt JV? And we certainly have the goods . High Nickel content or tonnage ? Yup we good read on , Info.This was reported by Manager Magazin with reference to company circles. Northvolt is currently building a battery cell plant in Skellefte, Sweden, which is also known as Gigafactory 1 of the Volkswagen Group. Although Northvolt operates the plant itself, the premium cells planned there, whose cathodes will have a high nickel content, are primarily intended for Volkswagen subsidiaries Audi and Porsche.