Swedish battery maker Northvolt announced that its subsidiary, Northvolt Ett Expansion AB, has filed for bankruptcy. The unit was responsible for expanding the group's gigafactory in northern Sweden, a project that has now been cancelled. Northvolt continues to negotiate with stakeholders for ongoing operations.Devdiscourse News Desk | Updated: 08-10-2024 12:56 IST | Created: 08-10-2024 12:56 IS..