(FILES) In this file photo taken on February 23, 2022 a mockup of a Northvolt battery is pirtured at the Northvolt Ett factory in Skelleftea, north Sweden. Sweden's beleaguered electric car battery maker Northvolt announced on November 22, 2024 the resignation of its CEO Peter Carlsson, hours after the company sought bankruptcy protection in the US while it reorganises its business. (Photo by Jonathan NACKSTRAND / AFP) / ALTERNATIVE CROP (Photo by JONATHAN NACKSTRAND/AFP via Getty Images)