STOCKHOLM :Northvolt buyer Lyten said on Thursday it had appointed the last chief operating officer of the bankrupt Swedish battery maker as the new CEO of Lyten Sweden, and also recruited several other former executives of the failed company. Silicon Valley-based startup Lyten, which develops lithium-sulfur batteries, unexpectedly announced last month that it was buying Northvolt's assets, offering a lifeline to future European battery production for electric vehicles. The new CEO of Lyten