World’s first metal-free electric motor boosts conductivity by 133%, cuts weight 80%

This innovation could reduce weight in various applications, including electric vehicles and spacecraft, without sacrificing performance. The researchers tested the metal-free motor in a scale model car on asphalt roads. - KIST ======================================================== Researchers in South Korea have developed the world’s first fully functional electric motor constructed entirely without metal components. This advancement, utilizing carbon nanotubes (CNTs) instead of traditional copper coils, represents a significant step toward ultra-lightweight transportation systems. The motor exhibits a 133% improvement in electrical conductivity and is 80% lighter than conventional designs. “Whether it’s electric vehicles, drones, or spacecraft, a common technical challenge for future transportation...