National Institute for Fusion Science develops high-temperature superconducting and high-current conductor / Succeeds in 20,000A stable current flow

The National Institute for Fusion Science announced on the 17th that it has developed a high-temperature superconducting and high-current conductor that is stable and strong. Magnetic confinement type nuclear fusion reactors have so far been studied using low-temperature superconducting magnets that are cooled with helium to generate a strong magnetic field. However, for commercialization, high-temperature superconducting magnets that can simplify the cooling system and save helium, a scarce resource, are expected. The research institute has confirmed that the newly developed "STARS conductor", which is made by laminating tape-shaped high-temperature superconductor wires, can stably pass current of 20,000 A class. In the future, we aim to apply it to next-generation nuclear fusion experimental equipment.