The Korea Institute of Fusion Energy has set a new fusion plasma temperature record by operating its tokamak device at 100 million° C for 30 seconds.

This achievement surpasses the record of 100 million° C for 20 seconds posted one year ago with the Korea Superconducting Tokamak Advanced Research (KSTAR).

This progress is attributed to optimization of the KSTAR heating system and improvements in magnetic field conditions. Researchers next plan to add a tungsten diverter to prevent a rise in inner wall temperatures to increase plasma heating duration, with a goal toward setting a new record of 300 seconds in 2026.

Net energy will be achieved when the energy produced by nuclear fusion exceeds the energy required to power such artificial suns on Earth.

To contact the author of this article, email shimmelstein@globalspec.com