In Gyeonggi-do, South Korea on May 15, 2026, an innovative technology known as sulfide-based all-solid-state batteries (ASSBs) is gaining attention. These batteries utilize a solid electrolyte instead of a liquid one, presenting a solution to the safety and energy-density issues typically associated with traditional lithium-ion batteries. This advancement in battery technology showcases potential benefits, with significant improvements in safety and energy capacity.