Source: pv magazine Global
Researchers at Korea Advanced Institute of Science and Technology achieved 235.13 Wh/L energy density—comparable to lithium-ion cells in production EVs—signaling that solid-state technology is crossing from laboratory curiosity into practical viability for transportation and grid storage. Energy density has been the primary technical barrier preventing SSB adoption; if Korean institutes are replicating these results at prototype scale, commercial manufacturers like Samsung and LG will likely accelerate their own timelines, potentially bringing solid-state vehicles to market by 2027-2030. The shift moves competition away from incremental lithium-ion improvements toward a wholesale transition in battery chemistry, with major implications for automotive supply chains, mining (reduced cobalt and nickel demand), and energy density parity across EV platforms.