MANY MINDEDGeely Targets 500 Wh/kg Solid-State Battery for 2027 Pilot Deployment
Geely Holding has set a target of 500 Wh/kg energy density for its next-generation solid-state EV battery, with real-world validation beginning in 2026. Pilot deployment across Geely-owned vehicles is scheduled for 2027, supported by Dow Chemical’s adhesive enabling stable performance from -40°C to 120°C. This follows Geely’s January 2026 commitment to build its first in-house solid-state battery pack for testing. Competitors like CATL and BYD also target 2027 for pilot production of similar cells, though BYD expects mass production only in the 2030s.
The mechanism hinges on achieving higher energy density than current semi-solid batteries—already deployed in some Chinese EVs—potentially reducing EV costs while extending range. But pilot deployment does not equate to mass production, and Geely has not specified production costs or timelines. Battery chemistry details remain undisclosed, and claims of a 1 million km lifespan lack third-party validation.
This could eventually reduce EV costs by matching diesel performance without range anxiety, but current progress is limited to testing. The real impact on affordability depends on whether Geely’s 500 Wh/kg target holds at pack level (where specifications are inconsistent) and whether production scales beyond pilots. For now, this remains a technical milestone rather than an abundance shift.
What to watch: Geely’s ability to validate the 500 Wh/kg target at pack level by 2027, and whether competitors like CATL or Toyota can achieve similar results. Caveats: Pilot deployment ≠ mass production; battery chemistry details undisclosed; 1 million km lifespan claim unverified.
Source: Electrek