Sunwoda Advances Multi-Path Solid-State Battery Tech, Unveils Polymer All-Solid-State Battery with Over 400 Wh/kg Energy Density

Sunwoda has proactively positioned itself in the solid-state battery sector, advancing multiple technological pathways—including sulfide- and polymer-based approaches—in parallel, while developing both semi-solid and all-solid-state battery product lines. The company’s recently unveiled polymer-based all-solid-state battery achieves an energy density exceeding 400 Wh/kg and has already passed nail penetration and 200°C thermal chamber tests. Although Sunwoda has not yet disclosed specific capacity details, it has made substantial progress in solid-state battery technology development.