Sunwoda says its Xin Bixiao solid-state cell survived 200°C testing and could support 1,000 km of EV range
By Eve
Chinese battery maker Sunwoda reports that its 20 Ah Xin Bixiao cell, built on a polymer-composite electrolyte with a nano-scale high-entropy silicon anode, did not catch fire or explode when heated to about 200°C. Earlier tests reached an energy density above 400 Wh/kg, and the cell completed more than 1,200 charge and discharge cycles under 1 MPa of external pressure while keeping over 80% of its capacity. Sunwoda stresses that the thermal results have not yet been validated in an EV battery pack, and cell testing, which began in May, is continuing.
Why it matters
These are company-reported cell-level results with no pack validation yet, so they signal direction rather than a product that can be specified today. Procurement and CPO teams should treat the 1,000 km range claim as a long-term indicator for vehicle capability and fleet planning, not a near-term change to charging demand assumptions.
Source
- Original title
- “200 derece sıcaklığa dayanan katı hal batarya 1.000 km menzil vadediyor”
- Published
- 3 November 2026
- Updated
- 4 November 2026
In this story
- Topic
- Electric Vehicles
- Place
- Global
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