Donut Lab completed a third test to evaluate its solid-state battery technology. The results confirmed the battery is not a supercapacitor, addressing earlier skepticism. This validation marks a key step in proving the battery's distinctive properties and its potential applications in electric vehicles.
Donut Lab Confirms Solid-State Battery Technology Isn't a Supercapacitor

The Gist
“Donut Lab's third test of its solid-state battery confirms it is not a supercapacitor, validating its unique technology for EV use.”

The 5 Best Over-Ear ANC Headphones of 2026, Tested & Ranked
We locked five over-ear ANC picks for 2026 — Sony WH-1000XM6, Bose QuietComfort Ultra 2, Soundcore Space One, Sennheiser Momentum 5, and Apple AirPods Max 2 — then stress-tested them on lab metrics, long-term owner truth, and live street prices.
Related Stories
Semantically matched articles, ranked by topic overlap and freshness.

Rivian Clarifies Timeline for Gen 3 Autonomy Hardware in Upcoming R2 Models
While Rivian is launching its sophisticated new autonomy platform this year, the company has clarified that public access to the hardware will arrive later than some initial expectations suggested.

Battery Material Specialist Vianode Eyes Strategic Partnership or Full Sale
As demand for sustainable battery components surges, Norwegian graphite producer Vianode is searching for a partner to fuel its next wave of global growth.

Cadillac Escalade IQ Levels Up: 2027 Models Embrace NACS and Faster Home Charging
General Motors is refining its flagship electric SUV for the 2027 model year by standardizing the NACS charging port and boosting on-board power capabilities across all trim levels.

FedEx Commits to Massive Fleet Electrification with Landmark Harbinger Order
In a historic shift for commercial logistics, FedEx has placed a record-breaking $300 million order for 2,000 all-electric medium-duty delivery vans from manufacturer Harbinger.

China’s Roadmap to Solid-State Dominance Faces a Reality Check
China has set a national goal for large-scale solid-state battery deployment by 2030, but industry leaders warn that mass-market affordability remains a significant hurdle.

Polestar Expands Charging Ecosystem With New Subscription Tiers
Polestar is sharpening its competitive edge in the European EV market by launching two new tiered subscription models designed to lower public fast-charging costs.

Water Speeds Up South Korean EV Travel with New 400 kW Highway Network
South Korean charging provider Water is launching 23 ultra-fast highway charging hubs, featuring high-power 400 kW units designed to slash wait times for long-distance drivers.

Tesla’s Resilience in a Shifting EV Market: Q3 Deliveries Hold Steady
Despite a slight dip in global delivery numbers, Tesla continues to outperform many competitors in an increasingly turbulent and competitive electric vehicle landscape.

