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  "path": "/news/112713-battery-experts-donut-lab-breakthrough-battery-looks-like.html",
  "publishedAt": "2026-06-10T14:40:00.000Z",
  "site": "https://www.techspot.com",
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  "textContent": "\nThe conclusion doesn't rest on speculation or anonymous sources. Instead, it comes down to how the battery behaves under testing. Data from Finland's VTT, including voltage curves and expansion measurements, consistently points to lithium-ion chemistry rather than the sodium-ion solid-state design the company claimed.\n\nRead Entire Article\n\n",
  "title": "Experts say Donut Lab's \"breakthrough\" solid-state battery is just ordinary lithium-ion"
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