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  "path": "/news/2026-03-extreme-large-scale-energy-storage.html",
  "publishedAt": "2026-03-22T11:30:03.000Z",
  "site": "https://techxplore.com",
  "tags": [
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  "textContent": "Thermal batteries can efficiently store energy as heat. But building them requires a carefully designed system with materials that can withstand cycles of extremely high temperatures, without succumbing to problems like corrosion, thermal expansion, and structural fatigue.",
  "title": "Turning extreme heat into large-scale energy storage"
}