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  "path": "/article/catl-sodium-ion-battery-aims-to-improve-ev-winter-range-loss/",
  "publishedAt": "2026-03-03T13:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "CATL says its sodium-ion pack can keep charging and delivering power far below freezing. The real test is whether those lab numbers survive real winter driving",
  "title": "CATL sodium-ion battery aims to improve EV winter range loss"
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