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  "path": "/2026/02/11/bys-solid-state-battery-2027/",
  "publishedAt": "2026-02-11T12:28:08.000Z",
  "site": "https://dataconomy.com",
  "tags": [
    "Tech",
    "News",
    "2027",
    "solid state battery"
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  "textContent": "BYD has officially confirmed its roadmap to begin small-batch production of sulfide-based solid-state batteries in 2027, positioning itself at the forefront of the next generation of EV technology. The new batteries utilize sulfide composite electrolytes with high-nickel cathodes and silicon-based anodes to achieve an energy density of 400 Wh/kg. This specification supports vehicle ranges exceeding […]",
  "title": "BYD confirms solid state battery production to begin in 2027"
}