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  "path": "/news/2026-02-phosphorus-addition-safer-high-sodium.html",
  "publishedAt": "2026-02-18T16:59:30.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Energy & Green Tech"
  ],
  "textContent": "Researchers at Kogakuin University have discovered that adding phosphorus (P2O5) to sodium-yttrium-silicate glasses significantly enhances their performance as solid electrolytes for next-generation sodium-ion batteries. This improvement arises from the formation of the high-performance Na5YSi4O12 crystal phase, which promotes high ionic conductivity and stability, making sodium-based batteries a safer and promising alternative to lithium-ion technologies. However, the effects of phosphorus on the glass structure and its location after crystallization had not been fully understood.",
  "title": "Phosphorus addition could unlock safer, high-performance sodium-ion batteries"
}