{
  "$type": "site.standard.document",
  "description": "The present exemplary embodiments relate to a silicon-based negative electrode active material, a method of preparing the same, and a lithium secondary battery including the same. The silicon-based negative electrode active material according to an exemplary embodiment may have a particle size…",
  "path": "/patents/1389658",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/386",
    "POSCO Holdings Inc."
  ],
  "textContent": "The present exemplary embodiments relate to a silicon-based negative electrode active material, a method of preparing the same, and a lithium secondary battery including the same. The silicon-based negative electrode active material according to an exemplary embodiment may have a particle size fraction D1 of 1 μm or more, a D99 of 20 μm or less, and a degree of oxidation of 0.3% to 3.0%.",
  "title": "NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME"
}