{
  "$type": "site.standard.document",
  "description": "A negative active material for a rechargeable lithium battery and a rechargeable lithium battery are provided and the negative active material including a porous silicon-carbon composite including silicon, carbon, and magnesium silicate (MgSiO3) and having a diffraction peak intensity ratio…",
  "path": "/patents/1401545",
  "publishedAt": "2024-05-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "A negative active material for a rechargeable lithium battery and a rechargeable lithium battery are provided and the negative active material including a porous silicon-carbon composite including silicon, carbon, and magnesium silicate (MgSiO3) and having a diffraction peak intensity ratio IMgSiO3(610)/ISi(111) of 0.001 < IMgSiO3(610)/ISi(111) < 0.01, which is a ratio of a diffraction peak intensity IMgSiO3(610) by MgSiO3 at 2θ = 30° to 32° to a diffraction peak intensity ISi(111) by Si(111) detected at 2θ = 27.5° to 29.5° in an X-ray diffraction analysis.",
  "title": "NEGATIVE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME"
}