{
  "$type": "site.standard.document",
  "description": "Provided are a negative electrode including a silicon-based negative electrode active material and a secondary battery including the same. According to an exemplary embodiment of the present invention, a negative electrode for a secondary battery including: a current collector and a negative…",
  "path": "/patents/1398596",
  "publishedAt": "2024-08-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "SK ON CO LTD [KR]"
  ],
  "textContent": "Provided are a negative electrode including a silicon-based negative electrode active material and a secondary battery including the same. According to an exemplary embodiment of the present invention, a negative electrode for a secondary battery including: a current collector and a negative electrode active material layer including a plurality of silicon-based active material particles, which is positioned on the current collector may be provided, wherein the following Relation is satisfied: 0.01 ≤ A − B ≤ 0.81 wherein A is an average value of Raman spectrum peak intensity ratios Ia/Ib for 50 silicon-based active material particles randomly selected in the negative electrode active material layer, B is an average value of values excluding top 10 values and bottom 10 values, for each Raman spectrum peak intensity ratio Ia/Ib value for the 50 silicon-based active material particles, Ia is a peak intensity at 515115 cm, and Ib is a peak intensity at 470130 cm.",
  "title": "NEGATIVE ELECTRODE INCLUDING SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME"
}