{
  "$type": "site.standard.document",
  "description": "An evaluation method of a negative electrode active material for secondary battery includes measuring an X-ray diffraction of a battery cell stored in a charged state; calculating intensity integrals of extracted diffraction peaks, where the extracted diffraction peaks are extracted from X-ray…",
  "path": "/patents/1372791",
  "publishedAt": "2025-01-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01N23/2055",
    "LG ENERGY SOLUTION, LTD."
  ],
  "textContent": "An evaluation method of a negative electrode active material for secondary battery includes measuring an X-ray diffraction of a battery cell stored in a charged state; calculating intensity integrals of extracted diffraction peaks, where the extracted diffraction peaks are extracted from X-ray diffraction peaks for a carbon interlayer compounds and a decomposed products contained respectively in a negative electrode active layer of a negative electrode from the measured X-ray diffraction; calculating a reaction rate constant kfor the carbon interlayer compounds or a reaction rate constant kfor the decomposed products of the carbon interlayer compounds from the calculated intensity integral; and evaluating a material suitability of the negative electrode active material contained in the negative electrode active layer based on the calculated reaction rate constant.",
  "title": "METHOD FOR EVALUATING SUITABILITY OF NEGATIVE ELECTRODE ACTIVE MATERIAL"
}