{
  "$type": "site.standard.document",
  "description": "The present invention relates to a cylindrical secondary battery including an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate are wound in one direction; a battery can…",
  "path": "/patents/1427441",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/04",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention relates to a cylindrical secondary battery including an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate are wound in one direction; a battery can in which the electrode assembly is accommodated; an electrolyte solution injected into the battery can; and a sealing body which seals an open end portion of the battery can, wherein an impregnation rate of propylene carbonate (PC) in the positive electrode plate is equal to or greater than a reference rate, and a positive electrode active material in a single particle form is applied to the positive electrode plate, and the present invention relates to a preparation method of the cylindrical secondary battery.",
  "title": "CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTRURING SAME"
}