{
  "$type": "site.standard.document",
  "description": "Provided is a lithium secondary battery having improved high-temperature cycle characteristics, and including a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes lithium iron phosphorous oxide as a positive electrode active material…",
  "path": "/patents/1381884",
  "publishedAt": "2026-04-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0567",
    "LG ENERGY SOLUTION, LTD."
  ],
  "textContent": "Provided is a lithium secondary battery having improved high-temperature cycle characteristics, and including a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes lithium iron phosphorous oxide as a positive electrode active material, and the electrolyte includes a lithium salt, a first organic solvent, a second organic solvent, and an additive, the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate-based organic solvent, and the additive is lithium nitrate (LiNO), and satisfies Equation 1:",
  "title": "Lithium Secondary Battery"
}