{
  "$type": "site.standard.document",
  "description": "A positive electrode active material that can achieve high thermal stability at low cost is provided. [0002] Provided is a positive electrode active material for a lithium ion secondary battery, the positive electrode active material containing a lithium-nickel-manganese composite oxide, in which…",
  "path": "/patents/1410371",
  "publishedAt": "2025-04-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/44",
    "PANASONIC CORP [JP]"
  ],
  "textContent": "A positive electrode active material that can achieve high thermal stability at low cost is provided. [0002] Provided is a positive electrode active material for a lithium ion secondary battery, the positive electrode active material containing a lithium-nickel-manganese composite oxide, in which metal elements constituting the lithium-nickel-manganese composite oxide include lithium (Li), nickel (Ni), manganese (Mn), cobalt (Co), titanium (Ti), niobium (Nb), and optionally zirconium (Zr), an amount of substance ratio of the elements is represented as Li : Ni : Mn : Co : Zr : Ti : Nb = a : b : c : d : e : f : g (provided that, 0.97 ≤ a ≤ 1.10, 0.80 ≤ b ≤ 0.88, 0.04 ≤ c ≤ 0.12, 0.04 ≤ d ≤ 0.10, 0 ≤ e ≤ 0.004, 0.003 < f ≤ 0.030, 0.001 < g ≤ 0.006, and b + c + d + e + f + g = 1), and in the amount of substance ratio, (f + g) ≤ 0.030 and f > g are satisfied.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY"
}