{
  "$type": "site.standard.document",
  "description": "The present invention can provide the nonaqueous electrolytic secondary battery excellent in cycle life characteristics and characteristics in discharge at a high rate as well as in safety in overcharge without reducing the discharge capacity by using the positive active material, which is obtained…",
  "path": "/patents/1111392",
  "publishedAt": "2001-07-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/133",
    "JAPAN STORAGE BATTERY CO LTD [JP]"
  ],
  "textContent": "The present invention can provide the nonaqueous electrolytic secondary battery excellent in cycle life characteristics and characteristics in discharge at a high rate as well as in safety in overcharge without reducing the discharge capacity by using the positive active material, which is obtained from starting materials containing Na and S by a simple production step such as water-washing treatment after synthesis to lower the impurities content and which contains less than 0.1% by weight of the sulfate group (SO2- ), less than 0.024% by weight of Na and/or less than 0.13% by weight of lithium sodium sulfate (LiNaSO).",
  "title": "Positive active material for nonaqueous secondary battery, and nonaqueous secondary battery using the same"
}