{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "There is provided a lithium ion storage device. A lithium ion storage device includes a positive electrode (18) having a positive electrode active material (22) that is a lithium-containing compound and is capable of absorbing and desorbing lithium ions, and a negative electrode (12) having a…",
  "path": "/patents/997568",
  "publishedAt": "2012-10-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01G11/06",
    "FUJI HEAVY IND LTD [JP]"
  ],
  "textContent": "There is provided a lithium ion storage device. A lithium ion storage device includes a positive electrode (18) having a positive electrode active material (22) that is a lithium-containing compound and is capable of absorbing and desorbing lithium ions, and a negative electrode (12) having a negative electrode active material (16) capable of absorbing and desorbing lithium ions. The irreversible capacity of the positive electrode active material (22) that is a capacity at which lithium ions cannot be reabsorbed after being desorbed from the positive electrode active material (22) is 6 % to 40 % of a usage capacity of the negative electrode (12) that is a capacity at which lithium ions are reversibly absorbed and desorbed by the negative electrode active material (16).",
  "title": "Lithium ion storage device"
}