{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An estimation apparatus estimates an internal state of an energy storage device having a positive electrode, a negative electrode including a negative active material that contains SiO, and a nonaqueous electrolyte, the energy storage device changing from a positive-electrode limiting type, in…",
  "path": "/patents/1269074",
  "publishedAt": "2020-08-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/3835",
    "GS Yuasa International Ltd."
  ],
  "textContent": "An estimation apparatus estimates an internal state of an energy storage device having a positive electrode, a negative electrode including a negative active material that contains SiO, and a nonaqueous electrolyte, the energy storage device changing from a positive-electrode limiting type, in which a discharge capacity is limited by the positive electrode, to a negative-electrode limiting type, in which the discharge capacity is limited by the negative electrode. The estimation apparatus estimates the internal state of the energy storage device by using a voltage value and an energization amount in a predetermined voltage range of the energy storage device or at a predetermined measured voltage value, or based on information on the shape of a discharge curve of the energy storage device.",
  "title": "ESTIMATION APPARATUS, ESTIMATION METHOD, AND COMPUTER PROGRAM"
}