{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "Provided is a method for calculating the SOH of a battery power pack. The method comprises the following steps: acquiring a charging curve of a cell of a battery power pack, and determining a current charging phase according to the charging curve, wherein the charging phase comprises a high voltage…",
  "path": "/patents/1281707",
  "publishedAt": "2021-01-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/3648",
    "BYD COMPANY LIMITED"
  ],
  "textContent": "Provided is a method for calculating the SOH of a battery power pack. The method comprises the following steps: acquiring a charging curve of a cell of a battery power pack, and determining a current charging phase according to the charging curve, wherein the charging phase comprises a high voltage charging inflection point and a high voltage charging phase (S); acquiring a battery pack power amount corresponding to the high voltage charging inflection point and a battery pack power amount corresponding to the high voltage charging phase (S); calculating the remaining capacity of a cell according to the battery pack power amount corresponding to the high voltage charging inflection point and the battery pack power amount corresponding to the high voltage charging phase (S); and calculating the SOH of the cell according to the remaining capacity (S).",
  "title": "METHOD AND APPARATUS FOR CALCULATING SOH OF BATTERY POWER PACK, AND ELECTRIC VEHICLE"
}