{
  "$type": "site.standard.document",
  "description": "A battery manufacturing method according to the present disclosure includes: (A) performing charge/discharge processing on a power generation element including a positive electrode layer, a negative electrode layer, and an electrolyte layer located between the positive electrode layer and the…",
  "path": "/patents/1380150",
  "publishedAt": "2026-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/0447",
    "Panasonic Intellectual Property Management Co., Ltd."
  ],
  "textContent": "A battery manufacturing method according to the present disclosure includes: (A) performing charge/discharge processing on a power generation element including a positive electrode layer, a negative electrode layer, and an electrolyte layer located between the positive electrode layer and the negative electrode layer in a state where the power generation element is restrained in a stacking direction; and (B) decreasing a restraining pressure on the power generation element after the charge/discharge processing in the (A). At least one electrode layer selected from the group consisting of the positive electrode layer and the negative electrode layer includes an electrode active material having a coefficient of volumetric expansion in a charged state relative to a discharged state of 2% or more and 14% or less.",
  "title": "BATTERY MANUFACTURING METHOD AND BATTERY"
}