{
  "$type": "site.standard.document",
  "description": "Provided is a secondary battery, including: an electrode wound body having a structure in which a band-shaped positive electrode and a band-shaped negative electrode are stacked with a separator interposed therebetween and wound; and a battery can that accommodates the electrode wound body, wherein…",
  "path": "/patents/1340836",
  "publishedAt": "2023-03-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/538",
    "MURATA MANUFACTURING CO., LTD."
  ],
  "textContent": "Provided is a secondary battery, including: an electrode wound body having a structure in which a band-shaped positive electrode and a band-shaped negative electrode are stacked with a separator interposed therebetween and wound; and a battery can that accommodates the electrode wound body, wherein the positive electrode has a positive electrode active material layer on both sides of a band-shaped positive electrode foil, the negative electrode has a negative electrode active material layer on both sides of a band-shaped negative electrode foil, the electrode wound body has a positive electrode foil tab between a winding starting side and a winding ending side of the positive electrode and a negative electrode tab between a winding starting side and a winding ending side of the negative electrode, the positive electrode foil tab has a plate-like part joined on the winding starting side of the positive electrode, and a comb-like part protruding from the positive electrode, and the comb-like part is a connecting part of the electrode wound body.",
  "title": "SECONDARY BATTERY, ELECTRONIC DEVICE, AND ELECTRIC TOOL"
}