{
  "$type": "site.standard.document",
  "description": "A secondary battery includes: an electrode wound body having a structure in which a strip-shaped negative electrode and a strip-shaped positive electrode opposing each other are laminated and wound with a separator interposed therebetween; a battery can accommodating the electrode wound body; and a…",
  "path": "/patents/1332198",
  "publishedAt": "2022-11-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0587",
    "MURATA MANUFACTURING CO., LTD."
  ],
  "textContent": "A secondary battery includes: an electrode wound body having a structure in which a strip-shaped negative electrode and a strip-shaped positive electrode opposing each other are laminated and wound with a separator interposed therebetween; a battery can accommodating the electrode wound body; and a battery lid provided over a cavity of the battery can, wherein the positive electrode has a positive electrode end that is located toward the battery lid, the battery can includes: a thick portion that is located toward the battery lid; a thin portion that is located toward a can bottom and has a thickness smaller than a thickness of the thick portion; and a thickness varying portion between the thick portion and the thin portion, and in a sectional view, the thick portion is disposed so as to overlap the positive electrode end.",
  "title": "SECONDARY BATTERY, ELECTRONIC DEVICE, AND ELECTRIC TOOL"
}