{
  "$type": "site.standard.document",
  "description": "Disclosed is a secondary battery having a novel structure in which a jelly-roll type electrode assembly (\"jelly-roll\") in which a cathode including a cathode active material coated portion on at least one surface of a cathode current collector, an anode including an anode active material coated…",
  "path": "/patents/970587",
  "publishedAt": "2014-09-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/667",
    "LG CHEMICAL LTD [KR]"
  ],
  "textContent": "Disclosed is a secondary battery having a novel structure in which a jelly-roll type electrode assembly (\"jelly-roll\") in which a cathode including a cathode active material coated portion on at least one surface of a cathode current collector, an anode including an anode active material coated portion on at least one surface of an anode current collector, and a separator disposed therebetween are wound and an electrolyte are accommodated in a battery case, and at least one of a cathode lead coupled to a cathode uncoated portion and an anode lead coupled to an anode uncoated portion includes a first metal layer used for coupling with an electrode uncoated portion and/or coupling with a battery case and a second metal layer having a relatively lower resistance than that of the first metal layer, wherein the first and second metal layers are coupled to each other.",
  "title": "SECONDARY BATTERY HAVING NOVEL STRUCTURE"
}