{
  "$type": "site.standard.document",
  "description": "In order to provide a highly-reliable battery back in which a laminate film of a unit battery does not break through a laminate film of an adjacent unit battery even under vibration, a battery pack of the present invention is characterized by including a plurality of unit batteries 100 connected in…",
  "path": "/patents/978892",
  "publishedAt": "2014-02-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/105",
    "NEC ENERGY DEVICES INC [JP]"
  ],
  "textContent": "In order to provide a highly-reliable battery back in which a laminate film of a unit battery does not break through a laminate film of an adjacent unit battery even under vibration, a battery pack of the present invention is characterized by including a plurality of unit batteries 100 connected in series, the unit batteries 100 including: a positive-electrode pulled-out tab 120 and a negative-electrode pulled-out tab 130; and a laminate casing member that is provided with a first end portion 111, from which the positive-electrode pulled-out tab 120 and the negative-electrode pulled-out tab 130 are pulled out, a second end portion 112, which faces the first end portion 111, a first fusion-bonding portion 117, which has a first fusion-welding length in a direction in which a tab is pulled out at a first end portion 111's side, a second fusion-bonding portion 118, which has a second fusion-welding length that is shorter than the first fusion-welding length in a direction in which a tab is pulled out at a second end portion 112's side, and chamfered portions 119, which are positioned at both corner portions of the second end portion 112.",
  "title": "BATTERY PACK"
}