{
  "$type": "site.standard.document",
  "description": "In order to provide a power supply device and the like in which stretchability is secured while strength is enhanced in fastening of a battery stack body where a plurality of secondary battery cells are stacked, the power supply device includes: a plurality of secondary battery cells each including…",
  "path": "/patents/1320391",
  "publishedAt": "2022-06-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/224",
    "SANYO Electric Co., Ltd."
  ],
  "textContent": "In order to provide a power supply device and the like in which stretchability is secured while strength is enhanced in fastening of a battery stack body where a plurality of secondary battery cells are stacked, the power supply device includes: a plurality of secondary battery cells each including a prismatic exterior can; a pair of end plates covering both end surfaces of a battery stack body in which the plurality of secondary battery cells are stacked; and a plurality of fastening members () made of metal each having a plate shape extending in a stack direction of the plurality of secondary battery cells and disposed on an opposing side surface of the battery stack body to fasten the end plates to each other, in which each of the plurality of fastening members () includes fastening part () fixed to the end plate at each of both ends in a longer direction, and intermediate part () coupling fastening parts () with each other, and fastening parts () is higher in strength than intermediate part (), and intermediate part () is higher in stretchability than fastening parts ().",
  "title": "POWER SUPPLY DEVICE, ELECTRIC VEHICLE AND POWER STORAGE DEVICE USING SAME, FASTENING MEMBER FOR POWER SUPPLY DEVICE, METHOD OF MANUFACTURING POWER SUPPLY DEVICE, AND METHOD OF MANUFACTURING FASTENING MEMBER FOR POWER SUPPLY DEVICE"
}