{
  "$type": "site.standard.document",
  "description": "A battery power supply device of the present invention includes a battery pack (10) in which a plurality of battery modules (11) each includes a plurality of cells (11a) which are serially connected together both electrically and mechanically, the plurality of battery modules housed in a holder…",
  "path": "/patents/1099776",
  "publishedAt": "2002-12-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/613",
    "MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]"
  ],
  "textContent": "A battery power supply device of the present invention includes a battery pack (10) in which a plurality of battery modules (11) each includes a plurality of cells (11a) which are serially connected together both electrically and mechanically, the plurality of battery modules housed in a holder (12), and the battery power supply device is structured so that a cooling medium flows around each cell and/or each battery module; the battery pack is provided with a plurality of vent holes (12c) having different aperture areas which are distributed over at least one of inlet and outlet sides of the battery pack such that a cooling medium having a substantially uniform flow rate flows around each cell and/or each battery module.",
  "title": "Battery power supply device"
}