{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A battery cell, a method of welding electrode foils in a battery, and a method of forming a battery cell. The battery includes a foil stack. The foil stack includes a plurality of foil tabs each extending from a current collector and at least one internal terminal lead. The battery further includes…",
  "path": "/patents/1114837",
  "publishedAt": "2026-05-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/536",
    "GM Global Technology Operations LLC"
  ],
  "textContent": "A battery cell, a method of welding electrode foils in a battery, and a method of forming a battery cell. The battery includes a foil stack. The foil stack includes a plurality of foil tabs each extending from a current collector and at least one internal terminal lead. The battery further includes a weld joint formed between the plurality of foil tabs and the at least one terminal lead in the foil stack. A portion of the weld joint includes a weld nugget extending across the plurality of foils into the internal terminal lead, and the remainder of the weld joint includes a diffusion bonding zone extending around at least a portion of the weld nugget.",
  "title": "HYBRID FOIL WELD JOINT AND WELDING METHODS"
}