{
  "$type": "site.standard.document",
  "description": "A core, a battery, and a battery pack are provided. The core includes: an electrode sheet assembly including a plurality of electrode sheets each including a tab; where a plurality of tabs are welded to form a weld imprint area, a height of the tabs after folded is H1, and the height of the weld…",
  "path": "/patents/1389884",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/531",
    "EVE POWER CO., LTD."
  ],
  "textContent": "A core, a battery, and a battery pack are provided. The core includes: an electrode sheet assembly including a plurality of electrode sheets each including a tab; where a plurality of tabs are welded to form a weld imprint area, a height of the tabs after folded is H1, and the height of the weld imprint area is H2; and where the core further has two side surfaces opposite to each other in a thickness direction of the core, a distance between the weld imprint area and one of the side surfaces is D, and a thickness of the core is d; and where 0.42≤arctan((H1−H2)/(d−D))/arctan((H1−H2)/D)≤1.",
  "title": "CORE, BATTERY, AND BATTERY PACK"
}