{
  "$type": "site.standard.document",
  "description": "The present application relates to the technical field of cylindrical battery, and in particular, to an aluminum-cased cylindrical battery structure with electrolyte injected at the pole terminal. The cylindrical battery structure includes a casing equipped with a wound core therein, with the top…",
  "path": "/patents/1377666",
  "publishedAt": "2025-12-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/567",
    "YANTAI LIHUA ELECTRIC POWER TECHNOLOGY CO., LTD."
  ],
  "textContent": "The present application relates to the technical field of cylindrical battery, and in particular, to an aluminum-cased cylindrical battery structure with electrolyte injected at the pole terminal. The cylindrical battery structure includes a casing equipped with a wound core therein, with the top of the wound core serving as a negative terminal and the bottom of the wound core serving as a positive terminal, the positive terminal includes a cover, the edge of the cover is laser-welded to the bottom of the casing, the bottom of the cover is laser-welded to a positive tab of the wound core, and an explosion-proof valve is disposed at the middle portion of the cover; and an electrolyte injection hole is disposed in the middle of the negative current collector plate and the stud for electrolyte injection.",
  "title": "ALUMINUM-CASED CYLINDRICAL BATTERY STRUCTURE WITH ELECTROLYTE INJECTED AT POLE TERMINAL"
}