{
  "$type": "site.standard.document",
  "description": "The disclosure relates to a power battery and a battery module. The power battery includes: a case including two openings opposite to each other; an electrode assembly which is formed by winding a positive electrode sheet, a negative electrode sheet, and a separator disposed between the positive…",
  "path": "/patents/1436364",
  "publishedAt": "2022-06-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0431",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The disclosure relates to a power battery and a battery module. The power battery includes: a case including two openings opposite to each other; an electrode assembly which is formed by winding a positive electrode sheet, a negative electrode sheet, and a separator disposed between the positive electrode sheet and the negative electrode sheet around a winding axis, the electrode assembly being disposed in the case, and two opposite ends of the electrode assembly along the winding axis being respectively disposed corresponding to the two openings; a first cap assembly covering one of the two openings, the first cap assembly including a liquid injection hole communicating with an interior of the case; a second cap assembly covering the other of the two openings, the second cap assembly including a through hole communicating with the interior of the case; in a length direction, the liquid injection hole and the through hole are located on a same side of a central axis of the case. The power battery according to the disclosure protects the end of the electrode assembly during the liquid injection, and reduces a probability that a short circuit occurs between the positive electrode sheet and the negative electrode sheet.",
  "title": "POWER BATTERY AND BATTERY MODULE"
}