{
  "$type": "site.standard.document",
  "description": "Method for testing a stack (1) of multiple battery elements, each of which comprises an anode (2a), a cathode (2b), and a separator (3) as types of battery element layers, wherein the separator (3) is arranged between the anode (2a) and the cathode (2b), and wherein • in a first test step, it is…",
  "path": "/patents/1392506",
  "publishedAt": "2025-11-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01B11/022",
    "VOLKSWAGEN AG [DE]"
  ],
  "textContent": "Method for testing a stack (1) of multiple battery elements, each of which comprises an anode (2a), a cathode (2b), and a separator (3) as types of battery element layers, wherein the separator (3) is arranged between the anode (2a) and the cathode (2b), and wherein • in a first test step, it is tested whether edges of the battery element layers each lie within a first tolerance range, wherein the battery elements for which this applies are identified as usable battery elements, • multiple of the usable battery elements are stacked to form the battery element stack (1), and • in a second test step, the battery element stack (1) is irradiated by means of X-radiation, which is emitted by an X-ray source (7) and detected by an X-ray detector (8), wherein the X-radiation is oriented perpendicular with respect to large surfaces of the battery element layers, and by means of the detected X-radiation, the positions of those edges of one type of the battery element layers are determined, which edges delimit at least two of the corners of these battery element layers, wherein it is tested whether in each case the greatest distance that exists between the respectively identically positioned edges of all of the battery element layers of the selected type lies within a second tolerance range.",
  "title": "METHOD FOR TESTING AT LEAST ONE STACK OF BATTERY ELEMENTS WITH RESPECT TO THE POSITION OF BATTERY ELEMENT LAYERS",
  "updatedAt": "2026-06-19T08:31:23.840Z"
}