{
  "$type": "site.standard.document",
  "description": "The invention relates to provides a method for operating an iron salt battery, ISB, device, the ISB device comprising an ISB cell or a stack of ISB cells, a positive tank containing a positive electrolyte and a negative tank containing negative electrolyte, wherein each ISB cell comprises a…",
  "path": "/patents/1386398",
  "publishedAt": "2026-01-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M8/04186",
    "VOLTSTORAGE GMBH [DE]"
  ],
  "textContent": "The invention relates to provides a method for operating an iron salt battery, ISB, device, the ISB device comprising an ISB cell or a stack of ISB cells, a positive tank containing a positive electrolyte and a negative tank containing negative electrolyte, wherein each ISB cell comprises a positive and a negative half-cell, and the method comprises: determining a pressure drop across the ISB cell or stack of ISB cells; and if it is determined that the pressure drop is outside of a predefined range, starting an iron residue removal operation mode to remove metallic solid iron residue from the ISB cell or the stack of ISB cells, wherein the iron residue removal operation mode comprises circulating positive electrolyte from the positive tank through the negative half-cell of each ISB cell or stack of ISB cells and back to the positive tank.",
  "title": "METHOD FOR OPERATING AN IRON SALT BATTERY"
}