{
  "$type": "site.standard.document",
  "description": "The invention provides a pH-probe for determining a pH value of an electrolyte of an iron salt battery, ISB, device, the pH-probe comprising: a Fe(II)/Fe(III) reference electrode comprising a reference chamber containing a solution with predefined concentrations of Fe(ll) and Fe(III); and a pH…",
  "path": "/patents/1386397",
  "publishedAt": "2025-12-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01N27/4167",
    "VOLTSTORAGE GMBH [DE]"
  ],
  "textContent": "The invention provides a pH-probe for determining a pH value of an electrolyte of an iron salt battery, ISB, device, the pH-probe comprising: a Fe(II)/Fe(III) reference electrode comprising a reference chamber containing a solution with predefined concentrations of Fe(ll) and Fe(III); and a pH glass electrode; wherein the pH-probe is configured to measure a potential between the pH glass electrode and the Fe(II)/Fe(III) reference electrode, when the reference chamber and the pH glass electrode are immersed in the electrolyte of the ISB device. The invention further provides a Fe(III)-probe for determining a Fe(lll) concentration of an electrolyte of an iron salt battery, ISB, device, the Fe(III)-probe comprising: a Fe(II)/Fe(III) reference electrode comprising a reference chamber containing a solution with predefined concentrations of Fe(ll) and Fe(III); and a graphite electrode; wherein the Fe(III)-probe is configured to measure a potential between the graphite electrode and the Fe(II)/Fe(III) reference electrode, when the reference chamber and the graphite electrode are immersed in the electrolyte of the ISB device.",
  "title": "PROBE FOR IRON SALT BATTERY MANAGEMENT SYSTEM"
}