{
  "$type": "site.standard.document",
  "description": "A heating control system includes a three-phase inverter configured to be driven using electric power of a lithium ion secondary battery, a control unit configured to heat the lithium ion secondary battery by supplying current generated by the three-phase inverter to the lithium ion secondary…",
  "path": "/patents/1389783",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/63",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A heating control system includes a three-phase inverter configured to be driven using electric power of a lithium ion secondary battery, a control unit configured to heat the lithium ion secondary battery by supplying current generated by the three-phase inverter to the lithium ion secondary battery, a high-frequency signal supply unit configured to supply a high-frequency signal with a frequency of 0.1 MHz or higher to the lithium ion secondary battery, a detecting unit configured to detect a value of a real part of alternating-current impedance from the lithium ion secondary battery to which the high-frequency signal has been supplied, and a calculation unit configured to calculate an amount of Li deposition in the lithium ion secondary battery from the detected value of the real part of alternating-current impedance.",
  "title": "HEATING CONTROL SYSTEM AND HEATING CONTROL METHOD"
}