{
  "$type": "site.standard.document",
  "description": "An apparatus for sensing a leakage current of a battery includes a floating capacitor charged with a voltage detected from a cathode or anode terminal of a battery; a DC voltage applying unit for applying a DC voltage to the anode terminal when measuring a detection voltage of the anode terminal; a…",
  "path": "/patents/1011855",
  "publishedAt": "2011-06-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R27/08",
    "LG CHEMICAL LTD [KR]"
  ],
  "textContent": "An apparatus for sensing a leakage current of a battery includes a floating capacitor charged with a voltage detected from a cathode or anode terminal of a battery; a DC voltage applying unit for applying a DC voltage to the anode terminal when measuring a detection voltage of the anode terminal; a terminal selection switching unit for selecting a voltage detection path for the cathode or anode terminal; a charge switching unit for charging the floating capacitor with the detection voltage detected from the selected voltage detection path, and separating the floating capacitor from the voltage detection path; a voltage sensing unit for sensing the detection voltage charged to the floating capacitor; and a leakage current determining unit for calculating a leakage resistance based on the detection voltages, and comparing the leakage resistance with a criterion insulation resistance to determine whether a leakage current occurs.",
  "title": "APPARATUS AND METHOD FOR SENSING A CURRENT LEAKAGE OF A BATTERY, AND BATTERY DRIVING APPARATUS AND BATTERY PACK INCLUDING THE APPARATUS"
}