{
  "$type": "site.standard.document",
  "description": "A system (11) of a battery stack (12) and a charger device (13) to charge the battery stack (12) with active balancing of battery cells (3), which battery stack (12) comprises:a series of battery cells (3) with at least a first battery cell and a second battery cell connected with battery cell…",
  "path": "/patents/1392094",
  "publishedAt": "2024-10-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/4257",
    "RENESAS DESIGN AUSTRIA GMBH [AT]"
  ],
  "textContent": "A system (11) of a battery stack (12) and a charger device (13) to charge the battery stack (12) with active balancing of battery cells (3), which battery stack (12) comprises:a series of battery cells (3) with at least a first battery cell and a second battery cell connected with battery cell contacts (14) in series between a battery stack plus contact (15) and a battery stack minus contact (16) andwhich charger device (13) is connectable to a power source and comprises:a charger module (18) connected with a charger plus contact (19) to the battery stack plus contact (15) and connected with a charger minus contact (20) to the battery stack minus contact (16) and built to charge the series of battery cells (3) based on a charger program when the charger device (13) is connected to the power source and which system (11) comprises:a balancer module (21) with a balancer stage (22) for each of the battery cells (3) of the battery stack (12) built to transfer energy from an already fully charged battery cell (3) to a battery cell (3) with a lower state of charge, wherein each balancer stage (22) of the balancer module (21) is connected in parallel to only one sole battery cell (3) of the battery cells (3) of the battery stack (12), wherein each balancer stage (22) of the balancer module (21) comprise an RFID antenna (24), wherein at least a first RFID antenna of a first balancer stage connected in parallel to the first battery cell and a second RFID antenna of a second balancer stage connected in parallel to the second battery cell are arranged in an RFID communication distance to exchange energy and/or information via a common first magnetic field (25).",
  "title": "BATTERY CELL BALANCING BASED ON WIRELESS CHARGING"
}