BMS FOR SECOND-LIFE BATTERIES

Module-by-module monitoring and real-time calculation of the operating range for the safe management of a reused battery pack.

Reuse batteries from electric vehicles as stationary storage at a charging station to support the power demand of fast-charging stations.

The resulting battery pack is not homogeneous: its modules drift and become unbalanced during operation, requiring specific management to keep the system within safe limits.

Solution

  • Supervision by module.
  • Real-time operating range.
  • Protections and safe shutdown.
  • Module balancing.
  • Bounds based on the most restrictive module.

Key Facts

  • 500 kW / 600 kWh.

Result

Stable and Safe Operation

The storage system operates stably despite the lack of uniformity, helping to meet the station's power needs during peak loads.

Second life

The service life of batteries is extended by giving them a second life in stationary applications rather than sending them directly to recycling.