Custom Battery Packs

GFG Sibylla

Key project requirements

|   Total usable energy 80 kWh
|   Gravimetric energy density above 180 Wh/kg
|   260 kW maximum discharge power

Podium Advanced Technologies has designed and built the electric powertrain and custom battery pack of the Sibylla GG 80 by GFG Style, a four-door luxury sedan that incorporates innovative solutions in terms of accessibility, functionality, and aesthetics.

Working for Superstile – the Turin based specialist in show cars, master models, maquette and prototypes who built the GFG Sibylla GG80 – Podium has designed and built the custom battery pack, the powertrain and the rear suspension system.

Sibylla project boasts two 160 KW electric motors and is equipped with a 80 kWh custom battery pack for a 450 km full electric range. 

Battery Management System Hardware features

  • Scalable: decentralized architecture BMS and several CSCs
  • Voltage level: 400V and up to >800V
  • Safety
  • Double μC with redundant communication (digital fault lines for OV, UV, OT)
  • Insulation monitoring unit
  • Crash detection, interlock signal, liquid leak detection
  • Interfaces
  • 2x CAN Bus
  • Low voltage interfaces
  • Analog and digital I/O’s
  • Channels for contactors and relays control
  • 2x Analog Current sensor interfaces
  • 4x HV measurement channels
  • Min 6 to max 16 cells voltage measurement per CSC
  • Max 8 temperature sensors per CSC

Battery Management System Software features

  • Cell limits monitoring
  • Power prediction (SoP)
  • SoC and SOH Evaluation
  • Balancing control
  • Contactor Control
  • Thermal Management Control
  • Data Logging
  • Operating Mode Control
  • Start-up and pre-charge
  • Driving
  • Charging
  • Shut down and discharge
  • Charger (AC & DC) Interfaces

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