Lithium Iron Phosphate Battery - Specifications

Specifications

• Cell voltage = min. discharge voltage = 2.8 V. Working voltage = 3.0 V – 3.3 V. Max. charge voltage = 3.6 V.
• Volumetric energy density = 220 Wh/dm3 (790 kJ/dm3)
• Gravimetric energy density = >90 Wh/kg (>320 J/g)
• 100% DOD cycle life (number of cycles to 80% of original capacity) = 2,000–7,000
• Cathode composition (weight)
  • 90% C-LiFePO4, grade Phos-Dev-12
  • 5% Carbon EBN-10-10 (superior graphite)
  • 5% PVDF
• Cell Configuration
  • Carbon-coated aluminium current collector 15
  • 1.54 cm2 cathode
  • Electrolyte: Ethylene carbonate-Dimethyl carbonate (EC-DMC) 1-1 LiClO₄ 1M
  • Anode: Graphite or Hard Carbon with intercalated Metallic lithium
• Experimental conditions:
  • Room temperature
  • Voltage limits: 2.0 – 3.65 V
  • Charge: Up to C/1 rate up to 3.6 V, then constant voltage at 3.6 V until I < C/24