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Corvus Energy System / Package

Corvus Orca ESS

Corvus Orca ESS lithium-ion NMC marine battery system, installed on 700+ vessels: 5.65 kWh / 50 VDC modules, up to 3C, packs of 38–136 kWh up to 1200 VDC, passive cell-level thermal runaway protection.

Description

The Corvus Orca ESS is a modular lithium-ion marine battery energy storage system offering both energy and high power for hybrid and all-electric vessels. Launched in 2016, it is installed on over 700 vessels and maritime applications worldwide.

Technical data

  • Chemistry: lithium-ion NMC / graphite
  • Module: 5.65 kWh / 50 VDC, 128 Ah; 600 × 430 × 163 mm; 58 kg
  • C-rate: up to 3C discharge / up to 3C charge
  • Single pack range: 38–136 kWh / 350–1200 VDC
  • Max pack density: 77 Wh/kg (13 kg/kWh); 88 Wh/l
  • Cooling: forced air; system IP44

Safety

  • Passive single-cell thermal runaway anti-propagation (DNV Pt6 Ch2 Option 1), not dependent on active cooling
  • Integrated thermal runaway gas exhaust vented to atmosphere
  • Redundant fail-safe disconnect for over-temperature and over-voltage
  • Pack-level fuses, hard-wired emergency stop, integrated ground fault detection
  • Fire suppression per SOLAS, class and Corvus recommendation

Approvals

  • Type approval: ABS, BV, ClassNK, DNV, ES-TRIN, RINA
  • Cybersecurity approval: ABS, BV, DNV, RINA

Applications

Ferries, tugs, merchant and fishing vessels, cruise ships, Ro-Ro/Ro-Pax, yachts, rigs, offshore vessels, port cranes, shore charging and fish farms.

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