Corvus Energy System / Package
Corvus Dolphin NxtGen ESS – Power
Corvus Dolphin NxtGen ESS Power: lightweight, liquid-cooled lithium-ion NCA marine battery, 6.56 kWh / 50 VDC modules, 1.4C continuous, 2.5C peak, rack-free stacking, up to 1200 VDC, DNV approved.
Description
The Corvus Dolphin NxtGen ESS – Power is a high-power, space-efficient marine battery system for hybrid and all-electric vessels where high C-rates and low weight are essential. Its rack-free design allows modules to be stacked in various configurations to make full use of the available battery room.
Technical data
- Chemistry: lithium-ion NCA
- Module: 6.56 kWh / 50 VDC, 152 Ah; 660 × 500 × 100 mm; 45.5 kg
- C-rate: 1.4CP continuous charge/discharge; 2.5CP peak for 10 seconds
- Max string density: 127 Wh/kg; 155 Wh/l
- Designed for voltages up to 1200 VDC
- Cooling: liquid; IP66
Safety
- Passive single-cell thermal runaway anti-propagation (DNV Pt6 Ch2 Option 1)
- Redundant fail-safe overcharge protection; integrated cell-level fusing
- Hard-wired emergency stop; integrated ground fault detection
- External fire suppression per SOLAS, class and Corvus recommendation
- Type approval: DNV
Key features
- Rapid charging and discharging; low weight
- Plug-and-play connections; modular and scalable
- Industry-proven BMS with remote monitoring; enhanced EMI immunity
Applications
Ferries and fast ferries, yachts, canal, tourist and sightseeing boats, harbour tugs, offshore vessels, offshore wind construction and support vessels, and crew transfer vessels.
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