World’s Biggest Battery Manufacturer, CATL (Contemporary Amperex Technology Co.), has powered China’s first fully electric offshore tourist ship, the Yujian 77. It has marine-grade batteries with a capacity of 3918 kWh.
The ship can accommodate 358 passengers, is 49 m long, 14.5 m broad and 4.15 m high with a 2.5 m draft. It was constructed by Fujian Funing Shipbuilding Heavy Industry, which creates a wide range of electric passenger ships and also offshore support and research vessels.
The battery packs, based on lithium-iron-phosphate chemistry, offer a range of 45 nm or 100 km. It also has two 450 kW electric motors, enabling a maximum speed of 11 knots or 20 km per hour.
The batteries are designed for safety, longevity and enhanced performance. They are IP68 rated, which means they are dust and water resistant and are protected against immersion in water from one to three metres.
They also feature No Propagation technology, which prevents thermal runaway from spreading among battery cells.
The ship was
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