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China’s largest battery capacity ship to pave way for electric vessels

18 May 2022

China Classification Society (CCS) on Tuesday (17 May) said China will ramp up the building of fully battery-powered ships to operate on the country’s extensive inland waterways network.

This is following the successful maiden voyage of the Chang Jiang San Xia 1, a 100m length cruise ship with the largest battery capacity in the world.

The vessel was successfully delivered at the Yichang Xin Hui Shipbuilding Co Ltd on the Yangtze River in the Hubei province. 

It has capacity for 1,300 passengers and will sail in the reservoir areas of the Gezhouba Dam and Three Gorges Dam in Yangtze River.

CCS’ Yichang office oversaw the plan approval and building survey while its Wuhan Rules & Research Institute provided technical support for the green technology and intelligence elements of the vessel, says CCS. 

Mr Luo Xiaofeng, Director of Wuhan Rules & Research Institute, said the Chang Jiang San Xia 1 can slash an estimated 530 tonnes of diesel fuel and 1660 tonnes of GHG and hazardous gas emissions each year with 7.5 MWh marine power lithium battery system. 

This is equivalent to the power of 100 electric cars, which compared to a similar diesel powered vessel. 

The ship will be charged by hydroelectric energy with a range of no less than 100 km. It is also one of the first all-electric ships to adopt a system of high-voltage charging and low-voltage power supplement.

The vessel will play a key role in promoting the green development of the Yangtze River shipping industry, which has received increasing attention in recent years. 

In 2020, four ministries, including the Ministry of Transport and Ministry of Ecology and Environment, issued a joint plan to curb ship and port pollution, urging comprehensive improvements in pollution prevention and acceleration of the green development of the shipping industry along the Yangtze River Economic Belt.

“CCS is very proud to have worked on this groundbreaking project with the talented team at Yichang Xinhui Shipyard,” said Mr Xu Junjie the GM to CCS Yichang. 

“The project demonstrates the implementation of advanced Lithium Battery Power Ship Rules and the building of electric inland waterway vessels in China. 

“We expect that the innovations made on this vessel about the size and power of the battery can promote the development of environmentally friendly electric vessels. We have learned a lot particularly about de-risking the build process and the overall safety of electric powered ships.”

Xu said the ship design of the ship has achieved several Chinese “firsts”.

“This vessel adopts the marine power LFP-type battery system that meets the world’s top standard,” he said. 

“The ship is a Demonstration Project of the Ministry of Industry and Information Technology in Hi-tech Research Ships and is a Pilot Project of the Ministry of Transport for ‘Building China with Strong Transportation Network’

“CCS fully supports the Government’s drive for greener inland waterways and hope what we are learning can be shared with the wider maritime industry as the sector strives towards meeting the IMO GHG emissions targets.”

Luo also said the Chang Jiang San Xia 1 obtained the notations of “Green Ship” as well as meeting high standards of vibration and noise reduction.

CCS Wuhan Rules & Research Institute is closely involved in the project and our battery power technicians are working closely with the ship designer and builder to solve technical problems and control battery power risks,” he concludes.

“For example, the unconventional requirements for assembling, welding, installation and commissioning. We further examined the problems in battery installation and system tests, providing training, to improve the capability of the shipyard.”


Photo credit: China Classification Society
Published: 18 May, 2022

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