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SAFER TRANSPORT OF LITHIUM BATTERIES SOUGHT
April 25, 2022

Amid a number of recent fire incidents affecting container transport, ro-ro ships, and air cargo movements allegedly involving lithium batteries, international freight transport insurer TT Club is calling for increased vigilance to ensure a secure safe environment for the fast-developing supply chains of this increasingly common component.

 

It said that the rise of e-commerce demand for various rechargeable products is driving the increased shipments of lithium batteries but warned that these batteries now carry more energy, and are not always being tested before shipment.

"Recently recorded incidents of container fires caused by, or suspected to involve lithium batteries, as well as conflagrations of significant proportions on car carriers and ro-pax ships mean that safety concerns rightly continue to grow amongst the maritime community," TT Club said.

 

It added that revised regulatory restrictions regarding the carriage by air of lithium batteries, which took effect from April 1, may also result in greater volumes being transported by surface modes.

 

"Understanding the risks is crucial," said Peregrine Storrs-Fox, TT’s Risk Management director. "As with many successful technologies, market demand has outpaced the development of safety regulations."

 

Regulatory mismatched

 

The TT Club executive noted that since the mid-1980 lithium batteries have been classified under dangerous goods regulations for transport based on the weight of lithium contained in the cells or batteries and the potential hazard presented by a given battery is also related to the amount of lithium it contains.

 

However, he noted that as technology has advanced, the amount of energy derived from the active material has increased by up to 50% — "leading to a regulatory mismatch where provisions are essentially framed around mass and energy output."

 

TT Club said lithium batteries are required to be certified to an international standard involving a rigorous series of tests performed by an approved independent testing laboratory, to ensure they can both withstand everyday use through their expected lifetime and the rigours of transport.

 

Responsibility for testing and achieving certification rests with the shipper and/or manufacturer, it added.

 

"The sharp rise in demand has been accompanied by a supply of cheaper, poorer quality and untested batteries, including refurbished and even homemade power banks," the insurer added. "E-commerce platforms have facilitated a global trade in potentially lethal products, often circumventing global standards and regulations."

 

It said that throughout their "intermodal journey" the primary risks exist when batteries are poorly manufactured, untested or defective; these have a higher propensity to malfunction.

 

However, TT Club said supply chain risk – at any point of handling, storage, and transport – is compounded by used, fully or partially charged batteries.

 

"As such the reverse logistics of batteries must be carefully managed; damaged and faulty products being returned or shipped as waste for disposal or recycling present increased risk," it further said.

 

The consequences of lithium fuelled fires can be more extensive than others, the insurer said, noting that they are "very difficult to extinguish, prone to thermal runaway and present an explosion risk."

 

"Due to the heat generated, re-ignition once a fire has been extinguished is an additional risk," it said, further saying that in the unforgiving maritime environment, where the crew's capability to fight fire is strained, the hard lessons learned by land-based fire responders, particularly relating to electric vehicles, need to be assimilated.

 

"Once lithium batteries are placed into the intermodal supply chain, there is little opportunity for the cargo to be checked, visually or otherwise to verify compliance," Storrs-Fox said.

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