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C4iSR: Maritime

Euronaval 2018: TKMS pushes ahead lithium-ion submarine battery

27 October 2018
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ThyssenKrupp Marine Systems (TKMS) is nearing completion of its effort to adapt a commercially available lithium-ion battery cell for submarine use, the company told Jane’s at the Euronaval 2018 naval exhibition in Paris.

A propagation test carried out by partner SAFT verified the inherent safety of the chosen lithium iron phosphate (LiFePO4) battery chemistry, which has comparatively lower energy density than other lithium-ion technologies but benefits from a lower risk of thermal runaway.

TKMS and SAFT aim to have their battery tested and certified by TÜV Rheinland in Germany in the near future, and testing of a battery string representative of how the batteries would be arranged in the submarine application is also to be tested at TKMS’ Kiel facility in 2019.

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