Thyssenkrupp Marine Systems has been researching the development of its own lithium-ion battery system since 2015. The company’s first battery will now be installed in an existing Type 212A submarine of the German Navy.
Lithium-ion batteries are considered the most modern mode of energy storage. Compared to conventional battery technologies, they offer significant advantages – in the area of submarine batteries, for example, major increases in performance and operational improvements to the boat.
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Entering the market
COO Dr. Dirk Steinbrink: ‘Thyssenkrupp Marine Systems is now entering the market with a key technology – namely the most efficient way to store energy. We are thus taking on a pioneering role among the shipyards in Europe and, at the same time, equipping our submarines with multiple operational advantages.’
The completion of the development project of the lithium-ion battery in September 2023 ensured that the technology can be installed on board submarines in a low-risk manner to increase performance.
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Demonstrating technology and performance
On July 26, 2024, the sales phase with the Federal Office of Equipment, Information Technology and In-Service Support of the Bundeswehr (BAAINBw) and the German Navy was completed: on that day, the contract for the delivery of the lithium-ion partial battery became effective.
The partial battery is now to be installed in an existing HDW Type 212A submarine of the German Navy to demonstrate the technology and performance advantages. The first integration of the battery, and thus also the technology demonstration, is scheduled for early 2028.
With the proven integration and testing in the submarine, TKMS will receive the so-called “Parent Navy Approval”, which can be used as a risk-mitigating measure for further existing and future projects.
From longer lifespan to reduced snorkelling
The advantages of the lithium-ion battery system are considerable in the operational spectrum. Compared to the well-known lead-acid batteries, the new lithium-ion technology offers twice the lifespan, significantly higher battery capacities, greater ranges at maximum speed and reduced snorkelling rates. This way, TKMS is setting new standards in the energy supply of its submarines.
Picture: The HDW Type 212A submarine of the German Navy (photo TKMS).
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