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The most commonly used starter batteries for ship engine rooms are lead acid systems. Lead acid batters have the lowest electrochemical parameters from all other modern electrochemical systems. On the other hand their biggest advantage is the price of the cell which is much lower comparing to other electrochemical systems. Due to fact that the lithium – ion batteries are very widely used and constantly developed this technology is starting to be promising as an alternative for lead acid batteries for starter applications. Because of this there is a need to verify if the lithium - ion technology can be used for start-up and power backup systems and how will it affect the construction of the engine room and those systems. In order to determine the potential energetic requirements during the design of starter systems in an backup engine room with the use of lithium – ion batteries, in the article the analytic of their performance was conducted with comparison of other electrochemical systems.

The paper presents issues related to the operational safety of lithium-based batteries on vessels. In the first part of the paper the regulations of the Polish Register of Shipping (PRS), regarding the requirements for the batteries on a vessel are analysed. The next section presents the risks related to the use of lithium-based electric energy storage technology. The last part discusses the principles to be adopted during operation of lithium batteries to minimize the risk of threats.

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