Lithium-ion battery systems offer the marine industry an unparalleled balance between energy and power density, and remain a leading candidate to assist in the reduction of emissions onboard marine vessels. The term lithiumion is a generic, umbrella term referring to a diverse family of specific electrode combinations, or chemistries. Each lithium-ion chemistry is characterized by its own unique set of advantages such as energy density, power density, charge rates, cycle life, and electrode stability. There is no one lithium chemistry that fits every marine application, as there are always engineering tradeoffs to consider. It is especially important that the battery specifications of the application are clearly understood so the optimal chemistry can be presented. This paper will focus on nickel manganese cobalt, lithium titanate oxide, and lithium iron phosphate chemistries, and their advantages, limitations, and possible applications in the marine industry will also be discussed.

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