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Materials
In a significant development within the battery manufacturing sector, Samsung SDI has officially commenced production of its innovative 46-series cylindrical batteries. This move marks a pivotal moment for the company, as it positions itself at the forefront of next-generation battery technology, specifically designed for electric vehicles and micro mobility applications.
The new 46-series batteries, with dimensions of 46 millimeters in diameter and 95 millimeters in height, represent a substantial leap in energy storage technology. These batteries are not only larger but also more advanced, featuring high-nickel NCA (Nickel, Cobalt, and Aluminum) cathodes and proprietary Silicon Carbon Nanocomposite (SCN) anodes. These components significantly enhance both energy density and lifespan, offering improved safety characteristics by preventing cell swelling[1][2][3].
The adoption of a tabless design is another standout feature of these batteries. By connecting electrodes directly to current collectors, Samsung SDI has managed to reduce internal resistance by 90%, thereby increasing current output and overall efficiency[1][3]. This innovation ensures that these batteries can provide higher performance and reliability, making them highly desirable for applications requiring high energy density.
Production of the 46-series batteries is undertaken at Samsung SDI's state-of-the-art facility in Cheonan, South Korea. The batteries are then assembled into modules at the company's Vietnam subsidiary. The first shipment of these modules has already been commemorated, with initial supplies destined for an American customer for use in micro mobility applications[1][2][3].
The ability to supply these advanced batteries to overseas customers is a significant milestone for Samsung SDI, marking the company as the first Korean manufacturer to achieve this feat[1][3]. This development is expected to further diversify the company's product portfolio, bolstering its position in the global battery market and enabling it to take on a leadership role in the 46-series segment[1][3].
The market for 46-series batteries is anticipated to experience remarkable growth. According to projections from SNE Research, the global demand is expected to expand from 155 GWh in 2025 to 650 GWh by 2030, with an impressive annual growth rate of 33%[1][3]. This forecast highlights the potential for these batteries to become a cornerstone of electric vehicle (EV) technology as well as other applications in mobility and energy storage.
Samsung SDI's early entry into this market, coupled with its technological advancements and manufacturing capabilities, positions the company favorably to capitalize on this trend. Talks are underway with major electric vehicle manufacturers for future supplies, indicating a potential shift towards widespread
