Samsung SDI said on the 23rd that it will jointly develop next-generation electric-vehicle battery pack technology with Korea-based automaker KG Mobility (hereafter KGM).

To that end, the companies signed a memorandum of understanding (MOU) for the development and commercialization of next-generation electric-vehicle battery packs at KG Tower in Jung-gu, Seoul.

At KG Tower on the 22nd, Vice President Choi Ik-gyu, head of the Small Battery Division at Samsung SDI (third from left), and President Kwak Jeong-hyeon, head of Business Strategy at KGM (second from left), pose for a commemorative photo during the signing ceremony for a business agreement on developing and commercializing next-generation EV battery packs./Courtesy of Samsung SDI

Under the agreement, the two companies will jointly develop pack technology using Samsung SDI's 46-mm cylindrical battery cells and will also carry out technology and business exchanges for next-generation battery pack development.

The battery packs under development are expected to be installed in KGM's next-generation electric vehicles to be produced in the future. In the mid to long term, the companies also agreed to build a strategic partnership through mutual cooperation, including establishing strategies for the global battery market, related information exchange, and joint research and development (R&D).

The core of this collaboration, Samsung SDI's 46-mm cylindrical battery, can deliver both long driving range and fast charging speed based on high energy density. With improved safety and durability, it can provide stable performance in various driving environments.

In particular, by applying high-capacity high-nickel NCA (nickel, cobalt and aluminum oxide) cathode material and SCN (silicon carbon nanocomposite), a patented anode material, the battery significantly reduces swelling while greatly extending lifespan.

By adopting a tabless structure that lowers internal resistance and optimizes current flow, the companies enhanced high-power output and fast-charging performance, and they also secured safety and quality reliability through improvements in heat-diffusion structure and the advancement of manufacturing processes.

Samsung SDI said it expects the MOU with KGM to once again verify the superior performance and quality of its 46-mm cylindrical batteries and to expand the sales base of its battery business going forward.

A Samsung SDI official said, "This MOU is meaningful in that the differentiated technological competitiveness of the 46-mm cylindrical battery has once again been recognized in the domestic and overseas EV markets," adding, "We will further strengthen our technology leadership in the next-generation global battery industry."

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