Swedish battery manufacturer Northvolt developed the first sodium battery cells. According to the manufacturer, these batteries have a capacity of “more than” 160 Watt-hours per kilogram, and should be safer, more cost-effective and more durable than other battery types, such as lithium-ion batteries.
Northvolt confirms The company has validated its sodium battery at its R&D campus in Sweden. According to the manufacturer, a validated cell is safer, cost-effective and more durable than, for example, NMC or LFP batteries. Batteries are produced using iron and sodium for example, sodium in English. Therefore, sodium batteries are free of raw materials such as lithium, nickel, cobalt and graphite. Northvolt mentioned a density of 160Wh/kg in its press release, but said nothing concrete about the life of the battery cells.
Northvolt claims that the first generation of Northvolt sodium batteries are intended primarily for energy storage due to their low costs and safety at high temperatures. Future generations should provide higher energy density and thus also be suitable for use in “electric mobility products”. The batteries will be in addition to existing lithium-ion batteries for cars… Lithium metal batteries Which the company is developing for aviation and other vehicles.
Tweakers previously wrote a background story on sodium batteries. The production of this type of battery should be cheaper and more environmentally friendly. The raw materials required are also more abundant than, for example, lithium. Chinese company CATL previously provided a sodium battery.
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