Contemporary Amperex Technology Co. Ltd. (CATL), the world’s largest battery manufacturer, has announced significant advancements in its second-generation sodium-ion battery technology.
The company reports that these batteries are approaching the energy density levels of lithium iron phosphate (LFP) batteries, which are widely used in various applications, including electric vehicles and energy storage systems.
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In a recent quarterly call with investors, CATL highlighted that the energy density of their latest sodium-ion cells exceeds 200 Wh/kg, a substantial increase from the 160 Wh/kg achieved in the first generation. This improvement brings the performance of sodium-ion batteries closer to that of mainstream LFP batteries, thereby enhancing their competitiveness in the market.
CATL also emphasized the cost advantages of sodium-ion technology, noting that once large-scale adoption is achieved, these batteries will have a certain cost advantage over LFP batteries. This cost-effectiveness is attributed to the abundance of sodium and the reduced reliance on lithium resources.
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Furthermore, the company reported that the new sodium-ion batteries exhibit superior performance in low-temperature environments, maintaining efficient discharge capabilities even at temperatures as low as -40°C. This characteristic makes them particularly suitable for applications in extreme climates.
CATL plans to bring these second-generation sodium-ion batteries to market in 2025, aiming to provide a cost-effective and high-performing alternative to existing battery technologies.
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These developments underscore CATL’s commitment to advancing battery technology and addressing the growing demand for efficient and affordable energy storage solutions.
Source: Gasgoo