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Date: 03-jun-2025 | By: Nuztrend Team
In a bold move that could redefine the global battery landscape, China is aggressively investing in sodium-ion battery technology—commonly dubbed as “salt batteries”—as a strategic alternative to lithium-ion batteries. From cost savings to resource security, the reasons behind this shift are both practical and visionary.
Unlike lithium, which is costly and heavily concentrated in a few regions, sodium is abundant and far cheaper. As lithium prices fluctuate and geopolitical supply chains tighten, sodium emerges as an attractive substitute for large-scale battery production.
Sodium-ion batteries have been officially listed in China’s 14th Five-Year Plan, a clear signal that Beijing views this technology as central to its energy strategy. The Ministry of Industry and Information Technology is actively supporting R&D, commercialization, and grid-scale deployment of the tech.
In January 2025, a landmark 10 MWh sodium-ion battery energy storage station was launched in Nanning. The project, expected to scale to 100 MWh, marks China’s first large-scale sodium storage solution aimed at decarbonizing power grids and storing renewable energy efficiently.
Leading the charge is Contemporary Amperex Technology Co. Limited (CATL), the world’s largest EV battery maker. In April, CATL unveiled its second-generation sodium-ion battery under the brand name Naxtra. These batteries offer:
CATL has committed to mass production by December 2025, signaling a turning point for sodium-ion commercialization.
Chinese electric vehicle manufacturers like JAC Motors and JMEV have already begun rolling out sodium-ion-powered vehicles, primarily targeting budget and fleet markets. These early models deliver around 250 km of range—enough for urban commutes and logistics fleets.
Meanwhile, grid-scale applications are gaining traction, especially in regions struggling with lithium affordability or availability. These developments could give China a massive export advantage in both technology and infrastructure deployment.
Sodium-ion batteries do have limitations. Their lower energy density makes them less ideal for high-performance EVs. However, for stationary storage and short-range vehicles, they are more than adequate—and much cheaper. Analysts expect rapid innovation in this space as competition heats up globally.
China’s bet on sodium-ion batteries isn’t just a reaction to raw material costs—it’s a proactive move to control its energy future. By blending policy support, industrial might, and technological innovation, China is not just participating in the next battery race—it’s shaping it.
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