Sodium-ion batteries are emerging as a viable alternative to lithium-ion technology, with potential applications in electric vehicles and grid-scale energy storage. The shift is driven by the limited supply and fluctuating prices of lithium, prompting the industry to explore more readily available materials, according to MIT Technology Review.

Sodium-ion batteries function similarly to their lithium-ion counterparts, storing and releasing energy through the movement of ions between electrodes. However, sodium is significantly more abundant and cheaper than lithium, which is mined in only a few countries. Caiwei Chen, a China tech writer based in the US, noted the growing interest in sodium-ion technology among Chinese companies.

The technology's rise comes as Chinese tech companies express increasing optimism about their future in the global market. Chen observed a surge in travel plans to CES among her contacts in China, indicating a strong desire to showcase their latest innovations.

Sodium-ion batteries are considered one of MIT Technology Review's 10 Breakthrough Technologies this year, highlighting their potential to reshape the energy landscape. While lithium-ion batteries have dominated the market for powering devices like phones, laptops, and electric vehicles, the accessibility and cost-effectiveness of sodium could lead to its widespread adoption in the energy sector. The development and deployment of sodium-ion batteries could reduce reliance on lithium and stabilize battery production costs.