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BYD Unveils Lithium-Free Sodium-Ion Battery, Pioneering the Future of Sustainable EVs

BYD has made a major breakthrough in electric vehicle (EV) innovation with the launch of its lithium-free sodium-ion battery—a move that could reshape the future of clean transportation. By eliminating lithium, a critical mineral with rising costs and complex geopolitical dynamics, BYD’s new battery technology offers a sustainable, scalable alternative for EV manufacturing and energy storage.

The sodium-ion battery features competitive energy density in the range of 160–180 Wh/kg, ensuring it remains viable for mainstream EV use. It also boasts faster charging, exceptional thermal stability, and reliable performance in cold climates—traits that make it well-suited for a global rollout, including in regions with extreme weather conditions.

From a sustainability perspective, sodium is abundant and easier to source, drastically lowering the environmental and ethical concerns linked to lithium mining. This development opens the door to more affordable EVs and a diversified battery supply chain.

With commercial production planned in the near future, BYD is reinforcing its role not only as a dominant EV manufacturer but also as a clean technology innovator. This advancement could accelerate global EV adoption and promote broader access to green mobility solutions across developed and emerging markets alike.