Sodium-ion batteries are poised to transform the electric vehicle industry, and CATL is leading the charge. At its Tech Day on April 21, 2025, in Shanghai, CATL introduced ‘Naxtra,’ the world’s first mass-produced Sodium-ion Battery. This innovation marks a significant shift in battery technology, offering cost-effective and sustainable alternatives to lithium.
Sodium Over Lithium: A Game Changer
CATL’s sodium-ion batteries replace lithium with sodium, a readily available and cost-efficient element found in salt. Sodium resources are abundant, paving the way for reduced reliance on scarce lithium. “Thanks to abundant sodium reserves, we can significantly lower dependency on lithium,” said Gao Huan, CTO at CATL. According to CEO Robin Zeng, sodium-ion batteries could capture up to 50% of the LFP battery market, with their costs continuing to decline.
Exceptional Performance in Extreme Conditions
Naxtra batteries excel in cold weather, maintaining 90% energy delivery even at -40°C (-104°F). Their robust performance in extreme temperatures sets them apart. Additionally, rigorous safety tests, including drilling and nail penetration, confirmed the batteries’ stability. “They are non-flammable and non-explosive,” reaffirmed Gao Huan.
Innovative Production Timeline
Mass production of sodium-ion batteries will commence in two stages. In June 2025, CATL will roll out 24V sodium-ion batteries for commercial vehicles. By December 2025, these batteries will be available for passenger cars, further advancing the adoption of sustainable battery technology.
Advances in LFP Technology
CATL is also enhancing its Lithium-ion battery technology. The second generation of its Shenxing super-fast charging battery boasts higher energy density and significantly reduced charging times. This advancement enables EVs to achieve 520 kilometers (323 miles) of range with just five minutes of charging. Even in cold weather (-10°C/50°F), the battery can charge from 5% to 80% within 15 minutes.
Introducing the Freevoy Dual-Power Battery
Another notable innovation is CATL’s Freevoy Dual-Power Battery, featuring two energy zones with separate cell chemistries. The first zone optimizes performance for urban traffic, while the second, advanced by CATL’s “self-forming anode” technology, is tailored for long-distance travel. This intelligent system adjusts dynamically to driving conditions and achieves peak ranges of over 1,500 kilometers (932 miles). Freevoy’s versatility extends beyond passenger cars; it can power commercial vehicles, ships, and even aircraft.
CATL’s Vision for Sustainable Mobility
Through innovations like Naxtra and Freevoy, CATL aims to make Electric Vehicles more accessible, efficient, and environmentally friendly. These advancements highlight the company’s commitment to reshaping the electromobility landscape. CATL’s efforts not only secure its position as a leader in battery technology but also lay the groundwork for a more sustainable future in energy storage and mobility.
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