Stellantis Bolsters EV Push with Investment in Tiamat’s Sodium-Ion Batteries

• Stellantis backs Tiamat’s sodium-ion batteries for cost-effective EVs.
• Sodium-based tech avoids scarce lithium, suits small vehicles.
• Investment supports French factory, aligns with 2038 carbon neutrality goal.

Stellantis, a global automotive company, has reinforced its commitment to the electric vehicle (EV) market by announcing a strategic investment in the French sodium-ion battery startup, Tiamat. The move is aimed at diversifying Stellantis’ portfolio and accelerating the mass production of electric vehicles while mitigating risks associated with scarce resources, particularly lithium.

While the exact amount of Stellantis’ investment remains undisclosed, it is part of an initial fundraising round totaling 150 million euros for Tiamat. The funds will be utilized, in part, for the establishment of a new battery factory in northern France. This facility, the fifth of its kind in the region, is expected to contribute significantly to the electric vehicle supply chain.

Tiamat, originating from France’s state institute for scientific research CNRS in 2017, distinguishes itself by developing batteries without relying on lithium. Instead, the startup utilizes sodium, a more abundant resource. The batteries produced by Tiamat are not only cost-effective but also tailored for smaller vehicles. While they may offer less mileage compared to lithium-based batteries, Tiamat compensates by providing faster charging capacity.

Herve Beuffe, Chief Executive of Tiamat, shared that the new battery factory is projected to have an initial capacity of 0.7 gigawatt-hours by 2026, with plans to scale it up to 5 gigawatt-hours by 2029. This expansion aligns with Stellantis’ ambitious Dare Forward 2030 strategic plan, which aims to achieve carbon neutrality by 2038.

Ned Curic, Director of Engineering and Technology at Stellantis, emphasized the importance of exploring sustainable and affordable battery options using widely available raw materials. This strategic move underscores Stellantis’ dedication to staying at the forefront of the evolving EV landscape and aligning with global sustainability goals.

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