Arkema acquires a stake in Tiamat and accelerates in next generation batteries

12 January 2024

Arkema has become a shareholder of the start-up Tiamat, spun off from the CNRS (Centre National de la Recherche Scientifique) in 2017 and a pioneer in sodium-ion battery technology. This investment will enable the Group to accelerate the development of technical solutions adapted to these batteries, which do not use lithium.

The Group is once again demonstrating its willingness to be a key player in battery materials, offering a unique range of products adapted to all energy storage technologies.

Since 2017, the start-up Tiamat has been designing, developing, industrialising and marketing sodium-ion batteries, a new lithium-free technology enabling in particular to avoid the constraints associated with the supply of this metal.

Alongside strategic investors such as Stellantis Ventures and MBDA, Arkema contributed to Tiamat’s recent €22M fund-raising. Thanks to these funds and with the support of the French government and the European Union, Tiamat is aiming to build a 5 GWh Giga-factory in France, entirely dedicated to the production of sodium-ion battery cells. An initial tranche of 0.7 GWh could be operational by the end of 2025 and 1000 jobs could eventually be created.

Armand Ajdari, CTO of Arkema, said: “Our portfolio of advanced materials enables us to provide solutions for all our customers’ battery technologies. The sodium-ion technology developed by Tiamat is very interesting, as it will enable to do away with the dependence to lithium and several strategic metals. This operation enriches our ecosystem, and is perfectly in line with Arkema’s strategy: innovative materials for a sustainable world.”

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