Producer
Faradion Limited (Stellantis)
UK sodium-ion battery pioneer; founded 2011 at Oxford/Sheffield. Acquired by Stellantis (Fiat-Chrysler + PSA merged group) in January 2021 for ~$100M before commercial Na-ion existed. Faradion was one of the world's first Na-ion battery companies. Uses nickel-manganese-titanium layered oxide cathode. Stellantis acquisition was a strategic IP bet to secure Na-ion technology for future EVs that could bypass lithium supply constraints.
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Sodium-Ion Battery Cells
50%Technology Licensing
30%R&D & Partnerships
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Incident2021
Stellantis (the Fiat-Chrysler + PSA merger that created the world's fourth-largest auto group) acquired Faradion in January 2021 for approximately $100 million -- before sodium-ion batteries had reached commercial production anywhere in the world. The acquisition was a pure technology bet: Stellantis was buying IP and talent to secure Na-ion capability for future Fiat, Peugeot, Citroën, Jeep, and Ram vehicles. Stellantis was the first major OEM to acquire a Na-ion startup, effectively acknowledging that next-generation low-cost EVs might not use lithium at all. The bet preceded commercial Na-ion production by two years.
Stellantis ↗Origin2021
Faradion Limited, founded in Sheffield in 2011 and acquired by Reliance Industries (Mukesh Ambani's Indian conglomerate, one of the world's top 100 companies by market capitalization) in January 2022 for approximately $100 million, represents the convergence of three industrial policy ambitions: the UK's attempt to retain sodium-ion intellectual property developed through public research funding; India's attempt to enter battery manufacturing through a chemistry that sidesteps lithium supply chain dependence (China controls much of lithium processing, and India has limited lithium reserves); and Reliance's New Energy business transformation from a petrochemical conglomerate into a clean energy giant. Reliance committed to building a 5 GWh sodium-ion battery gigafactory in India using Faradion's technology, which would be India's first significant domestic battery cell manufacturing capacity. Faradion's sodium-ion technology uses layered oxide cathode materials — a different approach from CATL's Prussian blue analog chemistry — which the company claims offers better performance characteristics for stationary storage applications. The acquisition created a UK technology to India manufacturing pipeline in a battery chemistry specifically chosen because it does not require lithium (dominated by the South American "lithium triangle") or cobalt (dominated by the Democratic Republic of Congo) — making it a deliberate supply chain diversification strategy at the sovereign level.
Faradion Limited ↗