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Tiamat: Sovereign Sodium-Ion Battery Technology for European Strategic Autonomy

What is the central argument of “Tiamat”, and why does it matter for European defence and dual-use markets?

Tiamat: Sovereign Sodium-Ion Battery Technology for European Strategic Autonomy: Tiamat is a French deep-tech startup. Defence-finance analysis; 11-page source…

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Original DFM publication · DFM Analysis report · 2025-12-19

Tiamat is a French deep-tech startup specializing in high-power sodium-ion batteries capable of ultra-fast charging. Born as a CNRS spin-off in 2017, the company’s core proposition is to deliver cost-competitive energy storage without relying on lithium, cobalt or nickel.

By exploiting abundantly available sodium materials, Tiamat promises a “sovereign independent supply chain” for batteries . This positions Tiamat at the intersection of Europe’s energy and defence priorities: its batteries can power heavy-duty vehicles, drones and grid infrastructure with high charge/discharge rates, while mitigating dependencies on foreign mineral supply.

This analysis answers: What is the central argument of “Tiamat”, and why does it matter for European defence and dual-use markets? What is its corporate identity, ownership and legal structure? What is its strategic business profile and market positioning? What does this mean for European defence funding, procurement and investment decisions?

Key takeaways

  • By exploiting abundantly available sodium materials, Tiamat promises a “sovereign independent supply chain” for batteries .

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Original DFM analysis

Tiamat: Sovereign Sodium-Ion Battery Technology for European Strategic Autonomy

Type DFM Analysis report
Published 2025-12-19
Access free_public

The publication details above identify the source used for this public thread.

FAQ

What is Tiamat: Sovereign Sodium-Ion Battery Technology for European Strategic Autonomy?

Born as a CNRS spin-off in 2017, the company’s core proposition is to deliver cost-competitive energy storage without relying on lithium, cobalt or nickel.

Why does Tiamat: Sovereign Sodium-Ion Battery Technology for European Strategic Autonomy matter for European defence?

This positions Tiamat at the intersection of Europe’s energy and defence priorities: its batteries can power heavy-duty vehicles, drones and grid infrastructure with high charge/discharge rates…

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