SufroN




Sulfur at Scale: A By‑Product Ready for Circular Reuse
SufroN is a deeptech startup developing a new generation of room‑temperature sodium–sulfur batteries. We combine abundant elements with circular‑economy carbon to unlock safe, scalable, and cost‑effective energy storage.
Room‑temperature sodium–sulfur batteries.
We design and optimize RT‑Na/S cells that operate safely at ambient conditions, avoiding the complexity and risks of high‑temperature systems.
Abundant, circular‑economy inputs
Our chemistry is built on widely available sodium and sulfur, enhanced with carbon derived from local biomass residues.
Licensing‑first industrial deployment
We develop the core technology and license it to industrial partners, enabling rapid, capital‑efficient scale‑up.
For Partners
We collaborate with industrial groups, research labs, and regional ecosystems to scale room‑temperature sodium–sulfur technology.
→ Contact us to explore licensing or joint development.
Why Now
Strategic Need for Alternatives
Europe and other regions are seeking complementary chemistries to strengthen energy sovereignty.
Abundant Sodium & Sulfur
These elements are globally available, low‑cost, and already handled at industrial scale.
Lithium Supply Constraints
Global demand for lithium‑ion batteries is creating material bottlenecks and cost volatility.
Circular‑Economy Opportunity
By integrating biomass‑derived carbon, SufroN connects energy storage with local circular‑economy value chains.
Our cells use sodium as the anode and sulfur‑based composites as the cathode, engineered to operate safely at room temperature.
Circular Carbon Materials
We convert local agricultural residues into high‑performance carbon materials that enhance electrode performance.
Safety & Sustainability
Our approach avoids critical raw materials and targets safer, more sustainable energy storage.
Applications
Designed for stationary and industrial storage, where cost, safety, and lifetime matter most. This chemistry is optimized for long‑duration, safe, cost‑stable storage — ideal for grids, industry, and renewable integration.
Room‑Temperature Sodium–Sulfur Chemistry
From Lavender Fields to Battery Materials
We transform local agricultural residues into high‑value carbon materials, creating a unique circular‑economy pathway.
Step 1 — Lavender to Perfume
Lavender is cultivated and distilled to produce essential oils.
Step 2 — Residual Biomass
Stems, leaves, and spent flowers remain after extraction.
Step 3 — Carbonization
We convert this biomass into functional carbon materials through controlled thermal processes.
Step 4 — Battery Integration
These carbons are integrated into our sodium–sulfur electrodes, turning local waste into strategic energy‑storage materials.
0–12 Months — Foundation
Pre‑incorporation, lab setup, first RT‑Na/S prototypes, baseline performance.
12–24 Months — Validation
Performance optimization, demonstrator cells, IP consolidation, and early industrial discussions.
24–36 Months — Pilot & Partnerships
Pilot‑scale validation, adaptation to partner manufacturing lines, licensing framework.
36+ Months — Scale Through Licensing
Multi‑partner industrial deployment aligned with European sovereignty goals.
Roadmap
Sajad Rahimi — Founder & CTO
Sajad brings deep expertise in advanced battery materials, techno‑economic modeling, and industrial strategy. He leads SufroN’s vision, technology roadmap, and partnerships.
Building the Founding Team
We are assembling a core team of scientists, engineers, and operators to accelerate development.
Team
Regional Innovation
Based in the Provence–Alpes–Côte d’Azur region, we are connected to a dynamic innovation ecosystem.
Research Collaboration
We collaborate with academic and applied research labs on materials, electrochemistry, and scale‑up.
Industrial Partners
Our licensing‑first model is designed to integrate with existing industrial infrastructure.
Ecosystem & Partnerships
We welcome discussions with industrial partners, investors, researchers, and ecosystem stakeholders.
Partnerships & Licensing
For industrial collaborations and joint development.
Investment & Funding
For investors supporting deeptech and circular‑economy innovation.
General Inquiries
For any other questions or media requests.
Contact
What we do?
Technology in 30 Seconds
Sodium and sulfur are abundant and low‑cost.
Our formulation enables room‑temperature operation.
This unlocks safe, scalable, circular energy storage.
L’énergie made in Provence, pour aller toujours plus loin.