MERSEN France SB

Paris, April 23, 2026 – Mersen (Euronext FR0000039620 – MRN), a global expert in electrical power and advanced materials, today announced the signing of a multi‑million‑euro contract with Vulcan Energy to supply an Eco&FLEX® unit for the Lionheart Project, Europe’s first fully integrated commercial lithium and renewable‑energy initiative.

The unit will be installed at Vulcan Energy’s industrial site in Frankfurt, Germany, where it will support the conversion of lithium chloride into lithium hydroxide, an essential material for electric‑vehicle battery manufacturing. It will also enable the recovery and reuse of the chlorine generated during the process, as well as the energy released, thereby enhancing the facility’s overall environmental performance. 

Mersen was selected for its unique expertise combining high‑quality isostatic graphite with its proprietary carbon impregnation technology enabling the achievement of an ultra-high-purity hydrochloric acid – essential in the production of battery‑grade lithium for electric vehicles.

This contract strengthens Mersen’s positioning in markets related to the energy transition. It highlights the Group’s ability to deploy its technologies in the most innovative and demanding industrial projects. With our Eco&FLEX® technology and our unmatched expertise in isostatic graphite and carbon impregnation, we are contributing to sustainable lithium that meets the highest purity standards for the battery market.

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