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Natrium Capital advises Syensqo SA on its investment in Argylium, a new company dedicated to All-Solid-State Battery technology launched together with Axens SA

8 Jan 2026

Natrium Capital News

Natrium Capital Limited is delighted to announce it has acted as the sole financial advisor to Syensqo SA (“Syensqo”) on its investment in Argylium, a new company dedicated to developing and scaling-up commercial demonstration of advanced materials for solid-state batteries in Europe. Argylium will play a leading role in unlocking Europe’s innovation in the creation and production of the next generation of batteries. 

Argylium will focus on accelerating the industrialisation of next-generation Sulfide Solid Electrolyte materials to the next-generation All-Solid-State Batteries (“ASSB”). The replacement of liquid electrolytes with solid materials offers improved safety, higher energy density, and the potential for fast charging for applications ranging from electric vehicles to energy storage systems. 

Read the press release from Syensqo.

Read the press release from Axens.

About Syensqo

Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates in 30 countries.

Syensqo’s solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and healthcare applications. Syensqo’s innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.

About Argylium

Based in France, Argylium is the most advanced company in Europe in the research, development and industrialization of Sulfides Solid Electrolytes. By joining the forces of 3 pioneering industrial players, Argylium helps to accelerate the transition toward next-generation energy solutions. With Syensqo’s All-Solid-State Batteries Team, Axens’ deep expertise in inorganic chemistry and industrial process scale-up, and IFPEN’s renowned know-how in materials science, Argylium commits to leading the design and industrial production of high-performance Sulfide Solid Electrolytes for All Solid State Battery markets.
With over 10 years of experience in this field, a world-class R&D team and unique large assets, Argylium is the privileged partner that supports industries in the design of tomorrow’s breakthrough innovations.

About Natrium Capital

Natrium Capital is a leading independent Mergers and Acquisitions (M&A) advisory firm specialising in providing strategic and transaction execution advice and transaction services focused on the chemical industry, covering, amongst others, the sectors:  chemicals – including fine chemicals and specialty chemicals – engineering and electronic materials, chemical distribution, adhesives, paints, inks & coatings, biotechnology and sustainable technologies (cleantech).

Headquartered in London (UK), Natrium Capital advises on both sell-side and buy-side transactions, including carve-outs and complex global cross-border deals. The team has advised on transactions with a combined value of over $100bn.

Find more information at www.natriumcapital.com.

“… over $100bn of transactions over the last twenty years”