the future of hydrogen
starts with silica

HydroSil is a breakthrough liquid carrier that enables energy-free hydrogen release while producing high-performance, low-carbon silica.

50% less

CO2 emissions

over 70

owned patients

up to 7x

H2 density

HSL Technologies is a deeptech company based in Aix-en-Provence, with a clear environmental impact: transforming hydrogen and silica markets with its breakthrough HydroSil technology.

This safe, scalable liquid carrier enables carbon-free hydrogen transport and storage using existing infrastructure.

By combining low-carbon silica production with decentralized hydrogen solutions, HSL empowers industrial clients to decarbonize efficiently and sustainably.

Together, we are transforming energy systems, turning today’s challenges into tomorrow’s opportunities.

our investors

latest news

Discover the most recent updates, groundbreaking innovations, and expert insights from the ever-evolving world of technology and beyond. In addition, our dedicated news section ensures you’re always informed about the key developments at HSL. Whether it’s industry trends, strategic shifts, or emerging tools, we keep you in the loop, so that, ultimately, you stay one step ahead.