Mantle8 secures 2.06M EU grant to scale natural hydrogen tech

"Mantle8 has secured a second source of capital to advance its work, this time from the European Union. The Grenoble-based natural hydrogen exploration company has been awarded €2.06 million from the EU's Just Transition Fund, channelled through the FEDER/FSE+/JTF 2021-2027 regional programme managed by the Auvergne-Rhône-Alpes region. The grant is non-dilutive, meaning no equity changes hands."

"Mantle8's technology platform is built around four proprietary systems. GeoLogix® is the company's prospect generation algorithm, which scans geological data to identify locations where the conditions for natural hydrogen production, the right source rocks, active generation zones, and viable reservoir structures, are all present."

"HOREX® is the company's multiphysics imaging system, which places passive seismic sensors across a field site to reconstruct a four-dimensional view of the entire hydrogen-generating system underground. APoGeH® handles quantification, using liquid, gas and rock samples to evaluate the volume and composition of hydrogen a given system could yield."

Mantle8, a Grenoble-based deep-tech startup focused on natural hydrogen exploration, has received €2.06 million in non-dilutive funding from the EU's Just Transition Fund through the Auvergne-Rhône-Alpes regional programme. This grant, awarded fourteen months after the company's €3.4 million seed round from Breakthrough Energy Ventures and Kiko Ventures, supports a broader €4.84 million research and development programme extending through 2028. The funding brings total capitalization to approximately €5.46 million. All activities remain anchored in Grenoble and the surrounding region, leveraging established geoscience expertise. The grant enables industrialization of Mantle8's proprietary four-component technology platform comprising GeoLogix prospect generation, HOREX multiphysics imaging, APoGeH quantification systems, and Simul8 digital twin modelling.

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