Finnish Granarium raises funding to move biobased supercapacitor technology toward industrial pilots

Helsinki-based deeptech startup Granarium Technologies has raised over €1 million in a pre-seed round led by BSV Ventures, with participation from Beamline as well as angel investors from FiBAN, EstBAN, and LatBAN. Originating as a technology transfer from VTT, the company is commercialising a nanocellulose-based, fully renewable supercapacitor platform designed for fast-response energy storage in grid stability and industrial power quality applications. Granarium will use the funding to industrialise its patented biocarbon-based energy storage technology, scale pilot production, and deploy initial systems with early industrial customers within the next six months, ahead of small-scale manufacturing of up to 50 units per year. Positioned...

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