Harju Elekter helped graphene ultracapacitor developer Skeleton Technologies complete a $48.3m round yesterday that included existing investor Harju Elekter.

Estonia-based ultracapacitor developer Skeleton Technologies closed a €41.3m ($48.3m) series D round yesterday that included electrical equipment producer Harju Elekter.

EIT InnoEnergy, the sustainability-focused fund backed by the European Institute of Innovation and Technology, also took part in the round, as did venture capital firm FirstFloor Capital, investment firm MM Grupp and undisclosed private investors.

Founded in 2009, Skeleton produces ultracapacitor cells, modules and systems that make use of ‘curved graphene’ technology, for use in energy storage. Its technology is…

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Robert Lavine

Robert Lavine is special features editor for Global Venturing.
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