Kees Koolen, the former CEO of Booking.com, an early investor in Uber and several other successful tech companies is in the news again. The owner of clean energy conglomerate, Koolen Industries has made a multi-million investment in a Dutch electricity storage company Elestor BV.
Revolutionary hydrogen bromine flow battery
After years of research and development, Arnhem-based Elestor is at the verge of introducing its revolutionary hydrogen bromine flow battery to the market. This technology is the next step in low-cost electricity storage at scale. In addition, EIT InnoEnergy, early day investor of Elestor, has also co-invested in this round and increased their invested capital considerably.