Battolyser Systems

Energy · Schiedam, NL

Developer of an electrolyser with integrated battery functionality for green hydrogen.

Founders

Mattijs Slee (Netherlands · ♂) — A hydraulic engineer with 15 years at Shell leading hydrogen ventures and investments, he joined the TU Delft spin-out Battolyser Systems as first employee and CEO to commercialize its combined battery-electrolyser for cheap green hydrogen.
Fokko Mulder (NL · ♂) — A TU Delft professor whose research group invented the battery-electrolyser, he co-founded Battolyser Systems in 2018 to spin the technology out of the university for green hydrogen and storage.
Kees Koolen (NL · ♂) — A serial entrepreneur and investor (former Booking.com CEO and Uber COO) who backed the TU Delft spin-out through Koolen Industries, he co-founded Battolyser Systems in 2018 to commercialize integrated battery-electrolyser technology.

Date	Round	Amount
Sep 2024	Series A Battolyser Systems, a Schiedam green-hydrogen electrolyser firm, raised a EUR30M Series A from Invest-NL, Global Cleantech Capital and Innovation Industries.	$32.4M
Oct 2023	Debt Dutch climate scale-up Battolyser Systems signed a EUR40M financing agreement with the European Investment Bank to scale its battery-electrolyser.	$43M

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