The object
Johan Martens co-invented a reactor that produces green hydrogen from sunlight and air. The energy hardware combines capture and conversion functions in a compact route to renewable fuel; European Inventor Award recognition documents its potential to broaden low-carbon hydrogen production.
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What Johan did
Co-invented a device that produces green hydrogen from sunlight and air.
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Why it matters
European Inventor Award recognition identifies the reactor as a green-hydrogen hardware advance.
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Living-status check
KU Leuven’s research profile lists Martens as promoter of a hydrogen project running 2025–28 and as author of 2025 research outputs.