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TU Delft Impact Contest
IonVe - Electrochemical Reactors
Electrochemical energy systems, especially redox-flow batteries for stationary energy storage and electrolyzers, face a scalability bottleneck driven by complex, costly, and poorly optimized reactor (stack) architectures. Despite major investment and advances in chemistry, many designs remain direct scale-ups of laboratory hardware, relying on graphite/metal parts and multi-component assemblies that constrain design freedom, increase cost, and hinder manufacturability and rapid iteration. As a result, performance and reliability fall short of their true potential, delaying industrial adoption and large-scale deployment of energy-storage and conversion technologies.
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CellaCure Technologies
Up to 400,000 adverse surgical outcomes are entirely preventable every year. Currently, 25% to 50% of malpractice cases stem from surgical errors, largely because surgeons must train on rigid, unrealistic plastics. Hospitals want to translate patient MRI scans into realistic soft-tissue phantoms, but current methods fail them. Traditional phantom labs rely on manual molding and casting, which is incredibly slow, unreliable, and cannot produce patient-specific anatomies. Meanwhile, commercial 3D printers cannot process complex medical hydrogels, forcing researchers into a 6-to-8-month "DIY" hardware nightmare that wastes up to €20,000 per project. This massive bottleneck drains budgets and keeps life-saving training tools out of the operating room, leaving surgeons underprepared and patients at risk.
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Buoyant Industries
Current air and ground freight systems use fossil fuels that create a lot of greenhouse gases and are expensive. Planes and trucks burn fuel quickly and can’t fly long distances without refueling. This makes transporting heavy cargo over long distances costly and bad for the climate, and current electric systems still struggle to match the range needed for large freight.
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