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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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Eleqit
Electric bikes are becoming increasingly popular, but they still have several major barriers: High cost – Many electric bikes are too expensive for students, young adults, and people on a budget. Limited customization – Users cannot easily customize their e-bike to match their needs or preferences. Complex assembly – Converting or assembling an electric bike yourself can be difficult without the right system or guidance. Battery concerns – Users worry about battery life, performance, and reliability. Security risks – Bike theft is common, and many bikes lack integrated GPS tracking systems. Lack of integration with smartphones – Many bikes do not offer a simple mobile app to track location, battery life, or performance. These barriers prevent many people from accessing sustainable electric transportation.
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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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E2 Engine
Heavy duty vehicles being only 4% of the transportation market contribute to more than 25% of the global emissions. With existing solutions for light vehicles not applicable for the heavy duty market, a new architecture is needed to meet zero emission targets without compromising operational demands. But achieving zero emission targets isn’t a day’s work, and therefore needs a solution that can adhere to the future changes and challenges to the advances in the types fuels. Hydrogen today. Synthetic fuels tomorrow and the industry can’t afford to reinvent propulsion everytime.
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Windsight
Offshore wind turbines are critical to Europe's energy transition, yet blade maintenance remains one of the industry's most costly and dangerous challenges. O&M costs represent 30% of a turbine's total lifetime expenses. Current inspection regimes are either periodic (conducted regardless of actual asset condition) or reactive, responding only after damage escalates. Sensor data and drone inspection data exist isolated, neither informing the other. The result: unnecessary vessel deployments, missed early-stage damage, unplanned downtime, and avoidable emissions from offshore crew transfers. The industry lacks a diagnostic intelligence layer to tell operators precisely when and where to act.
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