DTU Advances 3D Printed Monolithic Fuel Cells with Lithoz Technology
DTU researchers have created monolithic solid oxide fuel cells with gyroid geometries, achieving power-to-weight ratios of approximately 1 W g⁻¹, significantly outperforming traditional designs which average 0.2 W g⁻¹. This innovation may transform hydrogen-powered transportation by reducing weight and improving efficiency.
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Researchers at the Technical University of Denmark (DTU) developed monolithic solid oxide fuel cells (SOFCs) using 8 mol% yttria-stabilized zirconia, achieving power-to-weight ratios of around 1 W g⁻¹. This novel design, featuring gyroid architectures, is about five times more effective than conventional planar SOFCs.
The project utilized Lithoz's CeraFab technology to create a lighter ceramic structure, eliminating the need for interconnects and sealants, thereby enhancing thermal and mechanical stability. The DTU Energy team plans to scale this technology for industrial applications, potentially reshaping hydrogen engine designs for various transportation modes. The advancement signifies a shift in SOFC architecture from flat to complex forms, indicating a trend towards lightweight and efficient fuel cell systems.
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