Abstract #1539

About the MRI compatibility of fuel cells as the power source for PET detectors

Nicolas Gross-Weege¹, Thomas Dey¹, Bjoern Weissler¹, Teresa Nolte^1,2, Johannes Ramler³, Martin Müller⁴, Detlef Stolten^3,4, and Volkmar Schulz¹

¹Department of Physics of Molecular Imaging Systems, Institute for Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany, ²Philips Research Europe, Eindhoven, Netherlands, ³Chair for Fuel Cells, RWTH Aachen University, Aachen, Germany, ⁴Institute of Energy and Climate Research, IEK-3: Electrochemical Process Engineering, Forschungszentrum Jülich GmbH, Jülich, Germany

Since MRI is very sensitive regarding electromagnetic disturbances, the integration of a Positron Emission Tomography (PET) detector into in an MRI system is a sophisticated task. The power supply and cabling of the PET detectors are the main sources of electromagnetic interferences with the MRI. Therefore, we propose to power the PET detectors with a proton-exchange membrane fuel cell (PEMFC). To prove the feasibility of the concept, we evaluated the MRI compatibility of the PEMFC. The PEMFC was able to power PET detectors and only a minor influence of the PEMFC on the B0 homogeneity and noise level was measured.

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