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Abstract #1539

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

Nicolas Gross-Weege1, Thomas Dey1, Bjoern Weissler1, Teresa Nolte1,2, Johannes Ramler3, Martin Müller4, Detlef Stolten3,4, 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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