Abstract
A PEFC (polymer electrolyte fuel cell) is expected to be used as a new power supply since the power generation at high speed and low temperature is possible. In order to develop the high efficient fuel cell, it is necessary to measure the generated current inside the MEA (membrane electrode assembly) in the fuel cell. There is a possibility that the generated current distribution inside the MEA can be obtained using the distribution of the static magnetic field around the fuel cell. In this paper, it is shown that the distribution of the power generation current inside MEA can be presumed by the inverse problem analysis using the Ampere's law. And the presumed accuracy of the current distribution in MEA is increased by using the distribution of magnetic field around the fuel cell on more total power generation current.
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