Abstract

A polymer electrolyte fuel cell (PEFC) is the clean energy converters, it is developed as a power supply for electric vehicle. In order to raise the power generation efficiency of PEFC, it is important to know the power generation state inside MEA (membrane electrode assembly). In this paper, an measurement method for monitoring the distribution of the power generation current in the MEA of PEFC from static magnetic field around the fuel cell is investigated. The inverse problem analysis of the power generation current distribution in the MEA using 3D finite element method is examined, and the effectiveness of this method is investigated.

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