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Numerical study on the formability of metallic bipolar plates for Proton Exchange Membrane (PEM) fuel cells

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Figure

Figure 1. Schematic representation of a proton exchange membrane fuel cell composed by the bipolar  plates (BPPs) and the membrane electrode assembly (not to scale)
Figure 2. Scheme of typical flow field configurations: (a) straight parallel; (b) interdigitated; (c) pin- pin-type; (d) spiral; (e) single-channel serpentine; (f) multiple-channel (triple) serpentine
Figure 3. Comparison between experimental and numerical stress–strain curves from the uniaxial  tensile test in the rolling direction (stainless steel SS304)
Figure 4. Example of a bipolar plate manufactured by forming, indicating both the straight and the  U-bend channel sections: a BPP with an interdigitated flow field for reactant gases and a serpentine  flow field for the coolant fluid on the opposite side
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