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Etude et développement de plaques composites bipolaires pour piles à combustible

Abstract : The objective of this work is to design carbon polymer composites for bipolar plates, with high and homogeneous electrical and mechanical properties. A method was designed in order to analyze the electrical conductivity homogeneity of the bipolar plates. Several designs of experiments were formulated after optimization of the most influencing formulation parameters on the use properties. This first step enhanced the use properties of the resulting materials, though insufficiently. The plates characterization showed highly heterogeneous and anisotropic use properties. The fabrication process conditions optimization (thermosets formulations) and the addition of an annealing step (thermoplastic formulations) then improved significantly the use properties and their homogeneity.
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Submitted on : Wednesday, March 19, 2014 - 3:45:19 PM
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François Gloaguen. Etude et développement de plaques composites bipolaires pour piles à combustible. Autre. Université de Grenoble, 2013. Français. ⟨NNT : 2013GRENI025⟩. ⟨tel-00961189⟩

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