Fuel cells active layers realisation by printing processes

Abstract : In a context of fossil fuel shortage and hydrocarbon emission reduction, fuel cells are a promising solution for energy production. However, the cost of the energy they produce remains too expensive to be competitive and the conventional manufacturing processes used limit the scaling up of the production. The core of Proton Exchange Membrane Fuel Cells (PEMFCs) is a stack composed of five constituents, in which the proton exchange membrane and the two gas diffusion layers have potential for being can be considered as used a a printing substrates, and the two catalyst layers can be printed by continuous printing processes.This work demonstrated the relevance of the printing process called flexography for manufacturing fuel cell components. It offers allows larger production with low waste of expensive elements. Despite of the poor printability of the both chosen substrates, the achieved catalyst layers printed by flexography reached similar electrochemical properties than those made by conventional processes.
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Chloé Bois. Fuel cells active layers realisation by printing processes. Other. Université de Grenoble, 2012. English. ⟨NNT : 2012GRENI076⟩. ⟨tel-00844403⟩

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