Design of smart MEAs for high-power fuel cells

摘要

The present invention relates to a method of optimizing, designing, manufacturing and assembling various components and layers to produce an optimum MEA. Optimization can generally be achieved by producing a multilayer MEA in which properties such as catalyst composition and morphology, ionomer concentration and hydrophobicity / hydrophilicity are specifically adjusted in each layer. For MEA, the morphology is specifically designed and controlled, with bulk chemical speciation, surface chemical speciation, and / or with certain hydrophobic or hydrophilic and other properties. Optimized for use with various catalysts, including catalysts. The catalyst of the present invention may contain a non-platinum group metal (non-PGM) and / or a platinum group metal (PGM) substance. [Selection diagram] Fig. 1