With the growing hydrogen economy, proton exchange membrane (PEM) fuel cells are the subject of ongoing innovation, especially in terms of materials development. Dominant incumbent materials are seen for certain components, but alternative competitive options are emerging, and the technology landscape is beginning to shift. Alongside coverage of growing component demand, supply chain analysis, and assessment of key technology trends, IDTechEx forecasts the materials market for PEM fuel cells to exceed a value of US$8 billion by 2034.

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