The market for proton exchange membrane (PEM) fuel cells is growing rapidly, in parallel with the overarching fuel cell electric vehicle market. The technology landscape for these components is set to change in many varied ways over the coming years. Despite dominant incumbent materials for some components, alternatives are emerging with respect to both material innovation and manufacturing processes. With an increased materials demand in terms of both volume and units, key supply chain agreements are being established and strengthened to secure a share of the materials market for PEM fuel cells, that IDTechEx forecast to exceed a value of US$7bn by 2033. A PEM fuel cell consists of a number of well-defined components, integrated together to form a fuel cell stack. The primary components are the bipolar plate (BPP), the gas diffusion layer (GDL), the proton exchange membrane (PEM)…
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