Research Line 3: Cost-effective hydrogen production

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So far, renewable hydrogen has been developed towards comparatively small-scale (niche) applications as the technology is still too expensive to compete with hydrogen from conventional steam reforming of methane. RL3 therefore aims to pave the way for water electrolysis to scale up to GW scale in combination with a substantial cost reduction. One of the main challenges is the insufficient stability of currently available anion-selective polymer electrolyte membranes, particularly at elevated temperatures needed for sufficient electrolyte conductivity and electrode reaction kinetics. In addition, RL3 aims to substantially improve the economics of the water electrolysis process through either bringing down costs by minimizing the scare metal content in the electrodes, or by the coproduction of other bulk chemicals.

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