[Figure 3] Comparison between conventional catalysts and the single atom 'All-in-one' catalyst strategy for anion exchange membrane (AEM) water electrolysis. (IMAGE)
Caption
(Left) In conventional anion exchange membrane (AEM) water electrolysis systems, distinct catalysts are required at the anode and cathode to drive the hydrogen and oxygen evolution reactions, respectively. This increases system complexity, precious metal consumption, and manufacturing costs. In addition, the use of binders often results in performance degradation under long-term operation. (Right) In contrast, the single-atom 'All-in-one' catalyst developed in this work enables both anode and cathode reactions with a single catalyst, simplifying the electrode architecture while simultaneously reducing precious metal usage and fabrication costs, while maintaining stable performance through binder-free operation over extended periods.
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Korea Institute of Science and Technology
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