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Polymer electrolyte membrane (PEM) water electrolysis generates ‘green’ hydrogen when conducted with electricity from renewable - but fluctuating - sources like wind or solar photovoltaic. Unfortunately, the long-term stability of the electrolyzer performance is still not fully understood under these input power profiles. In this study, we contrast the degradation behavior of our PEM water electrolysis...
Two potential polymer membranes, Polyactive® and PVAm/PVA are integrated into a cascaded membrane system used for a 600 MW (gross) reference power plant, respectively. Considering a real flue gas composition for the simulation, the influences of membrane working temperature, dewatering process and pressure drop in heat exchangers on the whole system efficiency are explored. Energetic and economic...
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