2024
DOI: 10.1002/celc.202300828
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Poisoning Mechanism of the CO and H2S Mixture on the Anode of Polymer Electrolyte Membrane Fuel Cell

Sunjin Park,
Hyeongkyun Oh,
Hansung Kim

Abstract: Despite the coexistence of CO and H2S in reformed hydrogen, studies on the interaction between impurities are lacking. In this study, the co‐poisoning effect of CO and H2S on a polymer electrolyte membrane fuel cell (PEMFC) is systematically investigated using a hydrogen reference electrode inserted into a membrane electrode assembly (MEA). Notably, when CO and H2S are present simultaneously, the poisoning rate is accelerated and is higher than the simple sum of the poisoning by the individual gases, suggestin… Show more

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