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A Step Forward: Hydrogen Production on Cobalt Molybdenum Sulfide Electrocatalyst in Anion Exchange Membrane Water Electrolyzer

Abstract : Cobalt molybdenum sulfide (Co0.5Mo0.5Sx) was evaluated, as an alternative cathode catalyst for hydrogen large scale production in an anion exchange membrane water electrolyzer (AEMWE). Performance testing in a Co0.5Mo0.5Sx//Ir single cell fed with 0.1 mol/L KOH exhibited the best activity reported to date for transition metal sulfide cathodes in alkaline media. The aforementioned cell presented good stability during 40 h of operation at 2 V; in addition, it has most of its current density degradation recovered in the beginning of the subsequent 10 h interval.
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https://hal-cea.archives-ouvertes.fr/cea-03822512
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Submitted on : Thursday, October 20, 2022 - 1:27:57 PM
Last modification on : Friday, October 21, 2022 - 4:03:03 AM

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Carlos Inocêncio, Frederic Fouda-Onana, Julie Rousseau, Nadia Guignard, Teko Napporn, et al.. A Step Forward: Hydrogen Production on Cobalt Molybdenum Sulfide Electrocatalyst in Anion Exchange Membrane Water Electrolyzer. ACS Applied Energy Materials, 2022, https://doi.org/10.1021/acsaem.2c02270. ⟨10.1021/acsaem.2c02270⟩. ⟨cea-03822512⟩

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