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Analytical Chemistry

Clemson University

CVD graphene

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Studies On Electrochemical Hydrogen Isotope Separation, Liyanage Mayura Sankalpa Silva Dec 2023

Studies On Electrochemical Hydrogen Isotope Separation, Liyanage Mayura Sankalpa Silva

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Graphene-integrated Proton Exchange Membrane (PEM) electrochemical cells have emerged as a novel area of scientific investigation in the realm of hydrogen isotope separation. Chemical Vapor Deposited (CVD) graphene has been especially useful due to its large-scale production capability for scaling-up purposes. The research described in this dissertation explores the role that inadvertent introduction of cations, notably ammonium and copper, during the CVD graphene transfer onto PEM substrates, such as Nafion, might play in affecting hydrogen ion transport and isotope separation in PEM electrochemical cells. An extensive review of existing literature exposed a gap concerning unintentional cation introductions during graphene transfer, …