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http://dx.doi.org/10.7316/KHNES.2017.28.5.433

High Temperature Water Electrolysis of Covalently Cross-linked CL-SPEEK/Cs-TSiA/Ceria Composite Membrane  

JUNG, HYEYOUNG (Elchem Tech Co.)
YOON, DAEJIN (Elchem Tech Co.)
CHUNG, JANGHOON (Department of Chemistry, Myongji University)
MOON, SANGBONG (Elchem Tech Co.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.5, 2017 , pp. 433-439 More about this Journal
Abstract
The high temperature performance of PEM type electrolyser at $120^{\circ}C$ based on covalently cross-linked sulfonated poly ether ether ketone (SPEEK) composie membrane was investigated. Ion conductivity and other properties of SPEEK membrane were improved by adding heteropoly acid and Ceria. The membrane electrode assemblies were prepared using commercial PtC and nano-sized $IrRuO_2$ catalyst by electro-spraying and decal process. Voltage efficiency of MEA equipped with SPEEK membrane was slightly better than that of $Nafion^{(R)}$ membrane, due to its higher proton conductivity at high temperature. The cell performance of MEA with CL-SPEEK/Cs-TSiA/Ceria is 1.71 V at $1A/cm^2$ and $120^{\circ}C$.
Keywords
PEMWE; MEA; Sulfonated poly ether ether ketone; Heteropoly acid; Composite membrane;
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