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Synthesis and Characterization of Covalently Cross-Linked SPEEK/Cs-substituted MoSiA/Ceria Composite Membranes with MoSiA for Water Electrolysis
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 Title & Authors
Synthesis and Characterization of Covalently Cross-Linked SPEEK/Cs-substituted MoSiA/Ceria Composite Membranes with MoSiA for Water Electrolysis
SEO, HYUN; SONG, YU-RI; OH, YUN-SUN; MOON, SANG-BONG; CHUNG, JANG-HOON;
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 Abstract
To improve the electrochemical and mechanical characteristics, engineering plastic of the sulfonated polyether ether ketone (SPEEK) as polymer matrix was prepared in the sulfonation reaction of polyether ether ketone (PEEK). The SPEEK organic-inorganic blended composite membranes were prepared by sol-gel casting method. It was loaded with the highly dispersed ceria and cesium-substituted molybdosilicic acid (Cs-MoSiA) and 1,4-diiodobutane which was cross-linking agent contents of . Cs-MoSiA was added to increase proton conductivity. Ceria () was used as a free radical scavenger which degrade the membrane in polymer electrolyte membrane water elctrolysis (PEMWE). In conclusion, CL-SPEEK/Cs-MoSiA/Ceria 1% composite membrane showed high proton conductivity 0.2104 S/cm at which was better than Nafion 117 membrane.
 Keywords
PEMWE;SPEEK;Cs-MoSiA(Cs-substituted MoSiA);Ceria(Cerium(IV) oxide);radical scavenger;
 Language
Korean
 Cited by
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