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Quantitative detection of anodic oxygen evolution on solid state sintered silicon carbide under near ECM conditions

 
: Schneider, Michael; Simunkova, Lenka; Junker, Niels; Michaelis, Alexander

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Journal of solid state electrochemistry 24 (2020), Nr.1, S.207-215
ISSN: 1432-8488
ISSN: 1433-0768
Englisch
Zeitschriftenaufsatz
Fraunhofer IKTS ()
ECM; solid-state sintered (SiC)

Abstract
The present work examined the gas evolution on a solid-state sintered silicon carbide material (EKasic®D) at high anodic potentials (up to 120 V vs Ag/AgCl). By using the amperometric detection as well as the method of oxygen quenching the part of anodic evolved oxygen could be determined for 75-95% of the total amount of consumed charge. The minor part of the total charge is consumed by oxide film formation (passive range) or material dissolution (transpassive range).

: http://publica.fraunhofer.de/dokumente/N-574372.html