Fr. 52.50

Diffusionseigenschaften von Nickel in einer Festoxid-Brennstoffzelle

German · Paperback / Softback

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In dieser Arbeit wurden Thermal Grooving Experimente an Anodenmikrostrukturen, Ni-Polykristallen sowie Ni-Bikristallen durchgeführt und die Korngrenzfurchen mittels eines AFM vermessen. Die Ergebnisse liefern erstmals zuverlässige Werte sowie die komplette Anisotropie der relevanten Materialparameter - der relativen Korngrenzenergien und der Oberflächendiffusionskoeffizienten - von Nickel unter realitätsnahen Betriebsbedingungen einer SOFC-Anode. In this work, thermal grooving experiments were performed on anode microstructures, Ni polycrystals and Ni bicrystals. The grain boundary grooves were measured by means of an AFM. The results provide for the first time reliable values as well as the complete anisotropy of the relevant material parameters - the relative grain boundary energies and the surface diffusion coefficients - of nickel under realistic operating conditions of an SOFC anode.

Product details

Authors Patricia Haremski
Publisher KIT Scientific Publishing
 
Languages German
Product format Paperback / Softback
Released 01.01.2022
 
EAN 9783731511243
ISBN 978-3-7315-1124-3
No. of pages 164
Weight 310 g
Illustrations graph. Darst.
Series Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie
Subject Natural sciences, medicine, IT, technology > Chemistry > Physical chemistry

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