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Corrosion behavior of pre-oxidized Ni-Ti alloys in eutectic (Li, K)2CO3 mixture at 650 °C

Corrosion behavior of pre-oxidized Ni-Ti alloys in eutectic (Li, K)2CO3 mixture at 650 °C JOURNAL OF MATERIALS SCIENCE L ETTERS 21, 2002, 907 – 909 Corrosion behavior of pre-oxidized Ni-Ti alloys in eutectic (Li, K) CO 2 3 mixture at 650 C C. L. ZENG, T. ZHOU, W. T. WU State Key Laboratory for Corrosion and Protection, Institute of Metal Research, The Chinese Academy of Sciences, Wencui Road 62, Shenyang 110016, People’s Republic of China E-mail: chaoliu@mail.sy.ln.cn Molten carbonate fuel cells (MCFCs) are under devel- titanium to Ni can decrease significantly the growth opment worldwide as the next generation of fuel cell. of external scale on Ni-Ti alloys, especially with high The major materials problems of MCFCs are dissolu- titanium content. However, the two-phase Ni-Ti alloys tion of lithiated NiO cathode in the carbonate melt and (Ni-10Ti and Ni-15Ti) underwent severe internal ox- corrosion of the metal separator plate and the current idation which has the characteristics of “diffusionless collectors. Many attempts have been made to increase type,” and is much faster than expected on the basis of the thermodynamic stability of NiO cathode. Usually diffusion coefficient of oxygen in nickel. Taking into two methods can be used to develop materials with im- account that the cathode of molten carbonate fuel cell proved http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Letters Springer Journals

Corrosion behavior of pre-oxidized Ni-Ti alloys in eutectic (Li, K)2CO3 mixture at 650 °C

Zeng, C.; Zhou, T.; Wu, W.
Journal of Materials Science Letters , Volume 21 (12) – Oct 12, 2004
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References (1)

Publisher
Springer Journals
Copyright
Copyright © 2002 by Kluwer Academic Publishers
Subject
Materials Science; Characterization and Evaluation of Materials; Industrial Chemistry/Chemical Engineering; Polymer Sciences; Classical Mechanics
ISSN
0261-8028
eISSN
1573-4811
DOI
10.1023/A:1016053102137
Publisher site
See Article on Publisher Site

Abstract

JOURNAL OF MATERIALS SCIENCE L ETTERS 21, 2002, 907 – 909 Corrosion behavior of pre-oxidized Ni-Ti alloys in eutectic (Li, K) CO 2 3 mixture at 650 C C. L. ZENG, T. ZHOU, W. T. WU State Key Laboratory for Corrosion and Protection, Institute of Metal Research, The Chinese Academy of Sciences, Wencui Road 62, Shenyang 110016, People’s Republic of China E-mail: chaoliu@mail.sy.ln.cn Molten carbonate fuel cells (MCFCs) are under devel- titanium to Ni can decrease significantly the growth opment worldwide as the next generation of fuel cell. of external scale on Ni-Ti alloys, especially with high The major materials problems of MCFCs are dissolu- titanium content. However, the two-phase Ni-Ti alloys tion of lithiated NiO cathode in the carbonate melt and (Ni-10Ti and Ni-15Ti) underwent severe internal ox- corrosion of the metal separator plate and the current idation which has the characteristics of “diffusionless collectors. Many attempts have been made to increase type,” and is much faster than expected on the basis of the thermodynamic stability of NiO cathode. Usually diffusion coefficient of oxygen in nickel. Taking into two methods can be used to develop materials with im- account that the cathode of molten carbonate fuel cell proved

Journal

Journal of Materials Science Letters – Springer Journals

Published: Oct 12, 2004

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