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The oxidation resistance optimization of titanium carbide/hastelloy (Ni-based alloy) composites applied for intermediate-temperature solid oxide fuel cell interconnects
Qi, Qian1,2; Liu, Yan1; Wang, Lujie1; Huang, Jian1; Xin, Xianshuang1,3; Gai, Linlin1,2; Huang, Zhengren1
2017
Source PublicationJournal of Power Sources
ISSN03787753
Volume359Pages:626-633
AbstractTitanium carbide/hastelloy (TiC/hastelloy) composites are potential candidates for intermediate-temperature solid oxide fuel cell interconnects. In this work, TiC/hastelloy composites with suitable coefficient of thermal expansion are fabricated by in-situ reactive infiltration method, and their properties are optimized by adjusting TiC particle size (dTiC). The oxidation process of TiC/hastelloy composites is comprehensive performance of TiC and Ni-Cr alloy and determined by outward diffusion of Ti and Ni atoms and internal diffusion of O2. The oxidation resistance of composites could be improved by the decrease of dTiCthrough accelerating the formation of continuous and dense TiO2/Cr2O3oxide scale. Moreover, the electrical conductivity of composites at 800 °C for 100 h is 5600–7500 S cm−1and changes little with the prolongation of oxidation time. The decrease of dTiCis favorable for the properties optimization, and composites with 2.16 μm TiC exhibits good integrated properties. © 2017 Elsevier B.V.
DOI10.1016/j.jpowsour.2017.05.114
EI Accession Number20172303749925
EI KeywordsSolid oxide fuel cells (SOFC)
EI Classification Number542.3 Titanium and Alloys - 543.1 Chromium and Alloys - 548.2 Nickel Alloys - 702.2 Fuel Cells - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25666
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.Graduate University of the Chinese Academy of Sciences, Beijing; 100049, China;
3.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
Recommended Citation
GB/T 7714
Qi, Qian,Liu, Yan,Wang, Lujie,et al. The oxidation resistance optimization of titanium carbide/hastelloy (Ni-based alloy) composites applied for intermediate-temperature solid oxide fuel cell interconnects[J]. Journal of Power Sources,2017,359:626-633.
APA Qi, Qian.,Liu, Yan.,Wang, Lujie.,Huang, Jian.,Xin, Xianshuang.,...&Huang, Zhengren.(2017).The oxidation resistance optimization of titanium carbide/hastelloy (Ni-based alloy) composites applied for intermediate-temperature solid oxide fuel cell interconnects.Journal of Power Sources,359,626-633.
MLA Qi, Qian,et al."The oxidation resistance optimization of titanium carbide/hastelloy (Ni-based alloy) composites applied for intermediate-temperature solid oxide fuel cell interconnects".Journal of Power Sources 359(2017):626-633.
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