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Exploring a novel ceramic (Ti,W)(3)SiC2 for interconnect of intermediate temperature solid oxide fuel cell
Zheng, Lili1,2; Hua, Qingsong1; Li, Xichao2,3; Li, Meishuan2; Qian, Yuhai2; Xu, Jingjun2; Dai, Zuoqiang1; Zhang, Hongxin1; Zhang, Tiezhu4; Wu, Junwei5
2018-04-12
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
卷号43期号:15页码:7483-7491
摘要A solid solution (Ti,W)(3)SiC2 possessing good oxidation resistance and low area-specific resistance (ASR) after oxidation has been synthesized by an in-situ hot pressing process. The oxidation rate constant at 800 degrees C in air is 6.29 x 10(-14) g(2) cm(-4) s(-1) for (Ti,W)(3)SiC2. The formed single-layer oxide is composed of W doped ruffle TiO2 and amorphous SiO2. SiO2 is evenly inlaid in the communicative body frame of TiO2. W doped in TiO2 mainly exists as W. W doping not only hinders the outward diffusion of Ti by decreasing the concentration of native Ti interstitials in TiO2, but also restrains the inward diffusion of oxygen by decreasing the concentration of O vacancies. Furthermore, W dopant in TiO2 enhances the electrical conductivity of TiO2 by increasing the concentration of semi-free electron. Therefore, the low ASR of (Ti,W)(3)SiC2 after oxidation owes to high electrical conductivity of TiO2 as well as the reduced thickness of oxide scale. All the results render (Ti1-xWx)(3)SiC2 promising as interconnects for the intermediate temperature solid oxide fuel cell. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Ti3sic2 w Doping Interconnect Oxidation Resistance Area-specific Resistance
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2018.02.162
关键词[WOS]FERRITIC STAINLESS-STEEL ; OXIDATION BEHAVIOR ; METALLIC INTERCONNECT ; SOFC INTERCONNECT ; SEMICONDUCTING PROPERTIES ; TITANIUM-DIOXIDE ; DEFECT CHEMISTRY ; DOPED TI3SIC2 ; DEGREES-C ; ALLOY
收录类别SCI
语种英语
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels
项目资助者National Science Foundation of China(51571205) ; National Key Research and Development Program of China(2017YFB0102004) ; Shandong Province Key Research and Development Program(2017CXGC0502) ; Qingdao postdoctoral research project ; Scientific Research Start-up Fund of Qingdao University(41117010089)
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000430519600030
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/11476
专题中国科学院青岛生物能源与过程研究所
通讯作者Zheng, Lili; Li, Xichao
作者单位1.Qingdao Univ, Coll Mech & Elect Engn, Natl Engn Res Ctr Intelligent Elect Vehicle Power, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
4.Shandong Univ Technol, Zibo 255000, Peoples R China
5.Harbin Inst Technol Shenzhen, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
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GB/T 7714
Zheng, Lili,Hua, Qingsong,Li, Xichao,et al. Exploring a novel ceramic (Ti,W)(3)SiC2 for interconnect of intermediate temperature solid oxide fuel cell[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2018,43(15):7483-7491.
APA Zheng, Lili.,Hua, Qingsong.,Li, Xichao.,Li, Meishuan.,Qian, Yuhai.,...&Wu, Junwei.(2018).Exploring a novel ceramic (Ti,W)(3)SiC2 for interconnect of intermediate temperature solid oxide fuel cell.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,43(15),7483-7491.
MLA Zheng, Lili,et al."Exploring a novel ceramic (Ti,W)(3)SiC2 for interconnect of intermediate temperature solid oxide fuel cell".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 43.15(2018):7483-7491.
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