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Enhancing coking resistance of Ni/YSZ electrodes: In situ characterization, mechanism research, and surface engineering
Yue, Wangxu; Li, Yifeng; Zheng, Yun; Wu, Tong; Zhao, Chenhuan; Zhao, Jia; Geng, Ga; Zhang, Wenqiang; Chen, Jing; Zhu, Jianxin; Yu, Bo
2019-08-01
Source PublicationNANO ENERGY
ISSN2211-2855
Volume62Pages:64-78
AbstractOwing to their high efficiency and low emission, solid oxide fuel cells (SOFCs) are promising devices that directly convert various hydrocarbon fuels into electric power and chemical materials through catalytic oxidation. However, the broad and large-scale implementation of the technology is hindered by anode coking, which distinctively weakens electrochemical catalytic oxidation in anodes and causes serious passivation issues and even the failure of SOFC systems. Since surface coke can occur in a few seconds and within several nanometers of an anode surface, advanced in situ characterization methods and theoretical simulations are crucial to provide valuable insight into the evolution of surface structures and compositions in real time and at high spatial and temporal resolutions in this dynamic process. In this review, we highlighted the recent progress in the fundamental understanding of anode coking and considered the elementary steps, thermodynamics, kinetics and susceptible sites of coking. We also reviewed representative surface engineering approaches that enhance electrode durability under carbon-related atmospheres. Furthermore, the knowledge and methodology introduced in this paper are applicable to industrial operations, which often encounter carbon poisoning issues, including steam reforming of natural gas, styrene production from ethylbenzene, cracking reaction of heavy oil fractions, and solid acid alkylation.
Department环境水质学国家重点实验室
KeywordSolid oxide fuel cells Energy conversion Anode coking In situ characterizations Surface modification
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42648
Collection环境水质学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, 18 Shuangqing Rd, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Tsinghua Univ, Collaborat Innovat Ctr Adv Nucl Energy Technol, Inst Nucl & New Energy Technol INET, 30 Shuangqing Rd, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Yue, Wangxu,Li, Yifeng,Zheng, Yun,et al. Enhancing coking resistance of Ni/YSZ electrodes: In situ characterization, mechanism research, and surface engineering[J]. NANO ENERGY,2019,62:64-78.
APA Yue, Wangxu.,Li, Yifeng.,Zheng, Yun.,Wu, Tong.,Zhao, Chenhuan.,...&Yu, Bo.(2019).Enhancing coking resistance of Ni/YSZ electrodes: In situ characterization, mechanism research, and surface engineering.NANO ENERGY,62,64-78.
MLA Yue, Wangxu,et al."Enhancing coking resistance of Ni/YSZ electrodes: In situ characterization, mechanism research, and surface engineering".NANO ENERGY 62(2019):64-78.
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