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- CeO2 코팅을 통한 Cu 입자의 입성장 억제 효과에 관한 연구
- 유희준, 문지웅, 오유근, 문주호, 황해진
- Effect of CeO2 Coating on the Grain Growth of Cu Particles
- Hee-Jun Yoo, Ji-Woong Moon, You Oh, Jooho Moon, Hae Hwang
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Journal of Korean Powder Metallurgy Institute 2005;12(6):413-421
DOI: https://doi.org/10.4150/KPMI.2005.12.6.413
1요업(세라믹)기술원, 연세대학교 세라믹공학과
2요업(세라믹)기술원
3요업(세라믹)기술원
4연세대학교 세라믹공학과
5인하대학교 신소재공학부
1Korea Institute of Ceramic Engineering and Technology, Department of Ceramic Engineering, Yonsei University
2Korea Institute of Ceramic Engineering and Technology
3Korea Institute of Ceramic Engineering and Technology
4Department of Ceramic Engineering, Yonsei University
5School of Materias Science and Engineering, Inha University
2요업(세라믹)기술원
3요업(세라믹)기술원
4연세대학교 세라믹공학과
5인하대학교 신소재공학부
1Korea Institute of Ceramic Engineering and Technology, Department of Ceramic Engineering, Yonsei University
2Korea Institute of Ceramic Engineering and Technology
3Korea Institute of Ceramic Engineering and Technology
4Department of Ceramic Engineering, Yonsei University
5School of Materias Science and Engineering, Inha University
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Abstract
Copper is able to work as a current collector under wide range of hydrocarbon fuels without coking in Solid oxide fuel cells (SOFCs). The application of copper in SOFC is limited due to its low melting point, which result in coarsening the copper particle. This work focuses on the sintering of copper powder with ceria coating layer. Ceria-coated powder was prepared by thermal decomposition of urea in Ce(NO_3)_3cdot6H_2O solution, which containing CuO core particles. The ceria-coated powder was characterized by XRD, ICP, and SEM. The thermal stability of the ceria-coated copper in fuel atmosphere (H_2) was observed by SEM. It was found that the ceria coating layer could effectively hinder the grain growth of the copper particles.
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