ESB 소결 조제를 이용한 고체산화물 연료전지용 YSZ 전해질의 초고속 광소결 공정에 관한 연구open accessUltra-Fast Fabrication of YSZ Electrolyte via Flash Light Sintering with ESB Sintering Aid for Solid Oxide Fuel Cells
- Other Titles
- Ultra-Fast Fabrication of YSZ Electrolyte via Flash Light Sintering with ESB Sintering Aid for Solid Oxide Fuel Cells
- Authors
- 임용현; 김영범
- Issue Date
- Feb-2022
- Publisher
- 한국정밀공학회
- Keywords
- Alternative sintering; Flash light sintering; Solid oxide fuel cells; Solid electrolyte; 대체 소결법; 플래시 광소결법; 고체산화물 연료전지; 고체 전해질
- Citation
- 한국정밀공학회지, v.39, no.2, pp.103 - 108
- Indexed
- KCI
- Journal Title
- 한국정밀공학회지
- Volume
- 39
- Number
- 2
- Start Page
- 103
- End Page
- 108
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/139572
- DOI
- 10.7736/JKSPE.021.120
- ISSN
- 1225-9071
- Abstract
- A high temperature sintering process for solid electrolyte is the main cause of the increase in manufacturing costs of SOFCs. In this study, we developed a novel flash light sintering technique as an alternative sintering process of theconventional thermal sintering process. The YSZ electrolyte films were fabricated by conventional screen-printing method and the flash light sintering process and ESB sintering aid were applied to improve the flash light sinterability of the YSZ electrolyte. In the flash light sintering process, the effect of various pulse conditions such as energy density, and pulse interval were investigated and the microstructure, crystallinity, and sintering behavior of the sintered films were analyzed to demonstrate the effectiveness of the flash light sintering process. The flash light sintered YSZ electrolyte layer was used to fabricate the anode-supported SOFCs and its functionality is successfully demonstrated with the high open circuit voltage. The significance of this study includes minimization of the process time from tens of hours to just a few seconds, thus facilitating the commercialization of SOFCs.
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