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Ultra-fast fabrication of anode-supported solid oxide fuel cells via microwave-assisted sintering technology
- Title
- Ultra-fast fabrication of anode-supported solid oxide fuel cells via microwave-assisted sintering technology
- Authors
- Kim, Kyeong Joon; Park, Jeong Hwa; Lee, Kang Taek
- DGIST Authors
- Kim, Kyeong Joon; Park, Jeong Hwa; Lee, Kang Taek
- Issue Date
- 2020-08
- Citation
- Korean Journal of Chemical Engineering, 37(8), 1436-1439
- Type
- Article
- Article Type
- Article
- Author Keywords
- Solid Oxide Fuel Cells; Microwave-assisted Sintering; Anode Support; Ultra-fast Fabrication; Electrochemical Performance
- Keywords
- TEMPERATURE; PERFORMANCE; RESISTANCE; EVOLUTION
- ISSN
- 0256-1115
- Abstract
- We demonstrate ultra-fast fabrication of anode-supported solid oxide fuel cells (SOFCs) using microwave-assisted sintering technology. Due to the nature of microwaves that transfers heat directly into the material, the SOFC sintering process was completed within 8 h, ∼ six times faster compared to a conventional sintering process (∼47 h). Despite extremely rapid processing time, the microstructure of the SOFC fabricated by microwave-assisted sintering (M-SOFC) was almost identical to that of the conventionally sintered SOFC. Moreover, the electrochemical performance of the M-SOFC at 750 °C was 0.52 W/cm2 in peak power density, which is even higher than that of the conventionally sintered sample (0.49W/cm2). Thus, our results demonstrate that the ultra-fast microwave-assisted sintering process is a highly effective and practically promising technology for fabricating high performance SOFCs. © 2020, The Korean Institute of Chemical Engineers.
- URI
- http://hdl.handle.net/20.500.11750/12397
- DOI
- 10.1007/s11814-020-0578-2
- Publisher
- Springer
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