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.
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Acknowledgement
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT; The Ministry of Science and ICT) (No. NRF-2020R1A2C2010690, NRF-2019M3E6A1103944).
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Kim, K.J., Park, J.H. & Lee, K.T. Ultra-fast fabrication of anode-supported solid oxide fuel cells via microwave-assisted sintering technology. Korean J. Chem. Eng. 37, 1436–1439 (2020). https://doi.org/10.1007/s11814-020-0578-2
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DOI: https://doi.org/10.1007/s11814-020-0578-2