Ultra-fast fabrication of anode-supported solid oxide fuel cells via microwave-assisted sintering technology

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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, similar to six times faster compared to a conventional sintering process (similar to 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 degrees C was 0.52 W/cm(2)in peak power density, which is even higher than that of the conventionally sintered sample (0.49W/cm(2)). 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.
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Issue Date
2020-08
Language
English
Article Type
Article
Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.37, no.8, pp.1436 - 1439

ISSN
0256-1115
DOI
10.1007/s11814-020-0578-2
URI
http://hdl.handle.net/10203/276394
Appears in Collection
ME-Journal Papers(저널논문)
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