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Structural and Electrical Analysis of Microwave Processed YSZ Electrolytes for SOFC Prepared by Co-precipitation Method

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Abstract

The aim of the present study is to investigate the effect of microwave energy on the structural and electrical properties of yttria-stabilized zirconia (YSZ) electrolyte for solid oxide fuel cells (SOFC). Five different compositions of Zr1−x Y x O2−x/2 (x = 0.06–0.14) were prepared by a co-precipitation method and were then sintered by microwave as well as conventional heating at 1400°C for 20 min and 240 min, respectively. The structural and electrical properties of the samples sintered by both the methods were compared. The x-ray diffraction (XRD) results revealed that YSZ samples sintered by both methods had either a tetragonal crystal structure or a cubic structure depending on its composition. Almost the same degree of densification as well as conductivity of same order was found from impedance analysis for both microwave- and conventionally sintered YSZ products, which showed that microwave sintering is the better alternative for material processing in terms of saving energy and time without compromising the product quality.

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Acknowledgement

We wish to acknowledge the Institute Instrumentation Centre, Indian Institute of Technology, Roorkee for characterization of materials by XRD.

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Authors and Affiliations

  1. Department of Applied Sciences and Humanities, D.A.V Institute of Engineering and Technology, Jalandhar, 144003, India

    Kanchan L. Singh & Payal Sharma

  2. IKG Punjab Technical University, Kapurthala, 144601, India

    Payal Sharma & Anirudh P. Singh

  3. Shaheed Bhagat Singh College of Engineering and Technology, Ferozepur, 152004, India

    Ajay Kumar

  4. Department of Physics, University of the West Indies, St Augustine Campus, Debe, Trinidad and Tobago

    S. S. Sekhon

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  1. Kanchan L. Singh
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  2. Payal Sharma
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  3. Anirudh P. Singh
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  5. S. S. Sekhon
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Correspondence to Kanchan L. Singh.

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Singh, K.L., Sharma, P., Singh, A.P. et al. Structural and Electrical Analysis of Microwave Processed YSZ Electrolytes for SOFC Prepared by Co-precipitation Method. JOM 69, 2448–2452 (2017). https://doi.org/10.1007/s11837-016-2145-1

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  • DOI: https://doi.org/10.1007/s11837-016-2145-1

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