Characteristics of Ba(Zr0.1Ce0.7Y0.2)O3-δ nano-powders synthesized by different wet-chemical methods for solid oxide fuel cells

Sung Hwan Min, Jin Goo Lee, Ok Sung Jeon, Myeong Geun Park, Kwang Hyun Ryu, Jae ha Myung, Yong Gun Shul

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Ba(Zr0.1Ce0.7Y0.2)O3-δ nano-particles were prepared by different wet-chemical synthesis, Pechini (BZCY(P)) and co-precipitation (BZCY(C)), respectively. The BZCY(C) powders have a particle size in range of about 50–150 nm, which is smaller than the BZCY(P) powders with about 500–900 nm. Both the BZCY materials show perovskite structures, but there are impurities in the BZCY (P). Moreover, the electrolyte density was higher in the BZCY (C) than the BZCY (P). The single cells with BZCY (C) electrolytes exhibited about 0.23 W cm−2 at 600 °C and about 0.31 W cm−2 at the same temperature were obtained when the anode-functional layer was introduced between the anode and electrolyte. Thus, the BZCY prepared by carbonate-derived co-precipitation method can be more favorable for high-purity and dense electrolytes in the solid oxide fuel cells than the BZCY prepared by Pechini method.

Original languageEnglish
Pages (from-to)433-437
Number of pages5
JournalCeramics International
Issue number1
Publication statusPublished - 2018 Jan

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education ( NRF - 2017R1A6A3A03004416 ), Korea government (MSIP) (No. NRF-2016M1A2A2940138 ), and ( NRF-2015M1A2A2056833 ).

Publisher Copyright:
© 2017 Elsevier Ltd and Techna Group S.r.l.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry


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