CuCo 2 O 4 ‐Gd 0.1 Ce 0.9 O 1.95  as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells | Zendy

Shao Lin | Zendy; Wang Pengxiang | Zendy; Sun Chengzhi | Zendy; Fan Lishuang | Zendy; Zhang Naiqing | Zendy; Sun Kening | Zendy

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CuCo 2 O 4 ‐Gd 0.1 Ce 0.9 O 1.95 as a Potential Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells

Author(s) -

Shao Lin,

Wang Pengxiang,

Sun Chengzhi,

Fan Lishuang,

Zhang Naiqing,

Sun Kening

Publication year - 2017

Publication title -

chemelectrochem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 59

ISSN - 2196-0216

DOI - 10.1002/celc.201600618

Subject(s) - cathode , materials science , composite number , scanning electron microscope , oxide , electrochemistry , thermal expansion , polarization (electrochemistry) , solid oxide fuel cell , analytical chemistry (journal) , chemical engineering , composite material , anode , electrode , metallurgy , chemistry , chromatography , engineering

CuCo 2 O 4 ‐Gd 0.1 Ce 0.9 O 1.95 (GDC) composite was investigated as a potentially promising cathode material for intermediate temperature solid oxide fuel cells (IT‐SOFCs). The CuCo 2 O 4 ‐GDC composite cathodes were characterized via X‐ray diffraction, scanning electron microscopy and thermal expansion. CuCo 2 O 4 ‐GDC composites exhibited a good chemical compatibility and thermal compatibility for each composition. Introduction of the GDC nanoparticles increased the length of TPBs and enhanced the electrochemical activities of the CuCo 2 O 4 ‐GDC composite cathode. The polarization resistance with addition of 60 wt.% of GDC showed the least value of 0.09 Ω cm 2 at 800 °C. The results demonstrated that CuCo 2 O 4 ‐GDC composite would be a promising cathode material for IT‐SOFCs.

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