LSM‐YSZ Cathode with Infiltrated Cobalt Oxide and Cerium Oxide Nanoparticles | Zendy

Imanishi N. | Zendy; Ohno R. | Zendy; Murata K. | Zendy; Hirano A. | Zendy; Takeda Y. | Zendy; Yamamoto O. | Zendy; Yamahara K. | Zendy

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LSM‐YSZ Cathode with Infiltrated Cobalt Oxide and Cerium Oxide Nanoparticles

Author(s) -

Imanishi N.,

Ohno R.,

Murata K.,

Hirano A.,

Takeda Y.,

Yamamoto O.,

Yamahara K.

Publication year - 2009

Publication title -

fuel cells

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.485

H-Index - 69

eISSN - 1615-6854

pISSN - 1615-6846

DOI - 10.1002/fuce.200800090

Subject(s) - cathode , cerium oxide , yttria stabilized zirconia , materials science , nanoparticle , oxide , chemical engineering , anode , cobalt oxide , solid oxide fuel cell , cobalt , oxygen , inorganic chemistry , nanotechnology , electrode , cubic zirconia , chemistry , composite material , metallurgy , ceramic , organic chemistry , engineering

To improve the La 0.8 Sr 0.2 MnO 3 (LSM) –8 mol‐%Y 2 O 3 ‐ZrO 2 (YSZ) cathode performance of intermediate temperature solid oxide fuel cells (SOFC), Co 3 O 4 and CeO 2 nanoparticles were infiltrated into the cathode. Co‐infiltration of these oxide particles drastically enhanced the cell performance between 800 and 600 °C. The infiltrated CeO 2 suppressed the aggregation of nanoparticle Co 3 O 4 , resulting in the high catalytic activity of the nanoparticle Co 3 O 4 for oxygen reduction at intermediate temperatures. The anode‐supported SOFC with Co 3 O 4 and CeO 2 co‐infiltrated LSM‐YSZ cathode at 700 °C showed the high specific power density of 0.58 W cm –2 at 0.7 V.

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