Thieu, Cam-Anh Yang, Sungeun Ji, Ho-Il Kim, Hyoungchul Yoon, Kyung Joong Lee, Jong-Ho Son, Ji-Won 2024-01-19T18:00:59Z 2024-01-19T18:00:59Z 2021-09-05 2020-04 0926-3373 https://pubs.kist.re.kr/handle/201004/118815 Pd, Ru, and Cu secondary catalysts were incorporated into the nickel-yttria-stabilized zirconia nanostructured-anode functional layer (nano-AFL) of solid oxide fuel cells (SOFCs) by a combination of pulsed-laser-deposition and sputtering. The activity of these catalysts for direct internal steam reforming (DISR) of n-butane at the SOFC unit cell level were investigated at low temperatures (500-600 degrees C) by comparing the electrochemical performance among the Ref-cell (the cell without catalyst at the nano-AFL) and Pd-, Ru-, and Cu-cell (the cells with Pd-, Ru- and Cu- incorporated at the nano-AFL). The steam-to-carbon ratio (SCR) and the operating temperature were varied and the effect on DISR of n-butane in the Ref-, Pd-, Ru-, and Cu-cell were systematically studied. Secondary catalyst incorporation appears to enhance the electrochemical reaction and thermochemical reactions, such as steam reforming and water-gas-shift reactions, which results in the cell performance improvement at all tested conditions in comparison with that of the Ref-cell. English ELSEVIER NI CATALYSTS DIRECT OXIDATION TEMPERATURE ANODE PERFORMANCE METHANE SOFC ELECTROLYTE DEPOSITION CHALLENGES Effect of secondary metal catalysts on butane internal steam reforming operation of thin-film solid oxide fuel cells at 500-600 degrees C Article 10.1016/j.apcatb.2019.118349 1 APPLIED CATALYSIS B-ENVIRONMENTAL, v.263 APPLIED CATALYSIS B-ENVIRONMENTAL 263 scie scopus 000510526000061 2-s2.0-85076206475 Chemistry, Physical Engineering, Environmental Engineering, Chemical Chemistry Engineering Article NI CATALYSTS DIRECT OXIDATION TEMPERATURE ANODE PERFORMANCE METHANE SOFC ELECTROLYTE DEPOSITION CHALLENGES Multiscale-architectured thin-film-based solid oxide fuel cells Fuel flexibility Direct internal steam reforming of n-butane Secondary metal catalyst Sputtering deposition