Characterization of solid oxide fuel cell electrodes by impedance spectroscopy and I–V characteristics

Autor:	J.P.P. Huijsmans, F.P.F. van Berkel, F.H. van Heuveln
Rok vydání:	1994
Předmět:	Oxide Analytical chemistry General Chemistry Electrolyte Condensed Matter Physics Electrochemistry Cathode Anode Dielectric spectroscopy law.invention chemistry.chemical_compound Chemical engineering chemistry law Electrode General Materials Science Solid oxide fuel cell
Zdroj:	Solid State Ionics. 72:240-247
ISSN:	0167-2738
DOI:	10.1016/0167-2738(94)90153-8
Popis:	Impedance spectroscopy has been used to optimize the three-phase boundaries of porous electrodes in solid oxide fuel cells. The three-phase boundaries (TPBs) are the sites where the electrode reaction occurs and their nature is determined by the microstructure of the electrode. The three-phase boundary length (TPBL) of the cathode can be optimized by using small powder particles and a high loading of the particles on the electrolyte surface. The TPBL of the Ni/8YSZ anode can be optimized by using small Ni particles and a high 8YSZ/Ni-particle size ratio.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ec4711973c8f934d592e901ddf64cb79 https://doi.org/10.1016/0167-2738(94)90153-8 Zobrazit plný text záznamu