Premium
Synthesis of CoO/Ni Composite Powders for Molten Carbonate Fuel Cells
Author(s) -
Fukui Takehisa,
Okawa Hajime,
Hotta Tadashi,
Naito Makio,
Yokoyama Toyokazu
Publication year - 2001
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.2001.tb00639.x
Subject(s) - non blocking i/o , nickel , oxide , materials science , composite number , carbonate , nickel oxide , cobalt oxide , cathode , chemical engineering , cobalt , molten salt , layer (electronics) , inorganic chemistry , metallurgy , chemistry , composite material , catalysis , biochemistry , engineering
CoO/Ni composite particles were prepared by the advanced mechanical‐coating method called Mechanofusion™. These composite particles were composed of nickel particles uniformly covered with fine CoO particles. A new cathode structure for molten carbonate fuel cells (MCFCs), where the NiO core was coated with an outer layer of lithiated cobalt and nickel solid‐solution oxide (Li(Co,Ni) oxide), was formed by oxidation and lithiation using these CoO/Ni composite particles. The solubility of nickel in this Li(Co,Ni) oxide layer into carbonate melt decreased to two‐thirds of that of NiO when used as a cathode for MCFCs.