摘要:
A method of preparing a metal-doped oxide, the method including: preparing a precursor solution including a zirconium precursor or cerium precursor, a dopant metal precursor, a solvent, and a chloride salt; and heat-treating the precursor solution to prepare the metal-doped oxide.Also an oxide including: a metal-doped zirconia or metal-doped ceria; and
摘要:
A solid oxide electrolyte including an oxygen ion conducting solid solution, wherein the solid solution is represented by Formula 1 below: Zr1-x-y-zMaxMbyMczO2-δ Formula 1 wherein x is greater than 0 and less than about 0.3, y is greater than 0 and less than about 0.1, z is greater than 0 and less than about 0.1, δ is selected to make the solid solution ionically neutral, Ma, Mb, and Mc are each independently a metal selected from the group consisting of elements of Groups 3, Groups 5 through 13, and Group 14, and an ionic radius of each of Ma+3, Mb+3, and Mc+3 are different from each other.
摘要:
A cathode material for a fuel cell, the cathode material including a first metal oxide having a perovskite crystal structure, and a second metal oxide including cerium and at least two lanthanide elements, the lanthanide elements having an average ionic radius of about 0.90 to about 1.02 Å.
摘要:
A fuel electrode material, a method of preparing the fuel electrode material and a solid oxide fuel cell including the fuel electrode material. The fuel electrode material includes a metal oxide bound to a surface of particles, the particles including nickel, copper or a combination thereof, wherein the metal oxide is an oxide of a metal element selected from the group consisting of cerium, titanium, silicon, aluminum, zirconium and a combination including at least one of the foregoing.
摘要:
A material for a solid oxide fuel cell, the material including a lanthanum metal oxide having a perovskite-type crystal structure; and a ceria metal oxide, wherein the ceria metal oxide includes at least one material selected from the group consisting of metal oxides represented by Formula 1 below and metal oxides represented by Formula 2: (1-a-b)Ce1-xAxO2-δ+aB2O5+bBO3 Formula 1 Ce1-x-yAxByO2-γ Formula 2 wherein 0≦a≦0.01, 0≦b≦0.02, 0
摘要:
A nano-composite, including: a plurality of secondary particles, each secondary particle including a mixture of nano-size primary particles, wherein the mixture of nano-size primary particles includes particles including a nickel oxide or a copper oxide, and particles including zirconia doped with a trivalent metal element or ceria doped with a trivalent metal element, and wherein the nano-size primary particles define a plurality of nano-pores.
摘要:
A composite anode material for a solid oxide fuel cell (SOFC), an anode for a SOFC including a Ni-containing alloy including Ni and a transition metal other than Ni; and a perovskite metal oxide having a perovskite structure.
摘要:
A material for a solid oxide fuel cell, the material including: a first compound having a perovskite crystal structure, a first ionic conductivity, a first electronic conductivity, and a first thermal expansion coefficient, wherein the first compound is represented by Formula 1 below; and a second compound having a perovskite crystal structure, a second ionic conductivity, a second electronic conductivity, and a second thermal expansion coefficient, BaaSrbCoxFeyZ1-x-yO3-δ, Formula 1 wherein Z is a transition metal element, a lanthanide element, or a combination thereof, a and b satisfy 0.4≦a≦0.6 and 0.4≦b≦0.6, respectively, x and y satisfy 0.6≦x≦0.9 and 0.1≦y≦0.4, respectively, and δ is selected so that the first compound is electrically neutral.
摘要:
A material for a solid oxide fuel cell including a compound of Chemical Formula 1: BaaSrbCoxFeyM1-x−yO3-δ Chemical Formula 1 wherein M represents at least one of a transition metal element or a lanthanide element, a and the b are in a range of 0.4≦a≦0.6 and 0.4≦b≦0.6, respectively, x and y are in a range of 0.6≦x≦0.9 and 0.1≦y≦0.4, respectively, and δ is selected so that the compound of Chemical Formula 1 is electrically neutral.