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US 12,569,831 B2Granted
Methane-reforming catalyst and method for producing same
AssigneeLG Chem, Ltd.
InventorsSuji Kim, Jun Yeon Cho, Jun Seon Choi, Jae Soon Choi, Sangjin Kim, Sojin Kim
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Abstract
The catalyst for methane reformation according to an exemplary embodiment of the present application consists of a porous metal support; and a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1: Sr1-xAxTi1-yByO3-δ [Chemical Formula 1] wherein all the variables are described herein.
Claims17
A catalyst for methane reformation, consisting of:
- a porous metal support;
- and
- a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1,
- wherein the porous metal support comprises NiFeCrAl or NiCrAl:
- Sr1-xAxTi1-yByO3-δ [Chemical Formula 1]
- wherein, in Chemical Formula 1,
- A is Y, La or Ba,
- B is Ni, Co, Fe, Mn, Cr, Mo, Ru or Rh,
- x is a real number of 0 or more and less than 1,
- y is a real number of more than 0 and less than 0.5, and
- δ is a real number of more than 0 and less than 1.
8 more elements
A catalyst comprising:
- a porous metal support;
- and
- a metal oxide catalyst supported on the porous metal support,
- wherein the porous metal support comprises NiFeCrAl or NiCrAl, and
- wherein a coefficient of thermal expansion value of the metal oxide catalyst is 84% to 100% of a coefficient of thermal expansion value of the porous metal support at a temperature of 600° C. or more.
2 more elements
A method for producing a catalyst for methane reformation, the method comprising:
- preparing a solution comprising a precursor of a perovskite-based catalyst component represented by Chemical Formula 1;
- coating a porous metal support with the solution;
- and
- performing drying and firing,
- wherein the porous metal support comprises NiFeCrAl or NiCrAl:
- Sr1-xAxTi1-yByO3-δ [Chemical Formula 1]
- wherein, in Chemical Formula 1,
- A is Y, La or Ba,
- B is Ni, Co, Fe, Mn, Cr, Mo, Ru or Rh,
- x is a real number of 0 or more and less than 1,
- y is a real number of more than 0 and less than 0.5, and
- δ is a real number of more than 0 and less than 1.
9 more elements
Dependencies are inferred from the claim text.