Patent classifications
B01J2523/821
Graded catalytic-protective layer for an efficient and stable water-splitting photocathode
The present disclosure relates to a composition that includes, in order: a first layer that includes MA.sub.w; a second layer that includes MO.sub.yA.sub.z; and a third layer that includes MO.sub.x, where M includes a transition metal, A includes at least one of sulfur, selenium, and/or tellurium, w is between greater than zero and less than or equal to five, x is between greater than zero and less than or equal to five, y is between greater than zero and less than or equal to five, and z is between greater than zero and less than or equal to five. In some embodiments of the present disclosure, the transition metal may include at least one of molybdenum and/or tungsten. In some embodiments of the present disclosure, A may be sulfur.
Graded catalytic-protective layer for an efficient and stable water-splitting photocathode
The present disclosure relates to a composition that includes, in order: a first layer that includes MA.sub.w; a second layer that includes MO.sub.yA.sub.z; and a third layer that includes MO.sub.x, where M includes a transition metal, A includes at least one of sulfur, selenium, and/or tellurium, w is between greater than zero and less than or equal to five, x is between greater than zero and less than or equal to five, y is between greater than zero and less than or equal to five, and z is between greater than zero and less than or equal to five. In some embodiments of the present disclosure, the transition metal may include at least one of molybdenum and/or tungsten. In some embodiments of the present disclosure, A may be sulfur.
METAL-DECORATED BARIUM CALCIUM ALUMINUM OXIDE CATALYST FOR NH3 SYNTHESIS AND CRACKING AND METHODS OF FORMING THE SAME
Catalysts for NH.sub.3 cracking and/or synthesis generally include barium calcium aluminum oxide compounds decorated with ruthenium, cobalt, or both. These catalysts can be bonded to a metal structure, which improves thermal conductivity and gas conductance.
METAL-DECORATED BARIUM CALCIUM ALUMINUM OXIDE CATALYST FOR NH3 SYNTHESIS AND CRACKING AND METHODS OF FORMING THE SAME
Catalysts for NH.sub.3 cracking and/or synthesis generally include barium calcium aluminum oxide compounds decorated with ruthenium, cobalt, or both. These catalysts can be bonded to a metal structure, which improves thermal conductivity and gas conductance.
Methane-Reforming Catalyst and Method for Producing Same
The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1:
Sr.sub.1-xA.sub.xTi.sub.1-yB.sub.yO.sub.3-?[Chemical Formula 1] wherein all the variables are described herein.
Methane-Reforming Catalyst and Method for Producing Same
The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1:
Sr.sub.1-xA.sub.xTi.sub.1-yB.sub.yO.sub.3-?[Chemical Formula 1] wherein all the variables are described herein.
METAL-DECORATED BARIUM CALCIUM ALUMINUM OXIDE AND RELATED MATERIALS FOR NH3 CATALYSIS
This invention relates to a supported catalyst for synthesizing ammonia (NH.sub.3) from nitrogen gas (N.sub.2) and hydrogen gas (H.sub.2), method of making the support, and methods of decorating the support with the catalyst.
METAL-DECORATED BARIUM CALCIUM ALUMINUM OXIDE AND RELATED MATERIALS FOR NH3 CATALYSIS
This invention relates to a supported catalyst for synthesizing ammonia (NH.sub.3) from nitrogen gas (N.sub.2) and hydrogen gas (H.sub.2), method of making the support, and methods of decorating the support with the catalyst.
SYSTEMS AND METHODS FOR PROCESSING AMMONIA
The present disclosure provides methods for fabricating catalysts for ammonia decomposition. The method may comprise (a) subjecting a catalyst support to one or more physical or chemical processes to optimize one or more pores, morphologies, and/or surface chemistry or property of the catalyst support; (b) depositing a composite support material on the catalyst support, wherein the composite support material comprises a morphology or surface chemistry or property; and (c) depositing one or more active metals on at least one of the composite support material and the catalyst support, wherein the one or more active metals comprise one or more nanoparticles configured to conform to the morphology of the composite support material and/or catalyst support material, thereby optimizing one or more active sites on the nanoparticles for ammonia processing.
HABER-BOSCH CATALYST COMPRISING AN ANION-VACANT LATTICE
A composition for catalysis of a Haber-Bosch process to produce ammonia; a process employing the composition and an anion vacant lattice for use in the process.
The composition comprises an anion vacant lattice and a Haber-Bosch catalyst (e.g. Fe or Ru). Suitable anion vacant lattices include oxynitrides and oxides, which may be doped or undoped, including
Ce.sub.aM.sub.bO.sub.2-xN.sub.y(Formula III)
M is one or more elements with a valence lower than 4. a and b are independently in the range 0.05 to 0.95, with the proviso that a and b together sum to 1 (approximately). X is greater than 0 and less than 2. Y is greater than zero and less than or equal to X.