Calcium ruthenate composition of matter and calcium ruthenate catalysts
AssigneeToyota Research Institute, Inc.
InventorsJoseph Harold Montoya, Muratahan Aykol
Life of this patent
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Abstract
A calcium ruthenate composition of matter includes a compound of calcium, ruthenium and oxygen with a chemical formula of CaaRubOc and with ‘a’ greater than or equal to 2.75 and less than or equal to 3.25, ‘b’ greater than or equal to 0.75 and less than or equal to 1.25, and ‘c’ greater than or equal to 5.75 and less than or equal to 6.25. The CaaRubOc is an oxygen evolution reaction catalyst, an oxygen reduction reaction catalyst, and/or a catalyst for the hydrolysis of a hydrogen containing compound.
Claims20
A calcium ruthenate composition of matter comprising:
- a compound of calcium, ruthenium and oxygen with a chemical formula consisting of CaaRubOc, wherein:
- a is greater than or equal to 2.5 and less than or equal to 3.5;
- b is greater than or equal to 0.5 and less than or equal to 1.5;
- and
- c is greater than or equal to 5.5 and less than or equal to 6.5.
A catalyst comprising:
- an amorphous compound of calcium, ruthenium and oxygen with a chemical formula of CaaRubOc, wherein:
- a is greater than or equal to 2.5 and less than or equal to 3.5;
- b is greater than or equal to 0.5 and less than or equal to 1.5;
- and
- c is greater than or equal to 5.5 and less than or equal to 6.5.
A catalyst comprising:
- a catalyst support and nanoparticles of a compound of calcium, ruthenium and oxygen disposed on a surface of the catalyst support, wherein the nanoparticles are bonded to a surface of the catalyst support and have a chemical formula of CaaRubOc with ‘a’ greater than or equal to 2.5 and less than or equal to 3.5, ‘b’ greater than or equal to 0.5 and less than or equal to 1.5, and ‘c’ greater than or equal to 5.5 and less than or equal to 6.5.
Dependencies are inferred from the claim text.