The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 2021
Filed:
Mar. 02, 2017
Praxair Technology, Inc., Danbury, CT (US);
Zigui Lu, East Amherst, NY (US);
Yunxiang Lu, Williamsville, NY (US);
Gervase Maxwell Christie, Amherst, NY (US);
Jonathan A. Lane, Snyder, NY (US);
Pawel J. Plonczak, Amherst, NY (US);
Joseph M. Corpus, Avon, IN (US);
Praxair Technology, Inc., Danbury, CT (US);
Abstract
A method is described of producing a catalyst-containing composite oxygen ion membrane and a catalyst-containing composite oxygen ion membrane in which a porous fuel oxidation layer and a dense separation layer and optionally, a porous surface exchange layer are formed on a porous support from mixtures of (LnA)CrBOand a doped zirconia. Adding certain catalyst metals into the fuel oxidation layer not only enhances the initial oxygen flux, but also reduces the degradation rate of the oxygen flux over long-term operation. One of the possible reasons for the improved flux and stability is that the addition of the catalyst metal reduces the chemical reaction between the (LnA)CrBOand the zirconia phases during membrane fabrication and operation, as indicated by the X-ray diffraction results.