Two-phase hydrogen permeation membrane
US6235417A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Apr 30, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A two-phase proton and electron conductor is described which comprises (a) a proton conductive oxides represented by the formula: EQU ABO.sub.3 where A is selected from the group consisting of Ba, Ca, Mg and Sr and B is Ce.sub.1-x M.sub.x or Zr.sub.1-x M.sub.x, where x has a value greater than zero and less than one and M is an element selected from the group consisting of Y, Yb, In, Gd, Nd, Eu, Sm and Tb, in combination with (b) an electron conductor comprising palladium. The palladium may be coated on particles of the oxide in the form of an oxide powder. This novel two-phase conductor is particularly useful as a mixed hydrogen ion and electronic conducting membrane for separating hydrogen from a hydrogen-containing gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.